diff options
author | 2023-07-24 14:37:16 +0200 | |
---|---|---|
committer | 2023-07-24 14:37:16 +0200 | |
commit | 8789304690384d19ad829286560aec5ed0917976 (patch) | |
tree | b157e78e8b6a3f2fb3d0eee6e1aa10d2c16e0204 /subprojects/store-query-viatra/src/main/java/tools | |
parent | decreasing steps in fast fuzz tests (diff) | |
parent | Merge pull request #27 from kris7t/ordered-result-set (diff) | |
download | refinery-8789304690384d19ad829286560aec5ed0917976.tar.gz refinery-8789304690384d19ad829286560aec5ed0917976.tar.zst refinery-8789304690384d19ad829286560aec5ed0917976.zip |
Merge branch 'graphs4value:main' into datastructure
Diffstat (limited to 'subprojects/store-query-viatra/src/main/java/tools')
48 files changed, 2177 insertions, 662 deletions
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQuery.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQuery.java deleted file mode 100644 index 677e3c7d..00000000 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQuery.java +++ /dev/null | |||
@@ -1,21 +0,0 @@ | |||
1 | package tools.refinery.store.query.viatra; | ||
2 | |||
3 | import tools.refinery.store.adapter.ModelAdapterBuilderFactory; | ||
4 | import tools.refinery.store.model.ModelStoreBuilder; | ||
5 | import tools.refinery.store.query.ModelQuery; | ||
6 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryBuilderImpl; | ||
7 | |||
8 | public final class ViatraModelQuery extends ModelAdapterBuilderFactory<ViatraModelQueryAdapter, | ||
9 | ViatraModelQueryStoreAdapter, ViatraModelQueryBuilder> { | ||
10 | public static final ViatraModelQuery ADAPTER = new ViatraModelQuery(); | ||
11 | |||
12 | private ViatraModelQuery() { | ||
13 | super(ViatraModelQueryAdapter.class, ViatraModelQueryStoreAdapter.class, ViatraModelQueryBuilder.class); | ||
14 | extendsAdapter(ModelQuery.ADAPTER); | ||
15 | } | ||
16 | |||
17 | @Override | ||
18 | public ViatraModelQueryBuilder createBuilder(ModelStoreBuilder storeBuilder) { | ||
19 | return new ViatraModelQueryBuilderImpl(storeBuilder); | ||
20 | } | ||
21 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryAdapter.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryAdapter.java index 7e21476b..12c93f62 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryAdapter.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryAdapter.java | |||
@@ -1,8 +1,18 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra; | 6 | package tools.refinery.store.query.viatra; |
2 | 7 | ||
3 | import tools.refinery.store.query.ModelQueryAdapter; | 8 | import tools.refinery.store.query.ModelQueryAdapter; |
9 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryBuilderImpl; | ||
4 | 10 | ||
5 | public interface ViatraModelQueryAdapter extends ModelQueryAdapter { | 11 | public interface ViatraModelQueryAdapter extends ModelQueryAdapter { |
6 | @Override | 12 | @Override |
7 | ViatraModelQueryStoreAdapter getStoreAdapter(); | 13 | ViatraModelQueryStoreAdapter getStoreAdapter(); |
14 | |||
15 | static ViatraModelQueryBuilder builder() { | ||
16 | return new ViatraModelQueryBuilderImpl(); | ||
17 | } | ||
8 | } | 18 | } |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryBuilder.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryBuilder.java index efc6146c..931a07aa 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryBuilder.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryBuilder.java | |||
@@ -1,10 +1,16 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra; | 6 | package tools.refinery.store.query.viatra; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.api.ViatraQueryEngineOptions; | 8 | import org.eclipse.viatra.query.runtime.api.ViatraQueryEngineOptions; |
4 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackendFactory; | 9 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackendFactory; |
5 | import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint; | 10 | import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint; |
6 | import tools.refinery.store.model.ModelStore; | 11 | import tools.refinery.store.model.ModelStore; |
7 | import tools.refinery.store.query.DNF; | 12 | import tools.refinery.store.query.dnf.AnyQuery; |
13 | import tools.refinery.store.query.dnf.Dnf; | ||
8 | import tools.refinery.store.query.ModelQueryBuilder; | 14 | import tools.refinery.store.query.ModelQueryBuilder; |
9 | 15 | ||
10 | import java.util.Collection; | 16 | import java.util.Collection; |
@@ -23,26 +29,26 @@ public interface ViatraModelQueryBuilder extends ModelQueryBuilder { | |||
23 | ViatraModelQueryBuilder searchBackend(IQueryBackendFactory queryBackendFactory); | 29 | ViatraModelQueryBuilder searchBackend(IQueryBackendFactory queryBackendFactory); |
24 | 30 | ||
25 | @Override | 31 | @Override |
26 | default ViatraModelQueryBuilder queries(DNF... queries) { | 32 | default ViatraModelQueryBuilder queries(AnyQuery... queries) { |
27 | ModelQueryBuilder.super.queries(queries); | 33 | ModelQueryBuilder.super.queries(queries); |
28 | return this; | 34 | return this; |
29 | } | 35 | } |
30 | 36 | ||
31 | @Override | 37 | @Override |
32 | default ViatraModelQueryBuilder queries(Collection<DNF> queries) { | 38 | default ViatraModelQueryBuilder queries(Collection<? extends AnyQuery> queries) { |
33 | ModelQueryBuilder.super.queries(queries); | 39 | ModelQueryBuilder.super.queries(queries); |
34 | return this; | 40 | return this; |
35 | } | 41 | } |
36 | 42 | ||
37 | @Override | 43 | @Override |
38 | ViatraModelQueryBuilder query(DNF query); | 44 | ViatraModelQueryBuilder query(AnyQuery query); |
39 | 45 | ||
40 | ViatraModelQueryBuilder query(DNF query, QueryEvaluationHint queryEvaluationHint); | 46 | ViatraModelQueryBuilder query(AnyQuery query, QueryEvaluationHint queryEvaluationHint); |
41 | 47 | ||
42 | ViatraModelQueryBuilder computeHint(Function<DNF, QueryEvaluationHint> computeHint); | 48 | ViatraModelQueryBuilder computeHint(Function<Dnf, QueryEvaluationHint> computeHint); |
43 | 49 | ||
44 | ViatraModelQueryBuilder hint(DNF dnf, QueryEvaluationHint queryEvaluationHint); | 50 | ViatraModelQueryBuilder hint(Dnf dnf, QueryEvaluationHint queryEvaluationHint); |
45 | 51 | ||
46 | @Override | 52 | @Override |
47 | ViatraModelQueryStoreAdapter createStoreAdapter(ModelStore store); | 53 | ViatraModelQueryStoreAdapter build(ModelStore store); |
48 | } | 54 | } |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryStoreAdapter.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryStoreAdapter.java index 1ee02f12..da6d7bd5 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryStoreAdapter.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraModelQueryStoreAdapter.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra; | 6 | package tools.refinery.store.query.viatra; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.api.ViatraQueryEngineOptions; | 8 | import org.eclipse.viatra.query.runtime.api.ViatraQueryEngineOptions; |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraTupleLike.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraTupleLike.java deleted file mode 100644 index 46c28434..00000000 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/ViatraTupleLike.java +++ /dev/null | |||
@@ -1,18 +0,0 @@ | |||
1 | package tools.refinery.store.query.viatra; | ||
2 | |||
3 | import org.eclipse.viatra.query.runtime.matchers.tuple.ITuple; | ||
4 | import tools.refinery.store.tuple.Tuple1; | ||
5 | import tools.refinery.store.tuple.TupleLike; | ||
6 | |||
7 | public record ViatraTupleLike(ITuple wrappedTuple) implements TupleLike { | ||
8 | @Override | ||
9 | public int getSize() { | ||
10 | return wrappedTuple.getSize(); | ||
11 | } | ||
12 | |||
13 | @Override | ||
14 | public int get(int element) { | ||
15 | var wrappedValue = (Tuple1) wrappedTuple.get(element); | ||
16 | return wrappedValue.value0(); | ||
17 | } | ||
18 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/RelationalScope.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/RelationalScope.java index 8328e759..d1a65a89 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/RelationalScope.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/RelationalScope.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal; | 6 | package tools.refinery.store.query.viatra.internal; |
2 | 7 | ||
3 | import org.apache.log4j.Logger; | 8 | import org.apache.log4j.Logger; |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryAdapterImpl.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryAdapterImpl.java index 039f46fa..5f3e86b4 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryAdapterImpl.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryAdapterImpl.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal; | 6 | package tools.refinery.store.query.viatra.internal; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.api.AdvancedViatraQueryEngine; | 8 | import org.eclipse.viatra.query.runtime.api.AdvancedViatraQueryEngine; |
@@ -7,62 +12,92 @@ import org.eclipse.viatra.query.runtime.internal.apiimpl.ViatraQueryEngineImpl; | |||
7 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackend; | 12 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackend; |
8 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackendFactory; | 13 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackendFactory; |
9 | import tools.refinery.store.model.Model; | 14 | import tools.refinery.store.model.Model; |
10 | import tools.refinery.store.query.DNF; | 15 | import tools.refinery.store.model.ModelListener; |
11 | import tools.refinery.store.query.ResultSet; | 16 | import tools.refinery.store.query.resultset.AnyResultSet; |
17 | import tools.refinery.store.query.resultset.EmptyResultSet; | ||
18 | import tools.refinery.store.query.resultset.ResultSet; | ||
19 | import tools.refinery.store.query.dnf.AnyQuery; | ||
20 | import tools.refinery.store.query.dnf.FunctionalQuery; | ||
21 | import tools.refinery.store.query.dnf.Query; | ||
22 | import tools.refinery.store.query.dnf.RelationalQuery; | ||
12 | import tools.refinery.store.query.viatra.ViatraModelQueryAdapter; | 23 | import tools.refinery.store.query.viatra.ViatraModelQueryAdapter; |
24 | import tools.refinery.store.query.viatra.internal.matcher.FunctionalViatraMatcher; | ||
25 | import tools.refinery.store.query.viatra.internal.matcher.RawPatternMatcher; | ||
26 | import tools.refinery.store.query.viatra.internal.matcher.RelationalViatraMatcher; | ||
13 | 27 | ||
14 | import java.lang.invoke.MethodHandle; | 28 | import java.lang.invoke.MethodHandle; |
15 | import java.lang.invoke.MethodHandles; | 29 | import java.lang.invoke.MethodHandles; |
16 | import java.util.Collection; | 30 | import java.util.Collection; |
17 | import java.util.Collections; | 31 | import java.util.Collections; |
18 | import java.util.HashMap; | 32 | import java.util.LinkedHashMap; |
19 | import java.util.Map; | 33 | import java.util.Map; |
20 | 34 | ||
21 | public class ViatraModelQueryAdapterImpl implements ViatraModelQueryAdapter { | 35 | public class ViatraModelQueryAdapterImpl implements ViatraModelQueryAdapter, ModelListener { |
22 | private static final String DELAY_MESSAGE_DELIVERY_FIELD_NAME = "delayMessageDelivery"; | 36 | private static final String DELAY_MESSAGE_DELIVERY_FIELD_NAME = "delayMessageDelivery"; |
37 | private static final MethodHandle SET_UPDATE_PROPAGATION_DELAYED_HANDLE; | ||
23 | private static final String QUERY_BACKENDS_FIELD_NAME = "queryBackends"; | 38 | private static final String QUERY_BACKENDS_FIELD_NAME = "queryBackends"; |
39 | private static final MethodHandle GET_QUERY_BACKENDS_HANDLE; | ||
24 | 40 | ||
25 | private final Model model; | 41 | private final Model model; |
26 | private final ViatraModelQueryStoreAdapterImpl storeAdapter; | 42 | private final ViatraModelQueryStoreAdapterImpl storeAdapter; |
27 | private final ViatraQueryEngineImpl queryEngine; | 43 | private final ViatraQueryEngineImpl queryEngine; |
28 | private final MethodHandle setUpdatePropagationDelayedHandle; | 44 | private final Map<AnyQuery, AnyResultSet> resultSets; |
29 | private final MethodHandle getQueryBackendsHandle; | ||
30 | private final Map<DNF, ResultSet> resultSets; | ||
31 | private boolean pendingChanges; | 45 | private boolean pendingChanges; |
32 | 46 | ||
33 | ViatraModelQueryAdapterImpl(Model model, ViatraModelQueryStoreAdapterImpl storeAdapter) { | 47 | static { |
34 | this.model = model; | ||
35 | this.storeAdapter = storeAdapter; | ||
36 | var scope = new RelationalScope(this); | ||
37 | queryEngine = (ViatraQueryEngineImpl) AdvancedViatraQueryEngine.createUnmanagedEngine(scope); | ||
38 | |||
39 | try { | 48 | try { |
40 | var lookup = MethodHandles.privateLookupIn(ViatraQueryEngineImpl.class, MethodHandles.lookup()); | 49 | var lookup = MethodHandles.privateLookupIn(ViatraQueryEngineImpl.class, MethodHandles.lookup()); |
41 | setUpdatePropagationDelayedHandle = lookup.findSetter(ViatraQueryEngineImpl.class, | 50 | SET_UPDATE_PROPAGATION_DELAYED_HANDLE = lookup.findSetter(ViatraQueryEngineImpl.class, |
42 | DELAY_MESSAGE_DELIVERY_FIELD_NAME, Boolean.TYPE); | 51 | DELAY_MESSAGE_DELIVERY_FIELD_NAME, Boolean.TYPE); |
43 | getQueryBackendsHandle = lookup.findGetter(ViatraQueryEngineImpl.class, QUERY_BACKENDS_FIELD_NAME, | 52 | GET_QUERY_BACKENDS_HANDLE = lookup.findGetter(ViatraQueryEngineImpl.class, QUERY_BACKENDS_FIELD_NAME, |
44 | Map.class); | 53 | Map.class); |
45 | } catch (IllegalAccessException | NoSuchFieldException e) { | 54 | } catch (IllegalAccessException | NoSuchFieldException e) { |
46 | throw new IllegalStateException("Cannot access private members of %s" | 55 | throw new IllegalStateException("Cannot access private members of %s" |
47 | .formatted(ViatraQueryEngineImpl.class.getName()), e); | 56 | .formatted(ViatraQueryEngineImpl.class.getName()), e); |
48 | } | 57 | } |
58 | } | ||
59 | |||
60 | ViatraModelQueryAdapterImpl(Model model, ViatraModelQueryStoreAdapterImpl storeAdapter) { | ||
61 | this.model = model; | ||
62 | this.storeAdapter = storeAdapter; | ||
63 | var scope = new RelationalScope(this); | ||
64 | queryEngine = (ViatraQueryEngineImpl) AdvancedViatraQueryEngine.createUnmanagedEngine(scope, | ||
65 | storeAdapter.getEngineOptions()); | ||
49 | 66 | ||
50 | var querySpecifications = storeAdapter.getQuerySpecifications(); | 67 | var querySpecifications = storeAdapter.getQuerySpecifications(); |
51 | GenericQueryGroup.of( | 68 | GenericQueryGroup.of( |
52 | Collections.<IQuerySpecification<?>>unmodifiableCollection(querySpecifications.values()).stream() | 69 | Collections.<IQuerySpecification<?>>unmodifiableCollection(querySpecifications.values()).stream() |
53 | ).prepare(queryEngine); | 70 | ).prepare(queryEngine); |
54 | resultSets = new HashMap<>(querySpecifications.size()); | 71 | var vacuousQueries = storeAdapter.getVacuousQueries(); |
72 | resultSets = new LinkedHashMap<>(querySpecifications.size() + vacuousQueries.size()); | ||
55 | for (var entry : querySpecifications.entrySet()) { | 73 | for (var entry : querySpecifications.entrySet()) { |
56 | var matcher = queryEngine.getMatcher(entry.getValue()); | 74 | var rawPatternMatcher = queryEngine.getMatcher(entry.getValue()); |
57 | resultSets.put(entry.getKey(), matcher); | 75 | var query = entry.getKey(); |
76 | resultSets.put(query, createResultSet((Query<?>) query, rawPatternMatcher)); | ||
77 | } | ||
78 | for (var vacuousQuery : vacuousQueries) { | ||
79 | resultSets.put(vacuousQuery, new EmptyResultSet<>(this, (Query<?>) vacuousQuery)); | ||
58 | } | 80 | } |
59 | 81 | ||
60 | setUpdatePropagationDelayed(true); | 82 | setUpdatePropagationDelayed(true); |
83 | model.addListener(this); | ||
84 | } | ||
85 | |||
86 | private <T> ResultSet<T> createResultSet(Query<T> query, RawPatternMatcher matcher) { | ||
87 | if (query instanceof RelationalQuery relationalQuery) { | ||
88 | @SuppressWarnings("unchecked") | ||
89 | var resultSet = (ResultSet<T>) new RelationalViatraMatcher(this, relationalQuery, matcher); | ||
90 | return resultSet; | ||
91 | } else if (query instanceof FunctionalQuery<T> functionalQuery) { | ||
92 | return new FunctionalViatraMatcher<>(this, functionalQuery, matcher); | ||
93 | } else { | ||
94 | throw new IllegalArgumentException("Unknown query: " + query); | ||
95 | } | ||
61 | } | 96 | } |
62 | 97 | ||
63 | private void setUpdatePropagationDelayed(boolean value) { | 98 | private void setUpdatePropagationDelayed(boolean value) { |
64 | try { | 99 | try { |
65 | setUpdatePropagationDelayedHandle.invokeExact(queryEngine, value); | 100 | SET_UPDATE_PROPAGATION_DELAYED_HANDLE.invokeExact(queryEngine, value); |
66 | } catch (Error e) { | 101 | } catch (Error e) { |
67 | // Fatal JVM errors should not be wrapped. | 102 | // Fatal JVM errors should not be wrapped. |
68 | throw e; | 103 | throw e; |
@@ -74,7 +109,7 @@ public class ViatraModelQueryAdapterImpl implements ViatraModelQueryAdapter { | |||
74 | private Collection<IQueryBackend> getQueryBackends() { | 109 | private Collection<IQueryBackend> getQueryBackends() { |
75 | try { | 110 | try { |
76 | @SuppressWarnings("unchecked") | 111 | @SuppressWarnings("unchecked") |
77 | var backendMap = (Map<IQueryBackendFactory, IQueryBackend>) getQueryBackendsHandle.invokeExact(queryEngine); | 112 | var backendMap = (Map<IQueryBackendFactory, IQueryBackend>) GET_QUERY_BACKENDS_HANDLE.invokeExact(queryEngine); |
78 | return backendMap.values(); | 113 | return backendMap.values(); |
79 | } catch (Error e) { | 114 | } catch (Error e) { |
80 | // Fatal JVM errors should not be wrapped. | 115 | // Fatal JVM errors should not be wrapped. |
@@ -95,12 +130,14 @@ public class ViatraModelQueryAdapterImpl implements ViatraModelQueryAdapter { | |||
95 | } | 130 | } |
96 | 131 | ||
97 | @Override | 132 | @Override |
98 | public ResultSet getResultSet(DNF query) { | 133 | public <T> ResultSet<T> getResultSet(Query<T> query) { |
99 | var resultSet = resultSets.get(query); | 134 | var resultSet = resultSets.get(query); |
100 | if (resultSet == null) { | 135 | if (resultSet == null) { |
101 | throw new IllegalArgumentException("No matcher for query %s in model".formatted(query.name())); | 136 | throw new IllegalArgumentException("No matcher for query %s in model".formatted(query.name())); |
102 | } | 137 | } |
103 | return resultSet; | 138 | @SuppressWarnings("unchecked") |
139 | var typedResultSet = (ResultSet<T>) resultSet; | ||
140 | return typedResultSet; | ||
104 | } | 141 | } |
105 | 142 | ||
106 | @Override | 143 | @Override |
@@ -132,4 +169,9 @@ public class ViatraModelQueryAdapterImpl implements ViatraModelQueryAdapter { | |||
132 | } | 169 | } |
133 | pendingChanges = false; | 170 | pendingChanges = false; |
134 | } | 171 | } |
172 | |||
173 | @Override | ||
174 | public void afterRestore() { | ||
175 | flushChanges(); | ||
176 | } | ||
135 | } | 177 | } |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryBuilderImpl.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryBuilderImpl.java index 9f1e55b1..ce2467b4 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryBuilderImpl.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryBuilderImpl.java | |||
@@ -1,115 +1,162 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal; | 6 | package tools.refinery.store.query.viatra.internal; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.api.IQuerySpecification; | 8 | import org.eclipse.viatra.query.runtime.api.IQuerySpecification; |
4 | import org.eclipse.viatra.query.runtime.api.ViatraQueryEngineOptions; | 9 | import org.eclipse.viatra.query.runtime.api.ViatraQueryEngineOptions; |
5 | import org.eclipse.viatra.query.runtime.localsearch.matcher.integration.LocalSearchGenericBackendFactory; | 10 | import org.eclipse.viatra.query.runtime.localsearch.matcher.integration.LocalSearchHintOptions; |
6 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackendFactory; | 11 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackendFactory; |
7 | import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint; | 12 | import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint; |
8 | import org.eclipse.viatra.query.runtime.rete.matcher.ReteBackendFactory; | 13 | import org.eclipse.viatra.query.runtime.rete.matcher.ReteBackendFactory; |
9 | import tools.refinery.store.adapter.AbstractModelAdapterBuilder; | 14 | import tools.refinery.store.adapter.AbstractModelAdapterBuilder; |
10 | import tools.refinery.store.model.ModelStore; | 15 | import tools.refinery.store.model.ModelStore; |
11 | import tools.refinery.store.model.ModelStoreBuilder; | 16 | import tools.refinery.store.model.ModelStoreBuilder; |
12 | import tools.refinery.store.query.DNF; | 17 | import tools.refinery.store.query.dnf.AnyQuery; |
18 | import tools.refinery.store.query.dnf.Dnf; | ||
13 | import tools.refinery.store.query.viatra.ViatraModelQueryBuilder; | 19 | import tools.refinery.store.query.viatra.ViatraModelQueryBuilder; |
14 | import tools.refinery.store.query.viatra.internal.pquery.DNF2PQuery; | 20 | import tools.refinery.store.query.viatra.internal.localsearch.FlatCostFunction; |
15 | import tools.refinery.store.query.viatra.internal.pquery.RawPatternMatcher; | 21 | import tools.refinery.store.query.viatra.internal.localsearch.RelationalLocalSearchBackendFactory; |
22 | import tools.refinery.store.query.viatra.internal.matcher.RawPatternMatcher; | ||
23 | import tools.refinery.store.query.viatra.internal.pquery.Dnf2PQuery; | ||
16 | 24 | ||
17 | import java.util.Collections; | 25 | import java.util.*; |
18 | import java.util.LinkedHashMap; | ||
19 | import java.util.Map; | ||
20 | import java.util.function.Function; | 26 | import java.util.function.Function; |
21 | 27 | ||
22 | public class ViatraModelQueryBuilderImpl extends AbstractModelAdapterBuilder implements ViatraModelQueryBuilder { | 28 | public class ViatraModelQueryBuilderImpl extends AbstractModelAdapterBuilder<ViatraModelQueryStoreAdapterImpl> |
29 | implements ViatraModelQueryBuilder { | ||
23 | private ViatraQueryEngineOptions.Builder engineOptionsBuilder; | 30 | private ViatraQueryEngineOptions.Builder engineOptionsBuilder; |
24 | private final DNF2PQuery dnf2PQuery = new DNF2PQuery(); | 31 | private QueryEvaluationHint defaultHint = new QueryEvaluationHint(Map.of( |
25 | private final Map<DNF, IQuerySpecification<RawPatternMatcher>> querySpecifications = new LinkedHashMap<>(); | 32 | // Use a cost function that ignores the initial (empty) model but allows higher arity input keys. |
33 | LocalSearchHintOptions.PLANNER_COST_FUNCTION, new FlatCostFunction() | ||
34 | ), (IQueryBackendFactory) null); | ||
35 | private final Dnf2PQuery dnf2PQuery = new Dnf2PQuery(); | ||
36 | private final Set<AnyQuery> vacuousQueries = new LinkedHashSet<>(); | ||
37 | private final Map<AnyQuery, IQuerySpecification<RawPatternMatcher>> querySpecifications = new LinkedHashMap<>(); | ||
26 | 38 | ||
27 | public ViatraModelQueryBuilderImpl(ModelStoreBuilder storeBuilder) { | 39 | public ViatraModelQueryBuilderImpl() { |
28 | super(storeBuilder); | ||
29 | engineOptionsBuilder = new ViatraQueryEngineOptions.Builder() | 40 | engineOptionsBuilder = new ViatraQueryEngineOptions.Builder() |
30 | .withDefaultBackend(ReteBackendFactory.INSTANCE) | 41 | .withDefaultBackend(ReteBackendFactory.INSTANCE) |
31 | .withDefaultCachingBackend(ReteBackendFactory.INSTANCE) | 42 | .withDefaultCachingBackend(ReteBackendFactory.INSTANCE) |
32 | .withDefaultSearchBackend(LocalSearchGenericBackendFactory.INSTANCE); | 43 | .withDefaultSearchBackend(RelationalLocalSearchBackendFactory.INSTANCE); |
33 | } | 44 | } |
34 | 45 | ||
35 | @Override | 46 | @Override |
36 | public ViatraModelQueryBuilder engineOptions(ViatraQueryEngineOptions engineOptions) { | 47 | public ViatraModelQueryBuilder engineOptions(ViatraQueryEngineOptions engineOptions) { |
48 | checkNotConfigured(); | ||
37 | engineOptionsBuilder = new ViatraQueryEngineOptions.Builder(engineOptions); | 49 | engineOptionsBuilder = new ViatraQueryEngineOptions.Builder(engineOptions); |
38 | return this; | 50 | return this; |
39 | } | 51 | } |
40 | 52 | ||
41 | @Override | 53 | @Override |
42 | public ViatraModelQueryBuilder defaultHint(QueryEvaluationHint queryEvaluationHint) { | 54 | public ViatraModelQueryBuilder defaultHint(QueryEvaluationHint queryEvaluationHint) { |
43 | engineOptionsBuilder.withDefaultHint(queryEvaluationHint); | 55 | checkNotConfigured(); |
56 | defaultHint = defaultHint.overrideBy(queryEvaluationHint); | ||
44 | return this; | 57 | return this; |
45 | } | 58 | } |
46 | 59 | ||
47 | @Override | 60 | @Override |
48 | public ViatraModelQueryBuilder backend(IQueryBackendFactory queryBackendFactory) { | 61 | public ViatraModelQueryBuilder backend(IQueryBackendFactory queryBackendFactory) { |
62 | checkNotConfigured(); | ||
49 | engineOptionsBuilder.withDefaultBackend(queryBackendFactory); | 63 | engineOptionsBuilder.withDefaultBackend(queryBackendFactory); |
50 | return this; | 64 | return this; |
51 | } | 65 | } |
52 | 66 | ||
53 | @Override | 67 | @Override |
54 | public ViatraModelQueryBuilder cachingBackend(IQueryBackendFactory queryBackendFactory) { | 68 | public ViatraModelQueryBuilder cachingBackend(IQueryBackendFactory queryBackendFactory) { |
69 | checkNotConfigured(); | ||
55 | engineOptionsBuilder.withDefaultCachingBackend(queryBackendFactory); | 70 | engineOptionsBuilder.withDefaultCachingBackend(queryBackendFactory); |
56 | return this; | 71 | return this; |
57 | } | 72 | } |
58 | 73 | ||
59 | @Override | 74 | @Override |
60 | public ViatraModelQueryBuilder searchBackend(IQueryBackendFactory queryBackendFactory) { | 75 | public ViatraModelQueryBuilder searchBackend(IQueryBackendFactory queryBackendFactory) { |
76 | checkNotConfigured(); | ||
61 | engineOptionsBuilder.withDefaultSearchBackend(queryBackendFactory); | 77 | engineOptionsBuilder.withDefaultSearchBackend(queryBackendFactory); |
62 | return this; | 78 | return this; |
63 | } | 79 | } |
64 | 80 | ||
65 | @Override | 81 | @Override |
66 | public ViatraModelQueryBuilder query(DNF query) { | 82 | public ViatraModelQueryBuilder query(AnyQuery query) { |
67 | if (querySpecifications.containsKey(query)) { | 83 | checkNotConfigured(); |
68 | throw new IllegalArgumentException("%s was already added to the query engine".formatted(query.name())); | 84 | if (querySpecifications.containsKey(query) || vacuousQueries.contains(query)) { |
85 | // Ignore duplicate queries. | ||
86 | return this; | ||
87 | } | ||
88 | var dnf = query.getDnf(); | ||
89 | var reduction = dnf.getReduction(); | ||
90 | switch (reduction) { | ||
91 | case NOT_REDUCIBLE -> { | ||
92 | var pQuery = dnf2PQuery.translate(dnf); | ||
93 | querySpecifications.put(query, pQuery.build()); | ||
94 | } | ||
95 | case ALWAYS_FALSE -> vacuousQueries.add(query); | ||
96 | case ALWAYS_TRUE -> throw new IllegalArgumentException( | ||
97 | "Query %s is relationally unsafe (it matches every tuple)".formatted(query.name())); | ||
98 | default -> throw new IllegalArgumentException("Unknown reduction: " + reduction); | ||
69 | } | 99 | } |
70 | var pQuery = dnf2PQuery.translate(query); | ||
71 | querySpecifications.put(query, pQuery.build()); | ||
72 | return this; | 100 | return this; |
73 | } | 101 | } |
74 | 102 | ||
75 | @Override | 103 | @Override |
76 | public ViatraModelQueryBuilder query(DNF query, QueryEvaluationHint queryEvaluationHint) { | 104 | public ViatraModelQueryBuilder query(AnyQuery query, QueryEvaluationHint queryEvaluationHint) { |
105 | hint(query.getDnf(), queryEvaluationHint); | ||
77 | query(query); | 106 | query(query); |
78 | hint(query, queryEvaluationHint); | ||
79 | return this; | 107 | return this; |
80 | } | 108 | } |
81 | 109 | ||
82 | @Override | 110 | @Override |
83 | public ViatraModelQueryBuilder computeHint(Function<DNF, QueryEvaluationHint> computeHint) { | 111 | public ViatraModelQueryBuilder computeHint(Function<Dnf, QueryEvaluationHint> computeHint) { |
112 | checkNotConfigured(); | ||
84 | dnf2PQuery.setComputeHint(computeHint); | 113 | dnf2PQuery.setComputeHint(computeHint); |
85 | return this; | 114 | return this; |
86 | } | 115 | } |
87 | 116 | ||
88 | @Override | 117 | @Override |
89 | public ViatraModelQueryBuilder hint(DNF dnf, QueryEvaluationHint queryEvaluationHint) { | 118 | public ViatraModelQueryBuilder hint(Dnf dnf, QueryEvaluationHint queryEvaluationHint) { |
90 | var pQuery = dnf2PQuery.getAlreadyTranslated(dnf); | 119 | checkNotConfigured(); |
91 | if (pQuery == null) { | 120 | dnf2PQuery.hint(dnf, queryEvaluationHint); |
92 | throw new IllegalArgumentException( | ||
93 | "Cannot specify hint for %s, because it was not added to the query engine".formatted(dnf.name())); | ||
94 | } | ||
95 | pQuery.setEvaluationHints(pQuery.getEvaluationHints().overrideBy(queryEvaluationHint)); | ||
96 | return this; | 121 | return this; |
97 | } | 122 | } |
98 | 123 | ||
99 | @Override | 124 | @Override |
100 | public ViatraModelQueryStoreAdapterImpl createStoreAdapter(ModelStore store) { | 125 | public void doConfigure(ModelStoreBuilder storeBuilder) { |
126 | dnf2PQuery.assertNoUnusedHints(); | ||
127 | } | ||
128 | |||
129 | @Override | ||
130 | public ViatraModelQueryStoreAdapterImpl doBuild(ModelStore store) { | ||
101 | validateSymbols(store); | 131 | validateSymbols(store); |
102 | return new ViatraModelQueryStoreAdapterImpl(store, engineOptionsBuilder.build(), dnf2PQuery.getRelationViews(), | 132 | return new ViatraModelQueryStoreAdapterImpl(store, buildEngineOptions(), dnf2PQuery.getSymbolViews(), |
103 | Collections.unmodifiableMap(querySpecifications)); | 133 | Collections.unmodifiableMap(querySpecifications), Collections.unmodifiableSet(vacuousQueries)); |
134 | } | ||
135 | |||
136 | private ViatraQueryEngineOptions buildEngineOptions() { | ||
137 | // Workaround: manually override the default backend, because {@link ViatraQueryEngineOptions.Builder} | ||
138 | // ignores all backend requirements except {@code SPECIFIC}. | ||
139 | switch (defaultHint.getQueryBackendRequirementType()) { | ||
140 | case SPECIFIC -> engineOptionsBuilder.withDefaultBackend(defaultHint.getQueryBackendFactory()); | ||
141 | case DEFAULT_CACHING -> engineOptionsBuilder.withDefaultBackend( | ||
142 | engineOptionsBuilder.build().getDefaultCachingBackendFactory()); | ||
143 | case DEFAULT_SEARCH -> engineOptionsBuilder.withDefaultBackend( | ||
144 | engineOptionsBuilder.build().getDefaultSearchBackendFactory()); | ||
145 | case UNSPECIFIED -> { | ||
146 | // Nothing to do, leave the default backend unchanged. | ||
147 | } | ||
148 | } | ||
149 | engineOptionsBuilder.withDefaultHint(defaultHint); | ||
150 | return engineOptionsBuilder.build(); | ||
104 | } | 151 | } |
105 | 152 | ||
106 | private void validateSymbols(ModelStore store) { | 153 | private void validateSymbols(ModelStore store) { |
107 | var symbols = store.getSymbols(); | 154 | var symbols = store.getSymbols(); |
108 | for (var relationView : dnf2PQuery.getRelationViews().keySet()) { | 155 | for (var symbolView : dnf2PQuery.getSymbolViews().keySet()) { |
109 | var symbol = relationView.getSymbol(); | 156 | var symbol = symbolView.getSymbol(); |
110 | if (!symbols.contains(symbol)) { | 157 | if (!symbols.contains(symbol)) { |
111 | throw new IllegalArgumentException("Cannot query relation view %s: symbol %s is not in the model" | 158 | throw new IllegalArgumentException("Cannot query view %s: symbol %s is not in the model" |
112 | .formatted(relationView, symbol)); | 159 | .formatted(symbolView, symbol)); |
113 | } | 160 | } |
114 | } | 161 | } |
115 | } | 162 | } |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryStoreAdapterImpl.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryStoreAdapterImpl.java index 394e407e..11a3c7fd 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryStoreAdapterImpl.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/ViatraModelQueryStoreAdapterImpl.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal; | 6 | package tools.refinery.store.query.viatra.internal; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.api.IQuerySpecification; | 8 | import org.eclipse.viatra.query.runtime.api.IQuerySpecification; |
@@ -5,27 +10,34 @@ import org.eclipse.viatra.query.runtime.api.ViatraQueryEngineOptions; | |||
5 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | 10 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; |
6 | import tools.refinery.store.model.Model; | 11 | import tools.refinery.store.model.Model; |
7 | import tools.refinery.store.model.ModelStore; | 12 | import tools.refinery.store.model.ModelStore; |
8 | import tools.refinery.store.query.DNF; | 13 | import tools.refinery.store.query.dnf.AnyQuery; |
9 | import tools.refinery.store.query.viatra.ViatraModelQueryStoreAdapter; | 14 | import tools.refinery.store.query.viatra.ViatraModelQueryStoreAdapter; |
10 | import tools.refinery.store.query.viatra.internal.pquery.RawPatternMatcher; | 15 | import tools.refinery.store.query.viatra.internal.matcher.RawPatternMatcher; |
11 | import tools.refinery.store.query.view.AnyRelationView; | 16 | import tools.refinery.store.query.view.AnySymbolView; |
12 | 17 | ||
13 | import java.util.Collection; | 18 | import java.util.*; |
14 | import java.util.Map; | ||
15 | 19 | ||
16 | public class ViatraModelQueryStoreAdapterImpl implements ViatraModelQueryStoreAdapter { | 20 | public class ViatraModelQueryStoreAdapterImpl implements ViatraModelQueryStoreAdapter { |
17 | private final ModelStore store; | 21 | private final ModelStore store; |
18 | private final ViatraQueryEngineOptions engineOptions; | 22 | private final ViatraQueryEngineOptions engineOptions; |
19 | private final Map<AnyRelationView, IInputKey> inputKeys; | 23 | private final Map<AnySymbolView, IInputKey> inputKeys; |
20 | private final Map<DNF, IQuerySpecification<RawPatternMatcher>> querySpecifications; | 24 | private final Map<AnyQuery, IQuerySpecification<RawPatternMatcher>> querySpecifications; |
25 | private final Set<AnyQuery> vacuousQueries; | ||
26 | private final Set<AnyQuery> allQueries; | ||
21 | 27 | ||
22 | ViatraModelQueryStoreAdapterImpl(ModelStore store, ViatraQueryEngineOptions engineOptions, | 28 | ViatraModelQueryStoreAdapterImpl(ModelStore store, ViatraQueryEngineOptions engineOptions, |
23 | Map<AnyRelationView, IInputKey> inputKeys, | 29 | Map<AnySymbolView, IInputKey> inputKeys, |
24 | Map<DNF, IQuerySpecification<RawPatternMatcher>> querySpecifications) { | 30 | Map<AnyQuery, IQuerySpecification<RawPatternMatcher>> querySpecifications, |
31 | Set<AnyQuery> vacuousQueries) { | ||
25 | this.store = store; | 32 | this.store = store; |
26 | this.engineOptions = engineOptions; | 33 | this.engineOptions = engineOptions; |
27 | this.inputKeys = inputKeys; | 34 | this.inputKeys = inputKeys; |
28 | this.querySpecifications = querySpecifications; | 35 | this.querySpecifications = querySpecifications; |
36 | this.vacuousQueries = vacuousQueries; | ||
37 | var mutableAllQueries = new LinkedHashSet<AnyQuery>(querySpecifications.size() + vacuousQueries.size()); | ||
38 | mutableAllQueries.addAll(querySpecifications.keySet()); | ||
39 | mutableAllQueries.addAll(vacuousQueries); | ||
40 | this.allQueries = Collections.unmodifiableSet(mutableAllQueries); | ||
29 | } | 41 | } |
30 | 42 | ||
31 | @Override | 43 | @Override |
@@ -33,23 +45,27 @@ public class ViatraModelQueryStoreAdapterImpl implements ViatraModelQueryStoreAd | |||
33 | return store; | 45 | return store; |
34 | } | 46 | } |
35 | 47 | ||
36 | public Collection<AnyRelationView> getRelationViews() { | 48 | public Collection<AnySymbolView> getSymbolViews() { |
37 | return inputKeys.keySet(); | 49 | return inputKeys.keySet(); |
38 | } | 50 | } |
39 | 51 | ||
40 | public Map<AnyRelationView, IInputKey> getInputKeys() { | 52 | public Map<AnySymbolView, IInputKey> getInputKeys() { |
41 | return inputKeys; | 53 | return inputKeys; |
42 | } | 54 | } |
43 | 55 | ||
44 | @Override | 56 | @Override |
45 | public Collection<DNF> getQueries() { | 57 | public Collection<AnyQuery> getQueries() { |
46 | return querySpecifications.keySet(); | 58 | return allQueries; |
47 | } | 59 | } |
48 | 60 | ||
49 | Map<DNF, IQuerySpecification<RawPatternMatcher>> getQuerySpecifications() { | 61 | Map<AnyQuery, IQuerySpecification<RawPatternMatcher>> getQuerySpecifications() { |
50 | return querySpecifications; | 62 | return querySpecifications; |
51 | } | 63 | } |
52 | 64 | ||
65 | Set<AnyQuery> getVacuousQueries() { | ||
66 | return vacuousQueries; | ||
67 | } | ||
68 | |||
53 | @Override | 69 | @Override |
54 | public ViatraQueryEngineOptions getEngineOptions() { | 70 | public ViatraQueryEngineOptions getEngineOptions() { |
55 | return engineOptions; | 71 | return engineOptions; |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/cardinality/UpperCardinalitySumAggregationOperator.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/cardinality/UpperCardinalitySumAggregationOperator.java deleted file mode 100644 index e0bca9e0..00000000 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/cardinality/UpperCardinalitySumAggregationOperator.java +++ /dev/null | |||
@@ -1,97 +0,0 @@ | |||
1 | package tools.refinery.store.query.viatra.internal.cardinality; | ||
2 | |||
3 | import org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.BoundAggregator; | ||
4 | import org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator; | ||
5 | import tools.refinery.store.representation.cardinality.FiniteUpperCardinality; | ||
6 | import tools.refinery.store.representation.cardinality.UnboundedUpperCardinality; | ||
7 | import tools.refinery.store.representation.cardinality.UpperCardinalities; | ||
8 | import tools.refinery.store.representation.cardinality.UpperCardinality; | ||
9 | |||
10 | import java.util.stream.Stream; | ||
11 | |||
12 | public class UpperCardinalitySumAggregationOperator implements IMultisetAggregationOperator<UpperCardinality, | ||
13 | UpperCardinalitySumAggregationOperator.Accumulator, UpperCardinality> { | ||
14 | public static final UpperCardinalitySumAggregationOperator INSTANCE = new UpperCardinalitySumAggregationOperator(); | ||
15 | |||
16 | public static final BoundAggregator BOUND_AGGREGATOR = new BoundAggregator(INSTANCE, UpperCardinality.class, | ||
17 | UpperCardinality.class); | ||
18 | |||
19 | private UpperCardinalitySumAggregationOperator() { | ||
20 | // Singleton constructor. | ||
21 | } | ||
22 | |||
23 | @Override | ||
24 | public String getName() { | ||
25 | return "sum<UpperCardinality>"; | ||
26 | } | ||
27 | |||
28 | @Override | ||
29 | public String getShortDescription() { | ||
30 | return "%s computes the sum of finite or unbounded upper cardinalities".formatted(getName()); | ||
31 | } | ||
32 | |||
33 | @Override | ||
34 | public Accumulator createNeutral() { | ||
35 | return new Accumulator(); | ||
36 | } | ||
37 | |||
38 | @Override | ||
39 | public boolean isNeutral(Accumulator result) { | ||
40 | return result.sumFiniteUpperBounds == 0 && result.countUnbounded == 0; | ||
41 | } | ||
42 | |||
43 | @Override | ||
44 | public Accumulator update(Accumulator oldResult, UpperCardinality updateValue, boolean isInsertion) { | ||
45 | if (updateValue instanceof FiniteUpperCardinality finiteUpperCardinality) { | ||
46 | int finiteUpperBound = finiteUpperCardinality.finiteUpperBound(); | ||
47 | if (isInsertion) { | ||
48 | oldResult.sumFiniteUpperBounds += finiteUpperBound; | ||
49 | } else { | ||
50 | oldResult.sumFiniteUpperBounds -= finiteUpperBound; | ||
51 | } | ||
52 | } else if (updateValue instanceof UnboundedUpperCardinality) { | ||
53 | if (isInsertion) { | ||
54 | oldResult.countUnbounded += 1; | ||
55 | } else { | ||
56 | oldResult.countUnbounded -= 1; | ||
57 | } | ||
58 | } else { | ||
59 | throw new IllegalArgumentException("Unknown UpperCardinality: " + updateValue); | ||
60 | } | ||
61 | return oldResult; | ||
62 | } | ||
63 | |||
64 | @Override | ||
65 | public UpperCardinality getAggregate(Accumulator result) { | ||
66 | return result.countUnbounded > 0 ? UpperCardinalities.UNBOUNDED : | ||
67 | UpperCardinalities.valueOf(result.sumFiniteUpperBounds); | ||
68 | } | ||
69 | |||
70 | @Override | ||
71 | public UpperCardinality aggregateStream(Stream<UpperCardinality> stream) { | ||
72 | var result = stream.collect(this::createNeutral, (accumulator, value) -> update(accumulator, value, true), | ||
73 | (left, right) -> new Accumulator(left.sumFiniteUpperBounds + right.sumFiniteUpperBounds, | ||
74 | left.countUnbounded + right.countUnbounded)); | ||
75 | return getAggregate(result); | ||
76 | } | ||
77 | |||
78 | @Override | ||
79 | public Accumulator clone(Accumulator original) { | ||
80 | return new Accumulator(original.sumFiniteUpperBounds, original.countUnbounded); | ||
81 | } | ||
82 | |||
83 | public static class Accumulator { | ||
84 | private int sumFiniteUpperBounds; | ||
85 | |||
86 | private int countUnbounded; | ||
87 | |||
88 | private Accumulator(int sumFiniteUpperBounds, int countUnbounded) { | ||
89 | this.sumFiniteUpperBounds = sumFiniteUpperBounds; | ||
90 | this.countUnbounded = countUnbounded; | ||
91 | } | ||
92 | |||
93 | private Accumulator() { | ||
94 | this(0, 0); | ||
95 | } | ||
96 | } | ||
97 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/DummyBaseIndexer.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/DummyBaseIndexer.java index 2a24b67c..8cb199d2 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/DummyBaseIndexer.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/DummyBaseIndexer.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.context; | 6 | package tools.refinery.store.query.viatra.internal.context; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.api.scope.IBaseIndex; | 8 | import org.eclipse.viatra.query.runtime.api.scope.IBaseIndex; |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalEngineContext.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalEngineContext.java index 28bc69d0..7220f8ca 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalEngineContext.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalEngineContext.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.context; | 6 | package tools.refinery.store.query.viatra.internal.context; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.api.scope.IBaseIndex; | 8 | import org.eclipse.viatra.query.runtime.api.scope.IBaseIndex; |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalQueryMetaContext.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalQueryMetaContext.java index cba3fa08..211eacb4 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalQueryMetaContext.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalQueryMetaContext.java | |||
@@ -1,10 +1,16 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.context; | 6 | package tools.refinery.store.query.viatra.internal.context; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.matchers.context.AbstractQueryMetaContext; | 8 | import org.eclipse.viatra.query.runtime.matchers.context.AbstractQueryMetaContext; |
4 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | 9 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; |
5 | import org.eclipse.viatra.query.runtime.matchers.context.InputKeyImplication; | 10 | import org.eclipse.viatra.query.runtime.matchers.context.InputKeyImplication; |
6 | import tools.refinery.store.query.viatra.internal.pquery.RelationViewWrapper; | 11 | import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey; |
7 | import tools.refinery.store.query.view.AnyRelationView; | 12 | import tools.refinery.store.query.viatra.internal.pquery.SymbolViewWrapper; |
13 | import tools.refinery.store.query.view.AnySymbolView; | ||
8 | 14 | ||
9 | import java.util.*; | 15 | import java.util.*; |
10 | 16 | ||
@@ -12,9 +18,9 @@ import java.util.*; | |||
12 | * The meta context information for String scopes. | 18 | * The meta context information for String scopes. |
13 | */ | 19 | */ |
14 | public class RelationalQueryMetaContext extends AbstractQueryMetaContext { | 20 | public class RelationalQueryMetaContext extends AbstractQueryMetaContext { |
15 | private final Map<AnyRelationView, IInputKey> inputKeys; | 21 | private final Map<AnySymbolView, IInputKey> inputKeys; |
16 | 22 | ||
17 | RelationalQueryMetaContext(Map<AnyRelationView, IInputKey> inputKeys) { | 23 | RelationalQueryMetaContext(Map<AnySymbolView, IInputKey> inputKeys) { |
18 | this.inputKeys = inputKeys; | 24 | this.inputKeys = inputKeys; |
19 | } | 25 | } |
20 | 26 | ||
@@ -37,26 +43,43 @@ public class RelationalQueryMetaContext extends AbstractQueryMetaContext { | |||
37 | 43 | ||
38 | @Override | 44 | @Override |
39 | public Collection<InputKeyImplication> getImplications(IInputKey implyingKey) { | 45 | public Collection<InputKeyImplication> getImplications(IInputKey implyingKey) { |
40 | var relationView = checkKey(implyingKey); | 46 | if (implyingKey instanceof JavaTransitiveInstancesKey) { |
41 | var relationViewImplications = relationView.getImpliedRelationViews(); | 47 | return List.of(); |
48 | } | ||
49 | var symbolView = checkKey(implyingKey); | ||
50 | var relationViewImplications = symbolView.getImpliedRelationViews(); | ||
42 | var inputKeyImplications = new HashSet<InputKeyImplication>(relationViewImplications.size()); | 51 | var inputKeyImplications = new HashSet<InputKeyImplication>(relationViewImplications.size()); |
43 | for (var relationViewImplication : relationViewImplications) { | 52 | for (var relationViewImplication : relationViewImplications) { |
44 | if (!relationView.equals(relationViewImplication.implyingRelationView())) { | 53 | if (!symbolView.equals(relationViewImplication.implyingView())) { |
45 | throw new IllegalArgumentException("Relation view %s returned unrelated implication %s".formatted( | 54 | throw new IllegalArgumentException("Relation view %s returned unrelated implication %s".formatted( |
46 | relationView, relationViewImplication)); | 55 | symbolView, relationViewImplication)); |
47 | } | 56 | } |
48 | var impliedInputKey = inputKeys.get(relationViewImplication.impliedRelationView()); | 57 | var impliedInputKey = inputKeys.get(relationViewImplication.impliedView()); |
49 | // Ignore implications not relevant for any queries included in the model. | 58 | // Ignore implications not relevant for any queries included in the model. |
50 | if (impliedInputKey != null) { | 59 | if (impliedInputKey != null) { |
51 | inputKeyImplications.add(new InputKeyImplication(implyingKey, impliedInputKey, | 60 | inputKeyImplications.add(new InputKeyImplication(implyingKey, impliedInputKey, |
52 | relationViewImplication.impliedIndices())); | 61 | relationViewImplication.impliedIndices())); |
53 | } | 62 | } |
54 | } | 63 | } |
64 | var parameters = symbolView.getParameters(); | ||
65 | int arity = symbolView.arity(); | ||
66 | for (int i = 0; i < arity; i++) { | ||
67 | var parameter = parameters.get(i); | ||
68 | var parameterType = parameter.tryGetType(); | ||
69 | if (parameterType.isPresent()) { | ||
70 | var javaTransitiveInstancesKey = new JavaTransitiveInstancesKey(parameterType.get()); | ||
71 | var javaImplication = new InputKeyImplication(implyingKey, javaTransitiveInstancesKey, List.of(i)); | ||
72 | inputKeyImplications.add(javaImplication); | ||
73 | } | ||
74 | } | ||
55 | return inputKeyImplications; | 75 | return inputKeyImplications; |
56 | } | 76 | } |
57 | 77 | ||
58 | @Override | 78 | @Override |
59 | public Map<Set<Integer>, Set<Integer>> getFunctionalDependencies(IInputKey key) { | 79 | public Map<Set<Integer>, Set<Integer>> getFunctionalDependencies(IInputKey key) { |
80 | if (key instanceof JavaTransitiveInstancesKey) { | ||
81 | return Map.of(); | ||
82 | } | ||
60 | var relationView = checkKey(key); | 83 | var relationView = checkKey(key); |
61 | var functionalDependencies = relationView.getFunctionalDependencies(); | 84 | var functionalDependencies = relationView.getFunctionalDependencies(); |
62 | var flattened = new HashMap<Set<Integer>, Set<Integer>>(functionalDependencies.size()); | 85 | var flattened = new HashMap<Set<Integer>, Set<Integer>>(functionalDependencies.size()); |
@@ -75,20 +98,20 @@ public class RelationalQueryMetaContext extends AbstractQueryMetaContext { | |||
75 | return flattened; | 98 | return flattened; |
76 | } | 99 | } |
77 | 100 | ||
78 | private static void checkValidIndices(AnyRelationView relationView, Collection<Integer> indices) { | 101 | private static void checkValidIndices(AnySymbolView relationView, Collection<Integer> indices) { |
79 | indices.stream().filter(relationView::invalidIndex).findAny().ifPresent(i -> { | 102 | indices.stream().filter(relationView::invalidIndex).findAny().ifPresent(i -> { |
80 | throw new IllegalArgumentException("Index %d is invalid for %s".formatted(i, relationView)); | 103 | throw new IllegalArgumentException("Index %d is invalid for %s".formatted(i, relationView)); |
81 | }); | 104 | }); |
82 | } | 105 | } |
83 | 106 | ||
84 | public AnyRelationView checkKey(IInputKey key) { | 107 | public AnySymbolView checkKey(IInputKey key) { |
85 | if (!(key instanceof RelationViewWrapper wrapper)) { | 108 | if (!(key instanceof SymbolViewWrapper wrapper)) { |
86 | throw new IllegalArgumentException("The input key %s is not a valid input key".formatted(key)); | 109 | throw new IllegalArgumentException("The input key %s is not a valid input key".formatted(key)); |
87 | } | 110 | } |
88 | var relationView = wrapper.getWrappedKey(); | 111 | var symbolView = wrapper.getWrappedKey(); |
89 | if (!inputKeys.containsKey(relationView)) { | 112 | if (!inputKeys.containsKey(symbolView)) { |
90 | throw new IllegalArgumentException("The input key %s is not present in the model".formatted(key)); | 113 | throw new IllegalArgumentException("The input key %s is not present in the model".formatted(key)); |
91 | } | 114 | } |
92 | return relationView; | 115 | return symbolView; |
93 | } | 116 | } |
94 | } | 117 | } |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalRuntimeContext.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalRuntimeContext.java index 01d20d3e..0f2daca8 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalRuntimeContext.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/context/RelationalRuntimeContext.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.context; | 6 | package tools.refinery.store.query.viatra.internal.context; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.matchers.context.*; | 8 | import org.eclipse.viatra.query.runtime.matchers.context.*; |
@@ -8,9 +13,9 @@ import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | |||
8 | import org.eclipse.viatra.query.runtime.matchers.util.Accuracy; | 13 | import org.eclipse.viatra.query.runtime.matchers.util.Accuracy; |
9 | import tools.refinery.store.model.Model; | 14 | import tools.refinery.store.model.Model; |
10 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | 15 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; |
11 | import tools.refinery.store.query.viatra.internal.pquery.RelationViewWrapper; | 16 | import tools.refinery.store.query.viatra.internal.pquery.SymbolViewWrapper; |
12 | import tools.refinery.store.query.viatra.internal.update.ModelUpdateListener; | 17 | import tools.refinery.store.query.viatra.internal.update.ModelUpdateListener; |
13 | import tools.refinery.store.query.view.AnyRelationView; | 18 | import tools.refinery.store.query.view.AnySymbolView; |
14 | 19 | ||
15 | import java.lang.reflect.InvocationTargetException; | 20 | import java.lang.reflect.InvocationTargetException; |
16 | import java.util.Iterator; | 21 | import java.util.Iterator; |
@@ -54,8 +59,9 @@ public class RelationalRuntimeContext implements IQueryRuntimeContext { | |||
54 | 59 | ||
55 | @Override | 60 | @Override |
56 | public boolean isIndexed(IInputKey key, IndexingService service) { | 61 | public boolean isIndexed(IInputKey key, IndexingService service) { |
57 | if (key instanceof AnyRelationView relationalKey) { | 62 | if (key instanceof SymbolViewWrapper wrapper) { |
58 | return this.modelUpdateListener.containsRelationView(relationalKey); | 63 | var symbolViewKey = wrapper.getWrappedKey(); |
64 | return this.modelUpdateListener.containsSymbolView(symbolViewKey); | ||
59 | } else { | 65 | } else { |
60 | return false; | 66 | return false; |
61 | } | 67 | } |
@@ -68,13 +74,13 @@ public class RelationalRuntimeContext implements IQueryRuntimeContext { | |||
68 | } | 74 | } |
69 | } | 75 | } |
70 | 76 | ||
71 | AnyRelationView checkKey(IInputKey key) { | 77 | AnySymbolView checkKey(IInputKey key) { |
72 | if (key instanceof RelationViewWrapper wrappedKey) { | 78 | if (key instanceof SymbolViewWrapper wrappedKey) { |
73 | var relationViewKey = wrappedKey.getWrappedKey(); | 79 | var symbolViewKey = wrappedKey.getWrappedKey(); |
74 | if (modelUpdateListener.containsRelationView(relationViewKey)) { | 80 | if (modelUpdateListener.containsSymbolView(symbolViewKey)) { |
75 | return relationViewKey; | 81 | return symbolViewKey; |
76 | } else { | 82 | } else { |
77 | throw new IllegalStateException("Query is asking for non-indexed key %s".formatted(relationViewKey)); | 83 | throw new IllegalStateException("Query is asking for non-indexed key %s".formatted(symbolViewKey)); |
78 | } | 84 | } |
79 | } else { | 85 | } else { |
80 | throw new IllegalStateException("Query is asking for non-relational key"); | 86 | throw new IllegalStateException("Query is asking for non-relational key"); |
@@ -83,10 +89,7 @@ public class RelationalRuntimeContext implements IQueryRuntimeContext { | |||
83 | 89 | ||
84 | @Override | 90 | @Override |
85 | public int countTuples(IInputKey key, TupleMask seedMask, ITuple seed) { | 91 | public int countTuples(IInputKey key, TupleMask seedMask, ITuple seed) { |
86 | var relationViewKey = checkKey(key); | 92 | Iterator<Object[]> iterator = enumerate(key, seedMask, seed).iterator(); |
87 | Iterable<Object[]> allObjects = relationViewKey.getAll(model); | ||
88 | Iterable<Object[]> filteredBySeed = filter(allObjects, objectArray -> isMatching(objectArray, seedMask, seed)); | ||
89 | Iterator<Object[]> iterator = filteredBySeed.iterator(); | ||
90 | int result = 0; | 93 | int result = 0; |
91 | while (iterator.hasNext()) { | 94 | while (iterator.hasNext()) { |
92 | iterator.next(); | 95 | iterator.next(); |
@@ -102,13 +105,25 @@ public class RelationalRuntimeContext implements IQueryRuntimeContext { | |||
102 | 105 | ||
103 | @Override | 106 | @Override |
104 | public Iterable<Tuple> enumerateTuples(IInputKey key, TupleMask seedMask, ITuple seed) { | 107 | public Iterable<Tuple> enumerateTuples(IInputKey key, TupleMask seedMask, ITuple seed) { |
108 | var filteredBySeed = enumerate(key, seedMask, seed); | ||
109 | return map(filteredBySeed, Tuples::flatTupleOf); | ||
110 | } | ||
111 | |||
112 | @Override | ||
113 | public Iterable<?> enumerateValues(IInputKey key, TupleMask seedMask, ITuple seed) { | ||
114 | var index = seedMask.getFirstOmittedIndex().orElseThrow( | ||
115 | () -> new IllegalArgumentException("Seed mask does not omit a value")); | ||
116 | var filteredBySeed = enumerate(key, seedMask, seed); | ||
117 | return map(filteredBySeed, array -> array[index]); | ||
118 | } | ||
119 | |||
120 | private Iterable<Object[]> enumerate(IInputKey key, TupleMask seedMask, ITuple seed) { | ||
105 | var relationViewKey = checkKey(key); | 121 | var relationViewKey = checkKey(key); |
106 | Iterable<Object[]> allObjects = relationViewKey.getAll(model); | 122 | Iterable<Object[]> allObjects = relationViewKey.getAll(model); |
107 | Iterable<Object[]> filteredBySeed = filter(allObjects, objectArray -> isMatching(objectArray, seedMask, seed)); | 123 | return filter(allObjects, objectArray -> isMatching(objectArray, seedMask, seed)); |
108 | return map(filteredBySeed, Tuples::flatTupleOf); | ||
109 | } | 124 | } |
110 | 125 | ||
111 | private boolean isMatching(Object[] tuple, TupleMask seedMask, ITuple seed) { | 126 | private static boolean isMatching(Object[] tuple, TupleMask seedMask, ITuple seed) { |
112 | for (int i = 0; i < seedMask.indices.length; i++) { | 127 | for (int i = 0; i < seedMask.indices.length; i++) { |
113 | final Object seedElement = seed.get(i); | 128 | final Object seedElement = seed.get(i); |
114 | final Object tupleElement = tuple[seedMask.indices[i]]; | 129 | final Object tupleElement = tuple[seedMask.indices[i]]; |
@@ -120,11 +135,6 @@ public class RelationalRuntimeContext implements IQueryRuntimeContext { | |||
120 | } | 135 | } |
121 | 136 | ||
122 | @Override | 137 | @Override |
123 | public Iterable<?> enumerateValues(IInputKey key, TupleMask seedMask, ITuple seed) { | ||
124 | return enumerateTuples(key, seedMask, seed); | ||
125 | } | ||
126 | |||
127 | @Override | ||
128 | public boolean containsTuple(IInputKey key, ITuple seed) { | 138 | public boolean containsTuple(IInputKey key, ITuple seed) { |
129 | var relationViewKey = checkKey(key); | 139 | var relationViewKey = checkKey(key); |
130 | return relationViewKey.get(model, seed.getElements()); | 140 | return relationViewKey.get(model, seed.getElements()); |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/ExtendOperationExecutor.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/ExtendOperationExecutor.java new file mode 100644 index 00000000..37177cbf --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/ExtendOperationExecutor.java | |||
@@ -0,0 +1,76 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2010-2013, Zoltan Ujhelyi, Akos Horvath, Istvan Rath and Daniel Varro | ||
3 | * Copyright (c) 2023 The Refinery Authors <https://refinery.tools/> | ||
4 | * This program and the accompanying materials are made available under the | ||
5 | * terms of the Eclipse Public License v. 2.0 which is available at | ||
6 | * http://www.eclipse.org/legal/epl-v20.html. | ||
7 | * SPDX-License-Identifier: EPL-2.0 | ||
8 | *******************************************************************************/ | ||
9 | package tools.refinery.store.query.viatra.internal.localsearch; | ||
10 | |||
11 | import org.eclipse.viatra.query.runtime.localsearch.MatchingFrame; | ||
12 | import org.eclipse.viatra.query.runtime.localsearch.matcher.ISearchContext; | ||
13 | import org.eclipse.viatra.query.runtime.localsearch.operations.ISearchOperation.ISearchOperationExecutor; | ||
14 | |||
15 | import java.util.Iterator; | ||
16 | |||
17 | /** | ||
18 | * An operation that can be used to enumerate all possible values for a single position based on a constraint | ||
19 | * @author Zoltan Ujhelyi, Akos Horvath | ||
20 | * @since 2.0 | ||
21 | */ | ||
22 | abstract class ExtendOperationExecutor<T> implements ISearchOperationExecutor { | ||
23 | |||
24 | private Iterator<? extends T> it; | ||
25 | |||
26 | /** | ||
27 | * Returns an iterator with the possible options from the current state | ||
28 | * @since 2.0 | ||
29 | */ | ||
30 | @SuppressWarnings("squid:S1452") | ||
31 | protected abstract Iterator<? extends T> getIterator(MatchingFrame frame, ISearchContext context); | ||
32 | /** | ||
33 | * Updates the frame with the next element of the iterator. Called during {@link #execute(MatchingFrame, ISearchContext)}. | ||
34 | * | ||
35 | * @return true if the update is successful or false otherwise; in case of false is returned, the next element should be taken from the iterator. | ||
36 | * @since 2.0 | ||
37 | */ | ||
38 | protected abstract boolean fillInValue(T newValue, MatchingFrame frame, ISearchContext context); | ||
39 | |||
40 | /** | ||
41 | * Restores the frame to the state before {@link #fillInValue(Object, MatchingFrame, ISearchContext)}. Called during | ||
42 | * {@link #onBacktrack(MatchingFrame, ISearchContext)}. | ||
43 | * | ||
44 | * @since 2.0 | ||
45 | */ | ||
46 | protected abstract void cleanup(MatchingFrame frame, ISearchContext context); | ||
47 | |||
48 | @Override | ||
49 | public void onInitialize(MatchingFrame frame, ISearchContext context) { | ||
50 | it = getIterator(frame, context); | ||
51 | } | ||
52 | |||
53 | @Override | ||
54 | public void onBacktrack(MatchingFrame frame, ISearchContext context) { | ||
55 | it = null; | ||
56 | |||
57 | } | ||
58 | |||
59 | /** | ||
60 | * Fixed version of {@link org.eclipse.viatra.query.runtime.localsearch.operations.ExtendOperationExecutor#execute} | ||
61 | * that handles failed unification of variables correctly. | ||
62 | * @param frame The matching frame to extend. | ||
63 | * @param context The search context. | ||
64 | * @return {@code true} if an extension was found, {@code false} otherwise. | ||
65 | */ | ||
66 | @Override | ||
67 | public boolean execute(MatchingFrame frame, ISearchContext context) { | ||
68 | while (it.hasNext()) { | ||
69 | var newValue = it.next(); | ||
70 | if (fillInValue(newValue, frame, context)) { | ||
71 | return true; | ||
72 | } | ||
73 | } | ||
74 | return false; | ||
75 | } | ||
76 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/ExtendPositivePatternCall.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/ExtendPositivePatternCall.java new file mode 100644 index 00000000..9d48c785 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/ExtendPositivePatternCall.java | |||
@@ -0,0 +1,117 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2010-2016, Grill Balázs, IncQueryLabs | ||
3 | * Copyright (c) 2023 The Refinery Authors <https://refinery.tools/> | ||
4 | * This program and the accompanying materials are made available under the | ||
5 | * terms of the Eclipse Public License v. 2.0 which is available at | ||
6 | * http://www.eclipse.org/legal/epl-v20.html. | ||
7 | * SPDX-License-Identifier: EPL-2.0 | ||
8 | *******************************************************************************/ | ||
9 | package tools.refinery.store.query.viatra.internal.localsearch; | ||
10 | |||
11 | import org.eclipse.viatra.query.runtime.localsearch.MatchingFrame; | ||
12 | import org.eclipse.viatra.query.runtime.localsearch.matcher.ISearchContext; | ||
13 | import org.eclipse.viatra.query.runtime.localsearch.operations.IPatternMatcherOperation; | ||
14 | import org.eclipse.viatra.query.runtime.localsearch.operations.ISearchOperation; | ||
15 | import org.eclipse.viatra.query.runtime.localsearch.operations.util.CallInformation; | ||
16 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryResultProvider; | ||
17 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple; | ||
18 | import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask; | ||
19 | import org.eclipse.viatra.query.runtime.matchers.tuple.VolatileModifiableMaskedTuple; | ||
20 | |||
21 | import java.util.Iterator; | ||
22 | import java.util.List; | ||
23 | import java.util.function.Function; | ||
24 | |||
25 | /** | ||
26 | * @author Grill Balázs | ||
27 | * @since 1.4 | ||
28 | * | ||
29 | */ | ||
30 | public class ExtendPositivePatternCall implements ISearchOperation, IPatternMatcherOperation { | ||
31 | |||
32 | private class Executor extends ExtendOperationExecutor<Tuple> { | ||
33 | private final VolatileModifiableMaskedTuple maskedTuple; | ||
34 | |||
35 | public Executor() { | ||
36 | maskedTuple = new VolatileModifiableMaskedTuple(information.getThinFrameMask()); | ||
37 | } | ||
38 | |||
39 | @Override | ||
40 | protected Iterator<? extends Tuple> getIterator(MatchingFrame frame, ISearchContext context) { | ||
41 | maskedTuple.updateTuple(frame); | ||
42 | IQueryResultProvider matcher = context.getMatcher(information.getCallWithAdornment()); | ||
43 | return matcher.getAllMatches(information.getParameterMask(), maskedTuple).iterator(); | ||
44 | } | ||
45 | |||
46 | /** | ||
47 | * @since 2.0 | ||
48 | */ | ||
49 | @Override | ||
50 | protected boolean fillInValue(Tuple result, MatchingFrame frame, ISearchContext context) { | ||
51 | TupleMask mask = information.getFullFrameMask(); | ||
52 | // The first loop clears out the elements from a possible previous iteration | ||
53 | for(int i : information.getFreeParameterIndices()) { | ||
54 | mask.set(frame, i, null); | ||
55 | } | ||
56 | for(int i : information.getFreeParameterIndices()) { | ||
57 | Object oldValue = mask.getValue(frame, i); | ||
58 | Object valueToFill = result.get(i); | ||
59 | if (oldValue != null && !oldValue.equals(valueToFill)){ | ||
60 | // If the inverse map contains more than one values for the same key, it means that these arguments are unified by the caller. | ||
61 | // In this case if the callee assigns different values the frame shall be dropped | ||
62 | return false; | ||
63 | } | ||
64 | mask.set(frame, i, valueToFill); | ||
65 | } | ||
66 | return true; | ||
67 | } | ||
68 | |||
69 | @Override | ||
70 | protected void cleanup(MatchingFrame frame, ISearchContext context) { | ||
71 | TupleMask mask = information.getFullFrameMask(); | ||
72 | for(int i : information.getFreeParameterIndices()){ | ||
73 | mask.set(frame, i, null); | ||
74 | } | ||
75 | |||
76 | } | ||
77 | |||
78 | @Override | ||
79 | public ISearchOperation getOperation() { | ||
80 | return ExtendPositivePatternCall.this; | ||
81 | } | ||
82 | } | ||
83 | |||
84 | private final CallInformation information; | ||
85 | |||
86 | /** | ||
87 | * @since 1.7 | ||
88 | */ | ||
89 | public ExtendPositivePatternCall(CallInformation information) { | ||
90 | this.information = information; | ||
91 | } | ||
92 | |||
93 | @Override | ||
94 | public ISearchOperationExecutor createExecutor() { | ||
95 | return new Executor(); | ||
96 | } | ||
97 | |||
98 | @Override | ||
99 | public List<Integer> getVariablePositions() { | ||
100 | return information.getVariablePositions(); | ||
101 | } | ||
102 | |||
103 | @Override | ||
104 | public String toString() { | ||
105 | return toString(Object::toString); | ||
106 | } | ||
107 | |||
108 | @Override | ||
109 | public String toString(@SuppressWarnings("squid:S4276") Function<Integer, String> variableMapping) { | ||
110 | return "extend find " + information.toString(variableMapping); | ||
111 | } | ||
112 | |||
113 | @Override | ||
114 | public CallInformation getCallInformation() { | ||
115 | return information; | ||
116 | } | ||
117 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/FlatCostFunction.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/FlatCostFunction.java new file mode 100644 index 00000000..cc906f22 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/FlatCostFunction.java | |||
@@ -0,0 +1,35 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.localsearch; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.localsearch.planner.cost.IConstraintEvaluationContext; | ||
9 | import org.eclipse.viatra.query.runtime.localsearch.planner.cost.impl.StatisticsBasedConstraintCostFunction; | ||
10 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | ||
11 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint; | ||
12 | import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask; | ||
13 | import org.eclipse.viatra.query.runtime.matchers.util.Accuracy; | ||
14 | |||
15 | import java.util.Optional; | ||
16 | |||
17 | public class FlatCostFunction extends StatisticsBasedConstraintCostFunction { | ||
18 | public FlatCostFunction() { | ||
19 | // No inverse navigation penalty thanks to relational storage. | ||
20 | super(0); | ||
21 | } | ||
22 | |||
23 | @Override | ||
24 | public Optional<Long> projectionSize(IConstraintEvaluationContext input, IInputKey supplierKey, TupleMask groupMask, Accuracy requiredAccuracy) { | ||
25 | // We always start from an empty model, where every projection is of size 0. | ||
26 | // Therefore, projection size estimation is meaningless. | ||
27 | return Optional.empty(); | ||
28 | } | ||
29 | |||
30 | @Override | ||
31 | protected double _calculateCost(TypeConstraint constraint, IConstraintEvaluationContext input) { | ||
32 | // Assume a flat cost for each relation. Maybe adjust in the future if we perform indexing? | ||
33 | return DEFAULT_COST; | ||
34 | } | ||
35 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/GenericTypeExtend.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/GenericTypeExtend.java new file mode 100644 index 00000000..96ac4a72 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/GenericTypeExtend.java | |||
@@ -0,0 +1,137 @@ | |||
1 | /******************************************************************************* | ||
2 | * Copyright (c) 2010-2017, Zoltan Ujhelyi, IncQuery Labs Ltd. | ||
3 | * Copyright (c) 2023 The Refinery Authors <https://refinery.tools/> | ||
4 | * This program and the accompanying materials are made available under the | ||
5 | * terms of the Eclipse Public License v. 2.0 which is available at | ||
6 | * http://www.eclipse.org/legal/epl-v20.html. | ||
7 | * SPDX-License-Identifier: EPL-2.0 | ||
8 | *******************************************************************************/ | ||
9 | package tools.refinery.store.query.viatra.internal.localsearch; | ||
10 | |||
11 | import org.eclipse.viatra.query.runtime.localsearch.MatchingFrame; | ||
12 | import org.eclipse.viatra.query.runtime.localsearch.matcher.ISearchContext; | ||
13 | import org.eclipse.viatra.query.runtime.localsearch.operations.IIteratingSearchOperation; | ||
14 | import org.eclipse.viatra.query.runtime.localsearch.operations.ISearchOperation; | ||
15 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | ||
16 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple; | ||
17 | import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask; | ||
18 | import org.eclipse.viatra.query.runtime.matchers.tuple.VolatileMaskedTuple; | ||
19 | import org.eclipse.viatra.query.runtime.matchers.util.Preconditions; | ||
20 | |||
21 | import java.util.*; | ||
22 | import java.util.function.Function; | ||
23 | import java.util.stream.Collectors; | ||
24 | |||
25 | /** | ||
26 | * @author Zoltan Ujhelyi | ||
27 | * @since 1.7 | ||
28 | */ | ||
29 | public class GenericTypeExtend implements IIteratingSearchOperation { | ||
30 | private class Executor extends ExtendOperationExecutor<Tuple> { | ||
31 | private final VolatileMaskedTuple maskedTuple; | ||
32 | |||
33 | public Executor() { | ||
34 | this.maskedTuple = new VolatileMaskedTuple(callMask); | ||
35 | } | ||
36 | |||
37 | @Override | ||
38 | protected Iterator<? extends Tuple> getIterator(MatchingFrame frame, ISearchContext context) { | ||
39 | maskedTuple.updateTuple(frame); | ||
40 | return context.getRuntimeContext().enumerateTuples(type, indexerMask, maskedTuple).iterator(); | ||
41 | } | ||
42 | |||
43 | @Override | ||
44 | protected boolean fillInValue(Tuple newTuple, MatchingFrame frame, ISearchContext context) { | ||
45 | for (Integer position : unboundVariableIndices) { | ||
46 | frame.setValue(position, null); | ||
47 | } | ||
48 | for (int i = 0; i < positions.length; i++) { | ||
49 | Object newValue = newTuple.get(i); | ||
50 | Object oldValue = frame.getValue(positions[i]); | ||
51 | if (oldValue != null && !Objects.equals(oldValue, newValue)) { | ||
52 | // If positions tuple maps more than one values for the same element (e.g. loop), it means that | ||
53 | // these arguments are to unified by the caller. In this case if the callee assigns different values | ||
54 | // the frame shall be considered a failed match | ||
55 | return false; | ||
56 | } | ||
57 | frame.setValue(positions[i], newValue); | ||
58 | } | ||
59 | return true; | ||
60 | } | ||
61 | |||
62 | @Override | ||
63 | protected void cleanup(MatchingFrame frame, ISearchContext context) { | ||
64 | for (Integer position : unboundVariableIndices) { | ||
65 | frame.setValue(position, null); | ||
66 | } | ||
67 | } | ||
68 | |||
69 | @Override | ||
70 | public ISearchOperation getOperation() { | ||
71 | return GenericTypeExtend.this; | ||
72 | } | ||
73 | } | ||
74 | |||
75 | private final IInputKey type; | ||
76 | private final int[] positions; | ||
77 | private final List<Integer> positionList; | ||
78 | private final Set<Integer> unboundVariableIndices; | ||
79 | private final TupleMask indexerMask; | ||
80 | private final TupleMask callMask; | ||
81 | |||
82 | /** | ||
83 | * | ||
84 | * @param type | ||
85 | * the type to execute the extend operation on | ||
86 | * @param positions | ||
87 | * the parameter positions that represent the variables of the input key | ||
88 | * @param unboundVariableIndices | ||
89 | * the set of positions that are bound at the start of the operation | ||
90 | */ | ||
91 | public GenericTypeExtend(IInputKey type, int[] positions, TupleMask callMask, TupleMask indexerMask, Set<Integer> unboundVariableIndices) { | ||
92 | Preconditions.checkArgument(positions.length == type.getArity(), | ||
93 | "The type %s requires %d parameters, but %d positions are provided", type.getPrettyPrintableName(), | ||
94 | type.getArity(), positions.length); | ||
95 | List<Integer> modifiablePositionList = new ArrayList<>(); | ||
96 | for (int position : positions) { | ||
97 | modifiablePositionList.add(position); | ||
98 | } | ||
99 | this.positionList = Collections.unmodifiableList(modifiablePositionList); | ||
100 | this.positions = positions; | ||
101 | this.type = type; | ||
102 | |||
103 | this.unboundVariableIndices = unboundVariableIndices; | ||
104 | this.indexerMask = indexerMask; | ||
105 | this.callMask = callMask; | ||
106 | } | ||
107 | |||
108 | @Override | ||
109 | public IInputKey getIteratedInputKey() { | ||
110 | return type; | ||
111 | } | ||
112 | |||
113 | @Override | ||
114 | public ISearchOperationExecutor createExecutor() { | ||
115 | return new Executor(); | ||
116 | } | ||
117 | |||
118 | @Override | ||
119 | public List<Integer> getVariablePositions() { | ||
120 | return positionList; | ||
121 | } | ||
122 | |||
123 | @Override | ||
124 | public String toString() { | ||
125 | return toString(Object::toString); | ||
126 | } | ||
127 | |||
128 | @Override | ||
129 | public String toString(@SuppressWarnings("squid:S4276") Function<Integer, String> variableMapping) { | ||
130 | return "extend " + type.getPrettyPrintableName() + "(" | ||
131 | + positionList.stream() | ||
132 | .map(input -> String.format("%s%s", unboundVariableIndices.contains(input) ? "-" : "+", variableMapping.apply(input))) | ||
133 | .collect(Collectors.joining(", ")) | ||
134 | + ")"; | ||
135 | } | ||
136 | |||
137 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalLocalSearchBackendFactory.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalLocalSearchBackendFactory.java new file mode 100644 index 00000000..0c77f587 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalLocalSearchBackendFactory.java | |||
@@ -0,0 +1,60 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.localsearch; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.localsearch.matcher.integration.AbstractLocalSearchResultProvider; | ||
9 | import org.eclipse.viatra.query.runtime.localsearch.matcher.integration.LocalSearchBackend; | ||
10 | import org.eclipse.viatra.query.runtime.localsearch.matcher.integration.LocalSearchHints; | ||
11 | import org.eclipse.viatra.query.runtime.localsearch.plan.IPlanProvider; | ||
12 | import org.eclipse.viatra.query.runtime.localsearch.plan.SimplePlanProvider; | ||
13 | import org.eclipse.viatra.query.runtime.matchers.backend.IMatcherCapability; | ||
14 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackend; | ||
15 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackendFactory; | ||
16 | import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint; | ||
17 | import org.eclipse.viatra.query.runtime.matchers.context.IQueryBackendContext; | ||
18 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PQuery; | ||
19 | |||
20 | public class RelationalLocalSearchBackendFactory implements IQueryBackendFactory { | ||
21 | public static final RelationalLocalSearchBackendFactory INSTANCE = new RelationalLocalSearchBackendFactory(); | ||
22 | |||
23 | private RelationalLocalSearchBackendFactory() { | ||
24 | } | ||
25 | |||
26 | @Override | ||
27 | public IQueryBackend create(IQueryBackendContext context) { | ||
28 | return new LocalSearchBackend(context) { | ||
29 | // Create a new {@link IPlanProvider}, because the original {@link LocalSearchBackend#planProvider} is not | ||
30 | // accessible. | ||
31 | private final IPlanProvider planProvider = new SimplePlanProvider(context.getLogger()); | ||
32 | |||
33 | @Override | ||
34 | protected AbstractLocalSearchResultProvider initializeResultProvider(PQuery query, | ||
35 | QueryEvaluationHint hints) { | ||
36 | return new RelationalLocalSearchResultProvider(this, context, query, planProvider, hints); | ||
37 | } | ||
38 | |||
39 | @Override | ||
40 | public IQueryBackendFactory getFactory() { | ||
41 | return RelationalLocalSearchBackendFactory.this; | ||
42 | } | ||
43 | }; | ||
44 | } | ||
45 | |||
46 | @Override | ||
47 | public Class<? extends IQueryBackend> getBackendClass() { | ||
48 | return LocalSearchBackend.class; | ||
49 | } | ||
50 | |||
51 | @Override | ||
52 | public IMatcherCapability calculateRequiredCapability(PQuery pQuery, QueryEvaluationHint queryEvaluationHint) { | ||
53 | return LocalSearchHints.parse(queryEvaluationHint); | ||
54 | } | ||
55 | |||
56 | @Override | ||
57 | public boolean isCaching() { | ||
58 | return false; | ||
59 | } | ||
60 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalLocalSearchResultProvider.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalLocalSearchResultProvider.java new file mode 100644 index 00000000..da37be14 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalLocalSearchResultProvider.java | |||
@@ -0,0 +1,28 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.localsearch; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.localsearch.matcher.integration.AbstractLocalSearchResultProvider; | ||
9 | import org.eclipse.viatra.query.runtime.localsearch.matcher.integration.LocalSearchBackend; | ||
10 | import org.eclipse.viatra.query.runtime.localsearch.matcher.integration.LocalSearchHints; | ||
11 | import org.eclipse.viatra.query.runtime.localsearch.plan.IPlanProvider; | ||
12 | import org.eclipse.viatra.query.runtime.localsearch.planner.compiler.IOperationCompiler; | ||
13 | import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint; | ||
14 | import org.eclipse.viatra.query.runtime.matchers.context.IQueryBackendContext; | ||
15 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PQuery; | ||
16 | |||
17 | class RelationalLocalSearchResultProvider extends AbstractLocalSearchResultProvider { | ||
18 | public RelationalLocalSearchResultProvider(LocalSearchBackend backend, IQueryBackendContext context, PQuery query, | ||
19 | IPlanProvider planProvider, QueryEvaluationHint userHints) { | ||
20 | super(backend, context, query, planProvider, userHints); | ||
21 | } | ||
22 | |||
23 | @Override | ||
24 | protected IOperationCompiler getOperationCompiler(IQueryBackendContext backendContext, | ||
25 | LocalSearchHints configuration) { | ||
26 | return new RelationalOperationCompiler(runtimeContext); | ||
27 | } | ||
28 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalOperationCompiler.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalOperationCompiler.java new file mode 100644 index 00000000..f76ef486 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/localsearch/RelationalOperationCompiler.java | |||
@@ -0,0 +1,70 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.localsearch; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.localsearch.operations.generic.GenericTypeExtendSingleValue; | ||
9 | import org.eclipse.viatra.query.runtime.localsearch.operations.util.CallInformation; | ||
10 | import org.eclipse.viatra.query.runtime.localsearch.planner.compiler.GenericOperationCompiler; | ||
11 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | ||
12 | import org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContext; | ||
13 | import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable; | ||
14 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall; | ||
15 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint; | ||
16 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple; | ||
17 | import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask; | ||
18 | |||
19 | import java.util.*; | ||
20 | |||
21 | public class RelationalOperationCompiler extends GenericOperationCompiler { | ||
22 | public RelationalOperationCompiler(IQueryRuntimeContext runtimeContext) { | ||
23 | super(runtimeContext); | ||
24 | } | ||
25 | |||
26 | @Override | ||
27 | protected void createExtend(TypeConstraint typeConstraint, Map<PVariable, Integer> variableMapping) { | ||
28 | IInputKey inputKey = typeConstraint.getSupplierKey(); | ||
29 | Tuple tuple = typeConstraint.getVariablesTuple(); | ||
30 | |||
31 | int[] positions = new int[tuple.getSize()]; | ||
32 | List<Integer> boundVariableIndices = new ArrayList<>(); | ||
33 | List<Integer> boundVariables = new ArrayList<>(); | ||
34 | Set<Integer> unboundVariables = new HashSet<>(); | ||
35 | for (int i = 0; i < tuple.getSize(); i++) { | ||
36 | PVariable variable = (PVariable) tuple.get(i); | ||
37 | Integer position = variableMapping.get(variable); | ||
38 | positions[i] = position; | ||
39 | if (variableBindings.get(typeConstraint).contains(position)) { | ||
40 | boundVariableIndices.add(i); | ||
41 | boundVariables.add(position); | ||
42 | } else { | ||
43 | unboundVariables.add(position); | ||
44 | } | ||
45 | } | ||
46 | TupleMask indexerMask = TupleMask.fromSelectedIndices(inputKey.getArity(), boundVariableIndices); | ||
47 | TupleMask callMask = TupleMask.fromSelectedIndices(variableMapping.size(), boundVariables); | ||
48 | // If multiple tuple elements from the indexer should be bound to the same variable, we must use a | ||
49 | // {@link GenericTypeExtend} check whether the tuple elements have the same value. | ||
50 | if (unboundVariables.size() == 1 && indexerMask.getSize() + 1 == indexerMask.getSourceWidth()) { | ||
51 | operations.add(new GenericTypeExtendSingleValue(inputKey, positions, callMask, indexerMask, | ||
52 | unboundVariables.iterator().next())); | ||
53 | } else { | ||
54 | // Use a fixed version of | ||
55 | // {@code org.eclipse.viatra.query.runtime.localsearch.operations.generic.GenericTypeExtend} that handles | ||
56 | // failed unification of variables correctly. | ||
57 | operations.add(new GenericTypeExtend(inputKey, positions, callMask, indexerMask, unboundVariables)); | ||
58 | } | ||
59 | } | ||
60 | |||
61 | @Override | ||
62 | protected void createExtend(PositivePatternCall pCall, Map<PVariable, Integer> variableMapping) { | ||
63 | CallInformation information = CallInformation.create(pCall, variableMapping, variableBindings.get(pCall)); | ||
64 | // Use a fixed version of | ||
65 | // {@code org.eclipse.viatra.query.runtime.localsearch.operations.extend.ExtendPositivePatternCall} that handles | ||
66 | // failed unification of variables correctly. | ||
67 | operations.add(new ExtendPositivePatternCall(information)); | ||
68 | dependencies.add(information.getCallWithAdornment()); | ||
69 | } | ||
70 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/AbstractViatraMatcher.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/AbstractViatraMatcher.java new file mode 100644 index 00000000..99b0a3d8 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/AbstractViatraMatcher.java | |||
@@ -0,0 +1,32 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryResultProvider; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.backend.IUpdateable; | ||
10 | import tools.refinery.store.query.dnf.Query; | ||
11 | import tools.refinery.store.query.resultset.AbstractResultSet; | ||
12 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | ||
13 | |||
14 | public abstract class AbstractViatraMatcher<T> extends AbstractResultSet<T> implements IUpdateable { | ||
15 | protected final IQueryResultProvider backend; | ||
16 | |||
17 | protected AbstractViatraMatcher(ViatraModelQueryAdapterImpl adapter, Query<T> query, | ||
18 | RawPatternMatcher rawPatternMatcher) { | ||
19 | super(adapter, query); | ||
20 | backend = rawPatternMatcher.getBackend(); | ||
21 | } | ||
22 | |||
23 | @Override | ||
24 | protected void startListeningForChanges() { | ||
25 | backend.addUpdateListener(this, this, false); | ||
26 | } | ||
27 | |||
28 | @Override | ||
29 | protected void stopListeningForChanges() { | ||
30 | backend.removeUpdateListener(this); | ||
31 | } | ||
32 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/FunctionalCursor.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/FunctionalCursor.java new file mode 100644 index 00000000..47efb2aa --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/FunctionalCursor.java | |||
@@ -0,0 +1,52 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.rete.index.IterableIndexer; | ||
9 | import tools.refinery.store.map.Cursor; | ||
10 | import tools.refinery.store.tuple.Tuple; | ||
11 | |||
12 | import java.util.Iterator; | ||
13 | |||
14 | class FunctionalCursor<T> implements Cursor<Tuple, T> { | ||
15 | private final IterableIndexer indexer; | ||
16 | private final Iterator<org.eclipse.viatra.query.runtime.matchers.tuple.Tuple> iterator; | ||
17 | private boolean terminated; | ||
18 | private Tuple key; | ||
19 | private T value; | ||
20 | |||
21 | public FunctionalCursor(IterableIndexer indexer) { | ||
22 | this.indexer = indexer; | ||
23 | iterator = indexer.getSignatures().iterator(); | ||
24 | } | ||
25 | |||
26 | @Override | ||
27 | public Tuple getKey() { | ||
28 | return key; | ||
29 | } | ||
30 | |||
31 | @Override | ||
32 | public T getValue() { | ||
33 | return value; | ||
34 | } | ||
35 | |||
36 | @Override | ||
37 | public boolean isTerminated() { | ||
38 | return terminated; | ||
39 | } | ||
40 | |||
41 | @Override | ||
42 | public boolean move() { | ||
43 | if (!terminated && iterator.hasNext()) { | ||
44 | var match = iterator.next(); | ||
45 | key = MatcherUtils.toRefineryTuple(match); | ||
46 | value = MatcherUtils.getSingleValue(indexer.get(match)); | ||
47 | return true; | ||
48 | } | ||
49 | terminated = true; | ||
50 | return false; | ||
51 | } | ||
52 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/FunctionalViatraMatcher.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/FunctionalViatraMatcher.java new file mode 100644 index 00000000..db4740cd --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/FunctionalViatraMatcher.java | |||
@@ -0,0 +1,88 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | ||
10 | import org.eclipse.viatra.query.runtime.rete.index.IterableIndexer; | ||
11 | import org.eclipse.viatra.query.runtime.rete.matcher.RetePatternMatcher; | ||
12 | import tools.refinery.store.map.Cursor; | ||
13 | import tools.refinery.store.query.dnf.FunctionalQuery; | ||
14 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | ||
15 | import tools.refinery.store.tuple.Tuple; | ||
16 | |||
17 | /** | ||
18 | * Directly access the tuples inside a VIATRA pattern matcher.<p> | ||
19 | * This class neglects calling | ||
20 | * {@link org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContext#wrapTuple(org.eclipse.viatra.query.runtime.matchers.tuple.Tuple)} | ||
21 | * and | ||
22 | * {@link org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContext#unwrapTuple(org.eclipse.viatra.query.runtime.matchers.tuple.Tuple)}, | ||
23 | * because {@link tools.refinery.store.query.viatra.internal.context.RelationalRuntimeContext} provides a trivial | ||
24 | * implementation for these methods. | ||
25 | * Using this class with any other runtime context may lead to undefined behavior. | ||
26 | */ | ||
27 | public class FunctionalViatraMatcher<T> extends AbstractViatraMatcher<T> { | ||
28 | private final TupleMask emptyMask; | ||
29 | private final TupleMask omitOutputMask; | ||
30 | private final IterableIndexer omitOutputIndexer; | ||
31 | |||
32 | public FunctionalViatraMatcher(ViatraModelQueryAdapterImpl adapter, FunctionalQuery<T> query, | ||
33 | RawPatternMatcher rawPatternMatcher) { | ||
34 | super(adapter, query, rawPatternMatcher); | ||
35 | int arity = query.arity(); | ||
36 | int arityWithOutput = arity + 1; | ||
37 | emptyMask = TupleMask.empty(arityWithOutput); | ||
38 | omitOutputMask = TupleMask.omit(arity, arityWithOutput); | ||
39 | if (backend instanceof RetePatternMatcher reteBackend) { | ||
40 | var maybeIterableOmitOutputIndexer = IndexerUtils.getIndexer(reteBackend, omitOutputMask); | ||
41 | if (maybeIterableOmitOutputIndexer instanceof IterableIndexer iterableOmitOutputIndexer) { | ||
42 | omitOutputIndexer = iterableOmitOutputIndexer; | ||
43 | } else { | ||
44 | omitOutputIndexer = null; | ||
45 | } | ||
46 | } else { | ||
47 | omitOutputIndexer = null; | ||
48 | } | ||
49 | } | ||
50 | |||
51 | @Override | ||
52 | public T get(Tuple parameters) { | ||
53 | var tuple = MatcherUtils.toViatraTuple(parameters); | ||
54 | if (omitOutputIndexer == null) { | ||
55 | return MatcherUtils.getSingleValue(backend.getAllMatches(omitOutputMask, tuple).iterator()); | ||
56 | } else { | ||
57 | return MatcherUtils.getSingleValue(omitOutputIndexer.get(tuple)); | ||
58 | } | ||
59 | } | ||
60 | |||
61 | @Override | ||
62 | public Cursor<Tuple, T> getAll() { | ||
63 | if (omitOutputIndexer == null) { | ||
64 | var allMatches = backend.getAllMatches(emptyMask, Tuples.staticArityFlatTupleOf()); | ||
65 | return new UnsafeFunctionalCursor<>(allMatches.iterator()); | ||
66 | } | ||
67 | return new FunctionalCursor<>(omitOutputIndexer); | ||
68 | } | ||
69 | |||
70 | @Override | ||
71 | public int size() { | ||
72 | if (omitOutputIndexer == null) { | ||
73 | return backend.countMatches(emptyMask, Tuples.staticArityFlatTupleOf()); | ||
74 | } | ||
75 | return omitOutputIndexer.getBucketCount(); | ||
76 | } | ||
77 | |||
78 | @Override | ||
79 | public void update(org.eclipse.viatra.query.runtime.matchers.tuple.Tuple updateElement, boolean isInsertion) { | ||
80 | var key = MatcherUtils.keyToRefineryTuple(updateElement); | ||
81 | var value = MatcherUtils.<T>getValue(updateElement); | ||
82 | if (isInsertion) { | ||
83 | notifyChange(key, null, value); | ||
84 | } else { | ||
85 | notifyChange(key, value, null); | ||
86 | } | ||
87 | } | ||
88 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/IndexerUtils.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/IndexerUtils.java new file mode 100644 index 00000000..15f00b2d --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/IndexerUtils.java | |||
@@ -0,0 +1,53 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask; | ||
9 | import org.eclipse.viatra.query.runtime.rete.index.Indexer; | ||
10 | import org.eclipse.viatra.query.runtime.rete.matcher.ReteEngine; | ||
11 | import org.eclipse.viatra.query.runtime.rete.matcher.RetePatternMatcher; | ||
12 | import org.eclipse.viatra.query.runtime.rete.traceability.RecipeTraceInfo; | ||
13 | |||
14 | import java.lang.invoke.MethodHandle; | ||
15 | import java.lang.invoke.MethodHandles; | ||
16 | import java.lang.invoke.MethodType; | ||
17 | |||
18 | final class IndexerUtils { | ||
19 | private static final MethodHandle GET_ENGINE_HANDLE; | ||
20 | private static final MethodHandle GET_PRODUCTION_NODE_TRACE_HANDLE; | ||
21 | private static final MethodHandle ACCESS_PROJECTION_HANDLE; | ||
22 | |||
23 | static { | ||
24 | try { | ||
25 | var lookup = MethodHandles.privateLookupIn(RetePatternMatcher.class, MethodHandles.lookup()); | ||
26 | GET_ENGINE_HANDLE = lookup.findGetter(RetePatternMatcher.class, "engine", ReteEngine.class); | ||
27 | GET_PRODUCTION_NODE_TRACE_HANDLE = lookup.findGetter(RetePatternMatcher.class, "productionNodeTrace", | ||
28 | RecipeTraceInfo.class); | ||
29 | ACCESS_PROJECTION_HANDLE = lookup.findVirtual(ReteEngine.class, "accessProjection", | ||
30 | MethodType.methodType(Indexer.class, RecipeTraceInfo.class, TupleMask.class)); | ||
31 | } catch (IllegalAccessException | NoSuchFieldException | NoSuchMethodException e) { | ||
32 | throw new IllegalStateException("Cannot access private members of %s" | ||
33 | .formatted(RetePatternMatcher.class.getPackageName()), e); | ||
34 | } | ||
35 | } | ||
36 | |||
37 | private IndexerUtils() { | ||
38 | throw new IllegalStateException("This is a static utility class and should not be instantiated directly"); | ||
39 | } | ||
40 | |||
41 | public static Indexer getIndexer(RetePatternMatcher backend, TupleMask mask) { | ||
42 | try { | ||
43 | var engine = (ReteEngine) GET_ENGINE_HANDLE.invokeExact(backend); | ||
44 | var trace = (RecipeTraceInfo) GET_PRODUCTION_NODE_TRACE_HANDLE.invokeExact(backend); | ||
45 | return (Indexer) ACCESS_PROJECTION_HANDLE.invokeExact(engine, trace, mask); | ||
46 | } catch (Error e) { | ||
47 | // Fatal JVM errors should not be wrapped. | ||
48 | throw e; | ||
49 | } catch (Throwable e) { | ||
50 | throw new IllegalStateException("Cannot access matcher for mask " + mask, e); | ||
51 | } | ||
52 | } | ||
53 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/MatcherUtils.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/MatcherUtils.java new file mode 100644 index 00000000..6e24812a --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/MatcherUtils.java | |||
@@ -0,0 +1,115 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.tuple.ITuple; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | ||
10 | import org.jetbrains.annotations.Nullable; | ||
11 | import tools.refinery.store.tuple.*; | ||
12 | |||
13 | import java.util.Iterator; | ||
14 | |||
15 | final class MatcherUtils { | ||
16 | private MatcherUtils() { | ||
17 | throw new IllegalStateException("This is a static utility class and should not be instantiated directly"); | ||
18 | } | ||
19 | |||
20 | public static org.eclipse.viatra.query.runtime.matchers.tuple.Tuple toViatraTuple(Tuple refineryTuple) { | ||
21 | if (refineryTuple instanceof Tuple0) { | ||
22 | return Tuples.staticArityFlatTupleOf(); | ||
23 | } else if (refineryTuple instanceof Tuple1) { | ||
24 | return Tuples.staticArityFlatTupleOf(refineryTuple); | ||
25 | } else if (refineryTuple instanceof Tuple2 tuple2) { | ||
26 | return Tuples.staticArityFlatTupleOf(Tuple.of(tuple2.value0()), Tuple.of(tuple2.value1())); | ||
27 | } else if (refineryTuple instanceof Tuple3 tuple3) { | ||
28 | return Tuples.staticArityFlatTupleOf(Tuple.of(tuple3.value0()), Tuple.of(tuple3.value1()), | ||
29 | Tuple.of(tuple3.value2())); | ||
30 | } else if (refineryTuple instanceof Tuple4 tuple4) { | ||
31 | return Tuples.staticArityFlatTupleOf(Tuple.of(tuple4.value0()), Tuple.of(tuple4.value1()), | ||
32 | Tuple.of(tuple4.value2()), Tuple.of(tuple4.value3())); | ||
33 | } else { | ||
34 | int arity = refineryTuple.getSize(); | ||
35 | var values = new Object[arity]; | ||
36 | for (int i = 0; i < arity; i++) { | ||
37 | values[i] = Tuple.of(refineryTuple.get(i)); | ||
38 | } | ||
39 | return Tuples.flatTupleOf(values); | ||
40 | } | ||
41 | } | ||
42 | |||
43 | public static Tuple toRefineryTuple(ITuple viatraTuple) { | ||
44 | int arity = viatraTuple.getSize(); | ||
45 | if (arity == 1) { | ||
46 | return getWrapper(viatraTuple, 0); | ||
47 | } | ||
48 | return prefixToRefineryTuple(viatraTuple, viatraTuple.getSize()); | ||
49 | } | ||
50 | |||
51 | public static Tuple keyToRefineryTuple(ITuple viatraTuple) { | ||
52 | return prefixToRefineryTuple(viatraTuple, viatraTuple.getSize() - 1); | ||
53 | } | ||
54 | |||
55 | private static Tuple prefixToRefineryTuple(ITuple viatraTuple, int targetArity) { | ||
56 | if (targetArity < 0) { | ||
57 | throw new IllegalArgumentException("Requested negative prefix %d of %s" | ||
58 | .formatted(targetArity, viatraTuple)); | ||
59 | } | ||
60 | return switch (targetArity) { | ||
61 | case 0 -> Tuple.of(); | ||
62 | case 1 -> Tuple.of(unwrap(viatraTuple, 0)); | ||
63 | case 2 -> Tuple.of(unwrap(viatraTuple, 0), unwrap(viatraTuple, 1)); | ||
64 | case 3 -> Tuple.of(unwrap(viatraTuple, 0), unwrap(viatraTuple, 1), unwrap(viatraTuple, 2)); | ||
65 | case 4 -> Tuple.of(unwrap(viatraTuple, 0), unwrap(viatraTuple, 1), unwrap(viatraTuple, 2), | ||
66 | unwrap(viatraTuple, 3)); | ||
67 | default -> { | ||
68 | var entries = new int[targetArity]; | ||
69 | for (int i = 0; i < targetArity; i++) { | ||
70 | entries[i] = unwrap(viatraTuple, i); | ||
71 | } | ||
72 | yield Tuple.of(entries); | ||
73 | } | ||
74 | }; | ||
75 | } | ||
76 | |||
77 | private static Tuple1 getWrapper(ITuple viatraTuple, int index) { | ||
78 | if (!((viatraTuple.get(index)) instanceof Tuple1 wrappedObjectId)) { | ||
79 | throw new IllegalArgumentException("Element %d of tuple %s is not an object id" | ||
80 | .formatted(index, viatraTuple)); | ||
81 | } | ||
82 | return wrappedObjectId; | ||
83 | } | ||
84 | |||
85 | private static int unwrap(ITuple viatraTuple, int index) { | ||
86 | return getWrapper(viatraTuple, index).value0(); | ||
87 | } | ||
88 | |||
89 | public static <T> T getValue(ITuple match) { | ||
90 | // This is only safe if we know for sure that match came from a functional query of type {@code T}. | ||
91 | @SuppressWarnings("unchecked") | ||
92 | var result = (T) match.get(match.getSize() - 1); | ||
93 | return result; | ||
94 | } | ||
95 | |||
96 | public static <T> T getSingleValue(@Nullable Iterable<? extends ITuple> viatraTuples) { | ||
97 | if (viatraTuples == null) { | ||
98 | return null; | ||
99 | } | ||
100 | return getSingleValue(viatraTuples.iterator()); | ||
101 | } | ||
102 | |||
103 | public static <T> T getSingleValue(Iterator<? extends ITuple> iterator) { | ||
104 | if (!iterator.hasNext()) { | ||
105 | return null; | ||
106 | } | ||
107 | var match = iterator.next(); | ||
108 | var result = MatcherUtils.<T>getValue(match); | ||
109 | if (iterator.hasNext()) { | ||
110 | var input = keyToRefineryTuple(match); | ||
111 | throw new IllegalStateException("Query is not functional for input tuple: " + input); | ||
112 | } | ||
113 | return result; | ||
114 | } | ||
115 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RawPatternMatcher.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RawPatternMatcher.java new file mode 100644 index 00000000..5b82c4b7 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RawPatternMatcher.java | |||
@@ -0,0 +1,20 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.api.GenericPatternMatcher; | ||
9 | import org.eclipse.viatra.query.runtime.api.GenericQuerySpecification; | ||
10 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryResultProvider; | ||
11 | |||
12 | public class RawPatternMatcher extends GenericPatternMatcher { | ||
13 | public RawPatternMatcher(GenericQuerySpecification<? extends GenericPatternMatcher> specification) { | ||
14 | super(specification); | ||
15 | } | ||
16 | |||
17 | IQueryResultProvider getBackend() { | ||
18 | return backend; | ||
19 | } | ||
20 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RelationalCursor.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RelationalCursor.java new file mode 100644 index 00000000..1dc8f5db --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RelationalCursor.java | |||
@@ -0,0 +1,47 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.tuple.ITuple; | ||
9 | import tools.refinery.store.map.Cursor; | ||
10 | import tools.refinery.store.tuple.Tuple; | ||
11 | |||
12 | import java.util.Iterator; | ||
13 | |||
14 | class RelationalCursor implements Cursor<Tuple, Boolean> { | ||
15 | private final Iterator<? extends ITuple> tuplesIterator; | ||
16 | private boolean terminated; | ||
17 | private Tuple key; | ||
18 | |||
19 | public RelationalCursor(Iterator<? extends ITuple> tuplesIterator) { | ||
20 | this.tuplesIterator = tuplesIterator; | ||
21 | } | ||
22 | |||
23 | @Override | ||
24 | public Tuple getKey() { | ||
25 | return key; | ||
26 | } | ||
27 | |||
28 | @Override | ||
29 | public Boolean getValue() { | ||
30 | return true; | ||
31 | } | ||
32 | |||
33 | @Override | ||
34 | public boolean isTerminated() { | ||
35 | return terminated; | ||
36 | } | ||
37 | |||
38 | @Override | ||
39 | public boolean move() { | ||
40 | if (!terminated && tuplesIterator.hasNext()) { | ||
41 | key = MatcherUtils.toRefineryTuple(tuplesIterator.next()); | ||
42 | return true; | ||
43 | } | ||
44 | terminated = true; | ||
45 | return false; | ||
46 | } | ||
47 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RelationalViatraMatcher.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RelationalViatraMatcher.java new file mode 100644 index 00000000..ac95dcc0 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/RelationalViatraMatcher.java | |||
@@ -0,0 +1,80 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | ||
10 | import org.eclipse.viatra.query.runtime.rete.index.Indexer; | ||
11 | import org.eclipse.viatra.query.runtime.rete.matcher.RetePatternMatcher; | ||
12 | import tools.refinery.store.map.Cursor; | ||
13 | import tools.refinery.store.map.Cursors; | ||
14 | import tools.refinery.store.query.dnf.RelationalQuery; | ||
15 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | ||
16 | import tools.refinery.store.tuple.Tuple; | ||
17 | |||
18 | /** | ||
19 | * Directly access the tuples inside a VIATRA pattern matcher.<p> | ||
20 | * This class neglects calling | ||
21 | * {@link org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContext#wrapTuple(org.eclipse.viatra.query.runtime.matchers.tuple.Tuple)} | ||
22 | * and | ||
23 | * {@link org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContext#unwrapTuple(org.eclipse.viatra.query.runtime.matchers.tuple.Tuple)}, | ||
24 | * because {@link tools.refinery.store.query.viatra.internal.context.RelationalRuntimeContext} provides a trivial | ||
25 | * implementation for these methods. | ||
26 | * Using this class with any other runtime context may lead to undefined behavior. | ||
27 | */ | ||
28 | public class RelationalViatraMatcher extends AbstractViatraMatcher<Boolean> { | ||
29 | private final TupleMask emptyMask; | ||
30 | private final TupleMask identityMask; | ||
31 | private final Indexer emptyMaskIndexer; | ||
32 | |||
33 | public RelationalViatraMatcher(ViatraModelQueryAdapterImpl adapter, RelationalQuery query, | ||
34 | RawPatternMatcher rawPatternMatcher) { | ||
35 | super(adapter, query, rawPatternMatcher); | ||
36 | int arity = query.arity(); | ||
37 | emptyMask = TupleMask.empty(arity); | ||
38 | identityMask = TupleMask.identity(arity); | ||
39 | if (backend instanceof RetePatternMatcher reteBackend) { | ||
40 | emptyMaskIndexer = IndexerUtils.getIndexer(reteBackend, emptyMask); | ||
41 | } else { | ||
42 | emptyMaskIndexer = null; | ||
43 | } | ||
44 | } | ||
45 | |||
46 | @Override | ||
47 | public Boolean get(Tuple parameters) { | ||
48 | var tuple = MatcherUtils.toViatraTuple(parameters); | ||
49 | if (emptyMaskIndexer == null) { | ||
50 | return backend.hasMatch(identityMask, tuple); | ||
51 | } | ||
52 | var matches = emptyMaskIndexer.get(Tuples.staticArityFlatTupleOf()); | ||
53 | return matches != null && matches.contains(tuple); | ||
54 | } | ||
55 | |||
56 | @Override | ||
57 | public Cursor<Tuple, Boolean> getAll() { | ||
58 | if (emptyMaskIndexer == null) { | ||
59 | var allMatches = backend.getAllMatches(emptyMask, Tuples.staticArityFlatTupleOf()); | ||
60 | return new RelationalCursor(allMatches.iterator()); | ||
61 | } | ||
62 | var matches = emptyMaskIndexer.get(Tuples.staticArityFlatTupleOf()); | ||
63 | return matches == null ? Cursors.empty() : new RelationalCursor(matches.stream().iterator()); | ||
64 | } | ||
65 | |||
66 | @Override | ||
67 | public int size() { | ||
68 | if (emptyMaskIndexer == null) { | ||
69 | return backend.countMatches(emptyMask, Tuples.staticArityFlatTupleOf()); | ||
70 | } | ||
71 | var matches = emptyMaskIndexer.get(Tuples.staticArityFlatTupleOf()); | ||
72 | return matches == null ? 0 : matches.size(); | ||
73 | } | ||
74 | |||
75 | @Override | ||
76 | public void update(org.eclipse.viatra.query.runtime.matchers.tuple.Tuple updateElement, boolean isInsertion) { | ||
77 | var key = MatcherUtils.toRefineryTuple(updateElement); | ||
78 | notifyChange(key, !isInsertion, isInsertion); | ||
79 | } | ||
80 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/UnsafeFunctionalCursor.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/UnsafeFunctionalCursor.java new file mode 100644 index 00000000..b0b507fe --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/matcher/UnsafeFunctionalCursor.java | |||
@@ -0,0 +1,55 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.matcher; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.tuple.ITuple; | ||
9 | import tools.refinery.store.map.Cursor; | ||
10 | import tools.refinery.store.tuple.Tuple; | ||
11 | |||
12 | import java.util.Iterator; | ||
13 | |||
14 | /** | ||
15 | * Cursor for a functional result set that iterates over a stream of raw matches and doesn't check whether the | ||
16 | * functional dependency of the output on the inputs is obeyed. | ||
17 | * @param <T> The output type. | ||
18 | */ | ||
19 | class UnsafeFunctionalCursor<T> implements Cursor<Tuple, T> { | ||
20 | private final Iterator<? extends ITuple> tuplesIterator; | ||
21 | private boolean terminated; | ||
22 | private Tuple key; | ||
23 | private T value; | ||
24 | |||
25 | public UnsafeFunctionalCursor(Iterator<? extends ITuple> tuplesIterator) { | ||
26 | this.tuplesIterator = tuplesIterator; | ||
27 | } | ||
28 | |||
29 | @Override | ||
30 | public Tuple getKey() { | ||
31 | return key; | ||
32 | } | ||
33 | |||
34 | @Override | ||
35 | public T getValue() { | ||
36 | return value; | ||
37 | } | ||
38 | |||
39 | @Override | ||
40 | public boolean isTerminated() { | ||
41 | return terminated; | ||
42 | } | ||
43 | |||
44 | @Override | ||
45 | public boolean move() { | ||
46 | if (!terminated && tuplesIterator.hasNext()) { | ||
47 | var match = tuplesIterator.next(); | ||
48 | key = MatcherUtils.keyToRefineryTuple(match); | ||
49 | value = MatcherUtils.getValue(match); | ||
50 | return true; | ||
51 | } | ||
52 | terminated = true; | ||
53 | return false; | ||
54 | } | ||
55 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/AssumptionEvaluator.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/AssumptionEvaluator.java new file mode 100644 index 00000000..cf127291 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/AssumptionEvaluator.java | |||
@@ -0,0 +1,21 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.pquery; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider; | ||
9 | import tools.refinery.store.query.term.Term; | ||
10 | |||
11 | class AssumptionEvaluator extends TermEvaluator<Boolean> { | ||
12 | public AssumptionEvaluator(Term<Boolean> term) { | ||
13 | super(term); | ||
14 | } | ||
15 | |||
16 | @Override | ||
17 | public Object evaluateExpression(IValueProvider provider) { | ||
18 | var result = super.evaluateExpression(provider); | ||
19 | return result == null ? Boolean.FALSE : result; | ||
20 | } | ||
21 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/DNF2PQuery.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/DNF2PQuery.java deleted file mode 100644 index 60f1bcae..00000000 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/DNF2PQuery.java +++ /dev/null | |||
@@ -1,223 +0,0 @@ | |||
1 | package tools.refinery.store.query.viatra.internal.pquery; | ||
2 | |||
3 | import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint; | ||
4 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | ||
5 | import org.eclipse.viatra.query.runtime.matchers.psystem.PBody; | ||
6 | import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable; | ||
7 | import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation; | ||
8 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter; | ||
10 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Inequality; | ||
11 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall; | ||
12 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.BinaryTransitiveClosure; | ||
13 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue; | ||
14 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall; | ||
15 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint; | ||
16 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter; | ||
17 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility; | ||
18 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple; | ||
19 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | ||
20 | import tools.refinery.store.query.DNF; | ||
21 | import tools.refinery.store.query.DNFAnd; | ||
22 | import tools.refinery.store.query.DNFUtils; | ||
23 | import tools.refinery.store.query.Variable; | ||
24 | import tools.refinery.store.query.atom.*; | ||
25 | import tools.refinery.store.query.view.AnyRelationView; | ||
26 | |||
27 | import java.util.*; | ||
28 | import java.util.function.Function; | ||
29 | import java.util.stream.Collectors; | ||
30 | |||
31 | public class DNF2PQuery { | ||
32 | private static final Object P_CONSTRAINT_LOCK = new Object(); | ||
33 | |||
34 | private final Set<DNF> translating = new LinkedHashSet<>(); | ||
35 | |||
36 | private final Map<DNF, RawPQuery> dnf2PQueryMap = new HashMap<>(); | ||
37 | |||
38 | private final Map<AnyRelationView, RelationViewWrapper> view2WrapperMap = new LinkedHashMap<>(); | ||
39 | |||
40 | private final Map<AnyRelationView, RawPQuery> view2EmbeddedMap = new HashMap<>(); | ||
41 | |||
42 | private Function<DNF, QueryEvaluationHint> computeHint = dnf -> new QueryEvaluationHint(null, | ||
43 | QueryEvaluationHint.BackendRequirement.UNSPECIFIED); | ||
44 | |||
45 | public void setComputeHint(Function<DNF, QueryEvaluationHint> computeHint) { | ||
46 | this.computeHint = computeHint; | ||
47 | } | ||
48 | |||
49 | public RawPQuery translate(DNF dnfQuery) { | ||
50 | if (translating.contains(dnfQuery)) { | ||
51 | var path = translating.stream().map(DNF::name).collect(Collectors.joining(" -> ")); | ||
52 | throw new IllegalStateException("Circular reference %s -> %s detected".formatted(path, | ||
53 | dnfQuery.name())); | ||
54 | } | ||
55 | // We can't use computeIfAbsent here, because translating referenced queries calls this method in a reentrant | ||
56 | // way, which would cause a ConcurrentModificationException with computeIfAbsent. | ||
57 | var pQuery = dnf2PQueryMap.get(dnfQuery); | ||
58 | if (pQuery == null) { | ||
59 | translating.add(dnfQuery); | ||
60 | try { | ||
61 | pQuery = doTranslate(dnfQuery); | ||
62 | dnf2PQueryMap.put(dnfQuery, pQuery); | ||
63 | } finally { | ||
64 | translating.remove(dnfQuery); | ||
65 | } | ||
66 | } | ||
67 | return pQuery; | ||
68 | } | ||
69 | |||
70 | public Map<AnyRelationView, IInputKey> getRelationViews() { | ||
71 | return Collections.unmodifiableMap(view2WrapperMap); | ||
72 | } | ||
73 | |||
74 | public RawPQuery getAlreadyTranslated(DNF dnfQuery) { | ||
75 | return dnf2PQueryMap.get(dnfQuery); | ||
76 | } | ||
77 | |||
78 | private RawPQuery doTranslate(DNF dnfQuery) { | ||
79 | var pQuery = new RawPQuery(dnfQuery.getUniqueName()); | ||
80 | pQuery.setEvaluationHints(computeHint.apply(dnfQuery)); | ||
81 | |||
82 | Map<Variable, PParameter> parameters = new HashMap<>(); | ||
83 | for (Variable variable : dnfQuery.getParameters()) { | ||
84 | parameters.put(variable, new PParameter(variable.getUniqueName())); | ||
85 | } | ||
86 | |||
87 | List<PParameter> parameterList = new ArrayList<>(); | ||
88 | for (var param : dnfQuery.getParameters()) { | ||
89 | parameterList.add(parameters.get(param)); | ||
90 | } | ||
91 | pQuery.setParameters(parameterList); | ||
92 | |||
93 | for (var functionalDependency : dnfQuery.getFunctionalDependencies()) { | ||
94 | var functionalDependencyAnnotation = new PAnnotation("FunctionalDependency"); | ||
95 | for (var forEachVariable : functionalDependency.forEach()) { | ||
96 | functionalDependencyAnnotation.addAttribute("forEach", forEachVariable.getUniqueName()); | ||
97 | } | ||
98 | for (var uniqueVariable : functionalDependency.unique()) { | ||
99 | functionalDependencyAnnotation.addAttribute("unique", uniqueVariable.getUniqueName()); | ||
100 | } | ||
101 | pQuery.addAnnotation(functionalDependencyAnnotation); | ||
102 | } | ||
103 | |||
104 | // The constructor of {@link org.eclipse.viatra.query.runtime.matchers.psystem.BasePConstraint} mutates | ||
105 | // global static state (<code>nextID</code>) without locking. Therefore, we need to synchronize before creating | ||
106 | // any query constraints to avoid a data race. | ||
107 | synchronized (P_CONSTRAINT_LOCK) { | ||
108 | for (DNFAnd clause : dnfQuery.getClauses()) { | ||
109 | PBody body = new PBody(pQuery); | ||
110 | List<ExportedParameter> symbolicParameters = new ArrayList<>(); | ||
111 | for (var param : dnfQuery.getParameters()) { | ||
112 | PVariable pVar = body.getOrCreateVariableByName(param.getUniqueName()); | ||
113 | symbolicParameters.add(new ExportedParameter(body, pVar, parameters.get(param))); | ||
114 | } | ||
115 | body.setSymbolicParameters(symbolicParameters); | ||
116 | pQuery.addBody(body); | ||
117 | for (DNFAtom constraint : clause.constraints()) { | ||
118 | translateDNFAtom(constraint, body); | ||
119 | } | ||
120 | } | ||
121 | } | ||
122 | |||
123 | return pQuery; | ||
124 | } | ||
125 | |||
126 | private void translateDNFAtom(DNFAtom constraint, PBody body) { | ||
127 | if (constraint instanceof EquivalenceAtom equivalenceAtom) { | ||
128 | translateEquivalenceAtom(equivalenceAtom, body); | ||
129 | } else if (constraint instanceof RelationViewAtom relationViewAtom) { | ||
130 | translateRelationViewAtom(relationViewAtom, body); | ||
131 | } else if (constraint instanceof DNFCallAtom callAtom) { | ||
132 | translateCallAtom(callAtom, body); | ||
133 | } else if (constraint instanceof ConstantAtom constantAtom) { | ||
134 | translateConstantAtom(constantAtom, body); | ||
135 | } else { | ||
136 | throw new IllegalArgumentException("Unknown constraint: " + constraint.toString()); | ||
137 | } | ||
138 | } | ||
139 | |||
140 | private void translateEquivalenceAtom(EquivalenceAtom equivalence, PBody body) { | ||
141 | PVariable varSource = body.getOrCreateVariableByName(equivalence.left().getUniqueName()); | ||
142 | PVariable varTarget = body.getOrCreateVariableByName(equivalence.right().getUniqueName()); | ||
143 | if (equivalence.positive()) { | ||
144 | new Equality(body, varSource, varTarget); | ||
145 | } else { | ||
146 | new Inequality(body, varSource, varTarget); | ||
147 | } | ||
148 | } | ||
149 | |||
150 | private void translateRelationViewAtom(RelationViewAtom relationViewAtom, PBody body) { | ||
151 | var substitution = translateSubstitution(relationViewAtom.getSubstitution(), body); | ||
152 | var polarity = relationViewAtom.getPolarity(); | ||
153 | var relationView = relationViewAtom.getTarget(); | ||
154 | if (polarity == CallPolarity.POSITIVE) { | ||
155 | new TypeConstraint(body, substitution, wrapView(relationView)); | ||
156 | } else { | ||
157 | var embeddedPQuery = translateEmbeddedRelationViewPQuery(relationView); | ||
158 | switch (polarity) { | ||
159 | case TRANSITIVE -> new BinaryTransitiveClosure(body, substitution, embeddedPQuery); | ||
160 | case NEGATIVE -> new NegativePatternCall(body, substitution, embeddedPQuery); | ||
161 | default -> throw new IllegalArgumentException("Unknown polarity: " + polarity); | ||
162 | } | ||
163 | } | ||
164 | } | ||
165 | |||
166 | private static Tuple translateSubstitution(List<Variable> substitution, PBody body) { | ||
167 | int arity = substitution.size(); | ||
168 | Object[] variables = new Object[arity]; | ||
169 | for (int i = 0; i < arity; i++) { | ||
170 | var variable = substitution.get(i); | ||
171 | variables[i] = body.getOrCreateVariableByName(variable.getUniqueName()); | ||
172 | } | ||
173 | return Tuples.flatTupleOf(variables); | ||
174 | } | ||
175 | |||
176 | private RawPQuery translateEmbeddedRelationViewPQuery(AnyRelationView relationView) { | ||
177 | return view2EmbeddedMap.computeIfAbsent(relationView, this::doTranslateEmbeddedRelationViewPQuery); | ||
178 | } | ||
179 | |||
180 | private RawPQuery doTranslateEmbeddedRelationViewPQuery(AnyRelationView relationView) { | ||
181 | var embeddedPQuery = new RawPQuery(DNFUtils.generateUniqueName(relationView.name()), PVisibility.EMBEDDED); | ||
182 | var body = new PBody(embeddedPQuery); | ||
183 | int arity = relationView.arity(); | ||
184 | var parameters = new ArrayList<PParameter>(arity); | ||
185 | var arguments = new Object[arity]; | ||
186 | var symbolicParameters = new ArrayList<ExportedParameter>(arity); | ||
187 | for (int i = 0; i < arity; i++) { | ||
188 | var parameterName = "p" + i; | ||
189 | var parameter = new PParameter(parameterName); | ||
190 | parameters.add(parameter); | ||
191 | var variable = body.getOrCreateVariableByName(parameterName); | ||
192 | arguments[i] = variable; | ||
193 | symbolicParameters.add(new ExportedParameter(body, variable, parameter)); | ||
194 | } | ||
195 | embeddedPQuery.setParameters(parameters); | ||
196 | body.setSymbolicParameters(symbolicParameters); | ||
197 | var argumentTuple = Tuples.flatTupleOf(arguments); | ||
198 | new TypeConstraint(body, argumentTuple, wrapView(relationView)); | ||
199 | embeddedPQuery.addBody(body); | ||
200 | return embeddedPQuery; | ||
201 | } | ||
202 | |||
203 | private RelationViewWrapper wrapView(AnyRelationView relationView) { | ||
204 | return view2WrapperMap.computeIfAbsent(relationView, RelationViewWrapper::new); | ||
205 | } | ||
206 | |||
207 | private void translateCallAtom(DNFCallAtom callAtom, PBody body) { | ||
208 | var variablesTuple = translateSubstitution(callAtom.getSubstitution(), body); | ||
209 | var translatedReferred = translate(callAtom.getTarget()); | ||
210 | var polarity = callAtom.getPolarity(); | ||
211 | switch (polarity) { | ||
212 | case POSITIVE -> new PositivePatternCall(body, variablesTuple, translatedReferred); | ||
213 | case TRANSITIVE -> new BinaryTransitiveClosure(body, variablesTuple, translatedReferred); | ||
214 | case NEGATIVE -> new NegativePatternCall(body, variablesTuple, translatedReferred); | ||
215 | default -> throw new IllegalArgumentException("Unknown polarity: " + polarity); | ||
216 | } | ||
217 | } | ||
218 | |||
219 | private void translateConstantAtom(ConstantAtom constantAtom, PBody body) { | ||
220 | var variable = body.getOrCreateVariableByName(constantAtom.variable().getUniqueName()); | ||
221 | new ConstantValue(body, variable, constantAtom.nodeId()); | ||
222 | } | ||
223 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/Dnf2PQuery.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/Dnf2PQuery.java new file mode 100644 index 00000000..5b0ea61d --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/Dnf2PQuery.java | |||
@@ -0,0 +1,266 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.pquery; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.backend.IQueryBackendFactory; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint; | ||
10 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | ||
11 | import org.eclipse.viatra.query.runtime.matchers.psystem.PBody; | ||
12 | import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable; | ||
13 | import org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.BoundAggregator; | ||
14 | import org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator; | ||
15 | import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation; | ||
16 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.*; | ||
17 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.BinaryTransitiveClosure; | ||
18 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.ConstantValue; | ||
19 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall; | ||
20 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint; | ||
21 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter; | ||
22 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection; | ||
23 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PQuery; | ||
24 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple; | ||
25 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | ||
26 | import tools.refinery.store.query.dnf.Dnf; | ||
27 | import tools.refinery.store.query.dnf.DnfClause; | ||
28 | import tools.refinery.store.query.dnf.SymbolicParameter; | ||
29 | import tools.refinery.store.query.literal.*; | ||
30 | import tools.refinery.store.query.term.ConstantTerm; | ||
31 | import tools.refinery.store.query.term.StatefulAggregator; | ||
32 | import tools.refinery.store.query.term.StatelessAggregator; | ||
33 | import tools.refinery.store.query.term.Variable; | ||
34 | import tools.refinery.store.query.view.AnySymbolView; | ||
35 | import tools.refinery.store.util.CycleDetectingMapper; | ||
36 | |||
37 | import java.util.*; | ||
38 | import java.util.function.Function; | ||
39 | import java.util.stream.Collectors; | ||
40 | |||
41 | public class Dnf2PQuery { | ||
42 | private static final Object P_CONSTRAINT_LOCK = new Object(); | ||
43 | private final CycleDetectingMapper<Dnf, RawPQuery> mapper = new CycleDetectingMapper<>(Dnf::name, | ||
44 | this::doTranslate); | ||
45 | private final QueryWrapperFactory wrapperFactory = new QueryWrapperFactory(this); | ||
46 | private final Map<Dnf, QueryEvaluationHint> hintOverrides = new LinkedHashMap<>(); | ||
47 | private Function<Dnf, QueryEvaluationHint> computeHint = dnf -> new QueryEvaluationHint(null, | ||
48 | (IQueryBackendFactory) null); | ||
49 | |||
50 | public void setComputeHint(Function<Dnf, QueryEvaluationHint> computeHint) { | ||
51 | this.computeHint = computeHint; | ||
52 | } | ||
53 | |||
54 | public RawPQuery translate(Dnf dnfQuery) { | ||
55 | return mapper.map(dnfQuery); | ||
56 | } | ||
57 | |||
58 | public Map<AnySymbolView, IInputKey> getSymbolViews() { | ||
59 | return wrapperFactory.getSymbolViews(); | ||
60 | } | ||
61 | |||
62 | public void hint(Dnf dnf, QueryEvaluationHint hint) { | ||
63 | hintOverrides.compute(dnf, (ignoredKey, existingHint) -> | ||
64 | existingHint == null ? hint : existingHint.overrideBy(hint)); | ||
65 | } | ||
66 | |||
67 | private QueryEvaluationHint consumeHint(Dnf dnf) { | ||
68 | var defaultHint = computeHint.apply(dnf); | ||
69 | var existingHint = hintOverrides.remove(dnf); | ||
70 | return defaultHint.overrideBy(existingHint); | ||
71 | } | ||
72 | |||
73 | public void assertNoUnusedHints() { | ||
74 | if (hintOverrides.isEmpty()) { | ||
75 | return; | ||
76 | } | ||
77 | var unusedHints = hintOverrides.keySet().stream().map(Dnf::name).collect(Collectors.joining(", ")); | ||
78 | throw new IllegalStateException( | ||
79 | "Unused query evaluation hints for %s. Hints must be set before a query is added to the engine" | ||
80 | .formatted(unusedHints)); | ||
81 | } | ||
82 | |||
83 | private RawPQuery doTranslate(Dnf dnfQuery) { | ||
84 | var pQuery = new RawPQuery(dnfQuery.getUniqueName()); | ||
85 | pQuery.setEvaluationHints(consumeHint(dnfQuery)); | ||
86 | |||
87 | Map<SymbolicParameter, PParameter> parameters = new HashMap<>(); | ||
88 | List<PParameter> parameterList = new ArrayList<>(); | ||
89 | for (var parameter : dnfQuery.getSymbolicParameters()) { | ||
90 | var direction = switch (parameter.getDirection()) { | ||
91 | case OUT -> parameter.isUnifiable() ? PParameterDirection.INOUT : PParameterDirection.OUT; | ||
92 | case IN -> throw new IllegalArgumentException("Query %s with input parameter %s is not supported" | ||
93 | .formatted(dnfQuery, parameter.getVariable())); | ||
94 | }; | ||
95 | var pParameter = new PParameter(parameter.getVariable().getUniqueName(), null, null, direction); | ||
96 | parameters.put(parameter, pParameter); | ||
97 | parameterList.add(pParameter); | ||
98 | } | ||
99 | |||
100 | pQuery.setParameters(parameterList); | ||
101 | |||
102 | for (var functionalDependency : dnfQuery.getFunctionalDependencies()) { | ||
103 | var functionalDependencyAnnotation = new PAnnotation("FunctionalDependency"); | ||
104 | for (var forEachVariable : functionalDependency.forEach()) { | ||
105 | functionalDependencyAnnotation.addAttribute("forEach", forEachVariable.getUniqueName()); | ||
106 | } | ||
107 | for (var uniqueVariable : functionalDependency.unique()) { | ||
108 | functionalDependencyAnnotation.addAttribute("unique", uniqueVariable.getUniqueName()); | ||
109 | } | ||
110 | pQuery.addAnnotation(functionalDependencyAnnotation); | ||
111 | } | ||
112 | |||
113 | // The constructor of {@link org.eclipse.viatra.query.runtime.matchers.psystem.BasePConstraint} mutates | ||
114 | // global static state (<code>nextID</code>) without locking. Therefore, we need to synchronize before creating | ||
115 | // any query literals to avoid a data race. | ||
116 | synchronized (P_CONSTRAINT_LOCK) { | ||
117 | for (DnfClause clause : dnfQuery.getClauses()) { | ||
118 | PBody body = new PBody(pQuery); | ||
119 | List<ExportedParameter> parameterExports = new ArrayList<>(); | ||
120 | for (var parameter : dnfQuery.getSymbolicParameters()) { | ||
121 | PVariable pVar = body.getOrCreateVariableByName(parameter.getVariable().getUniqueName()); | ||
122 | parameterExports.add(new ExportedParameter(body, pVar, parameters.get(parameter))); | ||
123 | } | ||
124 | body.setSymbolicParameters(parameterExports); | ||
125 | pQuery.addBody(body); | ||
126 | for (Literal literal : clause.literals()) { | ||
127 | translateLiteral(literal, body); | ||
128 | } | ||
129 | } | ||
130 | } | ||
131 | |||
132 | return pQuery; | ||
133 | } | ||
134 | |||
135 | private void translateLiteral(Literal literal, PBody body) { | ||
136 | if (literal instanceof EquivalenceLiteral equivalenceLiteral) { | ||
137 | translateEquivalenceLiteral(equivalenceLiteral, body); | ||
138 | } else if (literal instanceof CallLiteral callLiteral) { | ||
139 | translateCallLiteral(callLiteral, body); | ||
140 | } else if (literal instanceof ConstantLiteral constantLiteral) { | ||
141 | translateConstantLiteral(constantLiteral, body); | ||
142 | } else if (literal instanceof AssignLiteral<?> assignLiteral) { | ||
143 | translateAssignLiteral(assignLiteral, body); | ||
144 | } else if (literal instanceof AssumeLiteral assumeLiteral) { | ||
145 | translateAssumeLiteral(assumeLiteral, body); | ||
146 | } else if (literal instanceof CountLiteral countLiteral) { | ||
147 | translateCountLiteral(countLiteral, body); | ||
148 | } else if (literal instanceof AggregationLiteral<?, ?> aggregationLiteral) { | ||
149 | translateAggregationLiteral(aggregationLiteral, body); | ||
150 | } else { | ||
151 | throw new IllegalArgumentException("Unknown literal: " + literal.toString()); | ||
152 | } | ||
153 | } | ||
154 | |||
155 | private void translateEquivalenceLiteral(EquivalenceLiteral equivalenceLiteral, PBody body) { | ||
156 | PVariable varSource = body.getOrCreateVariableByName(equivalenceLiteral.left().getUniqueName()); | ||
157 | PVariable varTarget = body.getOrCreateVariableByName(equivalenceLiteral.right().getUniqueName()); | ||
158 | if (equivalenceLiteral.positive()) { | ||
159 | new Equality(body, varSource, varTarget); | ||
160 | } else { | ||
161 | new Inequality(body, varSource, varTarget); | ||
162 | } | ||
163 | } | ||
164 | |||
165 | private void translateCallLiteral(CallLiteral callLiteral, PBody body) { | ||
166 | var polarity = callLiteral.getPolarity(); | ||
167 | switch (polarity) { | ||
168 | case POSITIVE -> { | ||
169 | var substitution = translateSubstitution(callLiteral.getArguments(), body); | ||
170 | var constraint = callLiteral.getTarget(); | ||
171 | if (constraint instanceof Dnf dnf) { | ||
172 | var pattern = translate(dnf); | ||
173 | new PositivePatternCall(body, substitution, pattern); | ||
174 | } else if (constraint instanceof AnySymbolView symbolView) { | ||
175 | var inputKey = wrapperFactory.getInputKey(symbolView); | ||
176 | new TypeConstraint(body, substitution, inputKey); | ||
177 | } else { | ||
178 | throw new IllegalArgumentException("Unknown Constraint: " + constraint); | ||
179 | } | ||
180 | } | ||
181 | case TRANSITIVE -> { | ||
182 | var substitution = translateSubstitution(callLiteral.getArguments(), body); | ||
183 | var constraint = callLiteral.getTarget(); | ||
184 | PQuery pattern; | ||
185 | if (constraint instanceof Dnf dnf) { | ||
186 | pattern = translate(dnf); | ||
187 | } else if (constraint instanceof AnySymbolView symbolView) { | ||
188 | pattern = wrapperFactory.wrapSymbolViewIdentityArguments(symbolView); | ||
189 | } else { | ||
190 | throw new IllegalArgumentException("Unknown Constraint: " + constraint); | ||
191 | } | ||
192 | new BinaryTransitiveClosure(body, substitution, pattern); | ||
193 | } | ||
194 | case NEGATIVE -> { | ||
195 | var wrappedCall = wrapperFactory.maybeWrapConstraint(callLiteral); | ||
196 | var substitution = translateSubstitution(wrappedCall.remappedArguments(), body); | ||
197 | var pattern = wrappedCall.pattern(); | ||
198 | new NegativePatternCall(body, substitution, pattern); | ||
199 | } | ||
200 | default -> throw new IllegalArgumentException("Unknown polarity: " + polarity); | ||
201 | } | ||
202 | } | ||
203 | |||
204 | private static Tuple translateSubstitution(List<Variable> substitution, PBody body) { | ||
205 | int arity = substitution.size(); | ||
206 | Object[] variables = new Object[arity]; | ||
207 | for (int i = 0; i < arity; i++) { | ||
208 | var variable = substitution.get(i); | ||
209 | variables[i] = body.getOrCreateVariableByName(variable.getUniqueName()); | ||
210 | } | ||
211 | return Tuples.flatTupleOf(variables); | ||
212 | } | ||
213 | |||
214 | private void translateConstantLiteral(ConstantLiteral constantLiteral, PBody body) { | ||
215 | var variable = body.getOrCreateVariableByName(constantLiteral.variable().getUniqueName()); | ||
216 | new ConstantValue(body, variable, constantLiteral.nodeId()); | ||
217 | } | ||
218 | |||
219 | private <T> void translateAssignLiteral(AssignLiteral<T> assignLiteral, PBody body) { | ||
220 | var variable = body.getOrCreateVariableByName(assignLiteral.variable().getUniqueName()); | ||
221 | var term = assignLiteral.term(); | ||
222 | if (term instanceof ConstantTerm<T> constantTerm) { | ||
223 | new ConstantValue(body, variable, constantTerm.getValue()); | ||
224 | } else { | ||
225 | var evaluator = new TermEvaluator<>(term); | ||
226 | new ExpressionEvaluation(body, evaluator, variable); | ||
227 | } | ||
228 | } | ||
229 | |||
230 | private void translateAssumeLiteral(AssumeLiteral assumeLiteral, PBody body) { | ||
231 | var evaluator = new AssumptionEvaluator(assumeLiteral.term()); | ||
232 | new ExpressionEvaluation(body, evaluator, null); | ||
233 | } | ||
234 | |||
235 | private void translateCountLiteral(CountLiteral countLiteral, PBody body) { | ||
236 | var wrappedCall = wrapperFactory.maybeWrapConstraint(countLiteral); | ||
237 | var substitution = translateSubstitution(wrappedCall.remappedArguments(), body); | ||
238 | var resultVariable = body.getOrCreateVariableByName(countLiteral.getResultVariable().getUniqueName()); | ||
239 | new PatternMatchCounter(body, substitution, wrappedCall.pattern(), resultVariable); | ||
240 | } | ||
241 | |||
242 | private <R, T> void translateAggregationLiteral(AggregationLiteral<R, T> aggregationLiteral, PBody body) { | ||
243 | var aggregator = aggregationLiteral.getAggregator(); | ||
244 | IMultisetAggregationOperator<T, ?, R> aggregationOperator; | ||
245 | if (aggregator instanceof StatelessAggregator<R, T> statelessAggregator) { | ||
246 | aggregationOperator = new StatelessMultisetAggregator<>(statelessAggregator); | ||
247 | } else if (aggregator instanceof StatefulAggregator<R, T> statefulAggregator) { | ||
248 | aggregationOperator = new StatefulMultisetAggregator<>(statefulAggregator); | ||
249 | } else { | ||
250 | throw new IllegalArgumentException("Unknown aggregator: " + aggregator); | ||
251 | } | ||
252 | var wrappedCall = wrapperFactory.maybeWrapConstraint(aggregationLiteral); | ||
253 | var substitution = translateSubstitution(wrappedCall.remappedArguments(), body); | ||
254 | var inputVariable = body.getOrCreateVariableByName(aggregationLiteral.getInputVariable().getUniqueName()); | ||
255 | var aggregatedColumn = substitution.invertIndex().get(inputVariable); | ||
256 | if (aggregatedColumn == null) { | ||
257 | throw new IllegalStateException("Input variable %s not found in substitution %s".formatted(inputVariable, | ||
258 | substitution)); | ||
259 | } | ||
260 | var boundAggregator = new BoundAggregator(aggregationOperator, aggregator.getInputType(), | ||
261 | aggregator.getResultType()); | ||
262 | var resultVariable = body.getOrCreateVariableByName(aggregationLiteral.getResultVariable().getUniqueName()); | ||
263 | new AggregatorConstraint(boundAggregator, body, substitution, wrappedCall.pattern(), resultVariable, | ||
264 | aggregatedColumn); | ||
265 | } | ||
266 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/QueryWrapperFactory.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/QueryWrapperFactory.java new file mode 100644 index 00000000..2b7280f2 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/QueryWrapperFactory.java | |||
@@ -0,0 +1,189 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.pquery; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.psystem.PBody; | ||
10 | import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable; | ||
11 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter; | ||
12 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall; | ||
13 | import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint; | ||
14 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter; | ||
15 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PQuery; | ||
16 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility; | ||
17 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple; | ||
18 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | ||
19 | import tools.refinery.store.query.Constraint; | ||
20 | import tools.refinery.store.query.dnf.Dnf; | ||
21 | import tools.refinery.store.query.dnf.DnfUtils; | ||
22 | import tools.refinery.store.query.literal.AbstractCallLiteral; | ||
23 | import tools.refinery.store.query.term.ParameterDirection; | ||
24 | import tools.refinery.store.query.term.Variable; | ||
25 | import tools.refinery.store.query.view.AnySymbolView; | ||
26 | import tools.refinery.store.query.view.SymbolView; | ||
27 | import tools.refinery.store.util.CycleDetectingMapper; | ||
28 | |||
29 | import java.util.*; | ||
30 | import java.util.function.ToIntFunction; | ||
31 | |||
32 | class QueryWrapperFactory { | ||
33 | private final Dnf2PQuery dnf2PQuery; | ||
34 | private final Map<AnySymbolView, SymbolViewWrapper> view2WrapperMap = new LinkedHashMap<>(); | ||
35 | private final CycleDetectingMapper<RemappedConstraint, RawPQuery> wrapConstraint = new CycleDetectingMapper<>( | ||
36 | RemappedConstraint::toString, this::doWrapConstraint); | ||
37 | |||
38 | QueryWrapperFactory(Dnf2PQuery dnf2PQuery) { | ||
39 | this.dnf2PQuery = dnf2PQuery; | ||
40 | } | ||
41 | |||
42 | public PQuery wrapSymbolViewIdentityArguments(AnySymbolView symbolView) { | ||
43 | var identity = new int[symbolView.arity()]; | ||
44 | for (int i = 0; i < identity.length; i++) { | ||
45 | identity[i] = i; | ||
46 | } | ||
47 | return maybeWrapConstraint(symbolView, identity); | ||
48 | } | ||
49 | |||
50 | public WrappedCall maybeWrapConstraint(AbstractCallLiteral callLiteral) { | ||
51 | var arguments = callLiteral.getArguments(); | ||
52 | int arity = arguments.size(); | ||
53 | var remappedParameters = new int[arity]; | ||
54 | var unboundVariableIndices = new HashMap<Variable, Integer>(); | ||
55 | var appendVariable = new VariableAppender(); | ||
56 | for (int i = 0; i < arity; i++) { | ||
57 | var variable = arguments.get(i); | ||
58 | // Unify all variables to avoid VIATRA bugs, even if they're bound in the containing clause. | ||
59 | remappedParameters[i] = unboundVariableIndices.computeIfAbsent(variable, appendVariable::applyAsInt); | ||
60 | } | ||
61 | var pattern = maybeWrapConstraint(callLiteral.getTarget(), remappedParameters); | ||
62 | return new WrappedCall(pattern, appendVariable.getRemappedArguments()); | ||
63 | } | ||
64 | |||
65 | private PQuery maybeWrapConstraint(Constraint constraint, int[] remappedParameters) { | ||
66 | if (remappedParameters.length != constraint.arity()) { | ||
67 | throw new IllegalArgumentException("Constraint %s expected %d parameters, but got %d parameters".formatted( | ||
68 | constraint, constraint.arity(), remappedParameters.length)); | ||
69 | } | ||
70 | if (constraint instanceof Dnf dnf && isIdentity(remappedParameters)) { | ||
71 | return dnf2PQuery.translate(dnf); | ||
72 | } | ||
73 | return wrapConstraint.map(new RemappedConstraint(constraint, remappedParameters)); | ||
74 | } | ||
75 | |||
76 | private static boolean isIdentity(int[] remappedParameters) { | ||
77 | for (int i = 0; i < remappedParameters.length; i++) { | ||
78 | if (remappedParameters[i] != i) { | ||
79 | return false; | ||
80 | } | ||
81 | } | ||
82 | return true; | ||
83 | } | ||
84 | |||
85 | private RawPQuery doWrapConstraint(RemappedConstraint remappedConstraint) { | ||
86 | var constraint = remappedConstraint.constraint(); | ||
87 | var remappedParameters = remappedConstraint.remappedParameters(); | ||
88 | |||
89 | checkNoInputParameters(constraint); | ||
90 | |||
91 | var embeddedPQuery = new RawPQuery(DnfUtils.generateUniqueName(constraint.name()), PVisibility.EMBEDDED); | ||
92 | var body = new PBody(embeddedPQuery); | ||
93 | int arity = Arrays.stream(remappedParameters).max().orElse(-1) + 1; | ||
94 | var parameters = new ArrayList<PParameter>(arity); | ||
95 | var parameterVariables = new PVariable[arity]; | ||
96 | var symbolicParameters = new ArrayList<ExportedParameter>(arity); | ||
97 | for (int i = 0; i < arity; i++) { | ||
98 | var parameterName = "p" + i; | ||
99 | var parameter = new PParameter(parameterName); | ||
100 | parameters.add(parameter); | ||
101 | var variable = body.getOrCreateVariableByName(parameterName); | ||
102 | parameterVariables[i] = variable; | ||
103 | symbolicParameters.add(new ExportedParameter(body, variable, parameter)); | ||
104 | } | ||
105 | embeddedPQuery.setParameters(parameters); | ||
106 | body.setSymbolicParameters(symbolicParameters); | ||
107 | |||
108 | var arguments = new Object[remappedParameters.length]; | ||
109 | for (int i = 0; i < remappedParameters.length; i++) { | ||
110 | arguments[i] = parameterVariables[remappedParameters[i]]; | ||
111 | } | ||
112 | var argumentTuple = Tuples.flatTupleOf(arguments); | ||
113 | |||
114 | addPositiveConstraint(constraint, body, argumentTuple); | ||
115 | embeddedPQuery.addBody(body); | ||
116 | return embeddedPQuery; | ||
117 | } | ||
118 | |||
119 | private static void checkNoInputParameters(Constraint constraint) { | ||
120 | for (var constraintParameter : constraint.getParameters()) { | ||
121 | if (constraintParameter.getDirection() == ParameterDirection.IN) { | ||
122 | throw new IllegalArgumentException("Input parameter %s of %s is not supported" | ||
123 | .formatted(constraintParameter, constraint)); | ||
124 | } | ||
125 | } | ||
126 | } | ||
127 | |||
128 | private void addPositiveConstraint(Constraint constraint, PBody body, Tuple argumentTuple) { | ||
129 | if (constraint instanceof SymbolView<?> view) { | ||
130 | new TypeConstraint(body, argumentTuple, getInputKey(view)); | ||
131 | } else if (constraint instanceof Dnf dnf) { | ||
132 | var calledPQuery = dnf2PQuery.translate(dnf); | ||
133 | new PositivePatternCall(body, argumentTuple, calledPQuery); | ||
134 | } else { | ||
135 | throw new IllegalArgumentException("Unknown Constraint: " + constraint); | ||
136 | } | ||
137 | } | ||
138 | |||
139 | public IInputKey getInputKey(AnySymbolView symbolView) { | ||
140 | return view2WrapperMap.computeIfAbsent(symbolView, SymbolViewWrapper::new); | ||
141 | } | ||
142 | |||
143 | public Map<AnySymbolView, IInputKey> getSymbolViews() { | ||
144 | return Collections.unmodifiableMap(view2WrapperMap); | ||
145 | } | ||
146 | |||
147 | public record WrappedCall(PQuery pattern, List<Variable> remappedArguments) { | ||
148 | } | ||
149 | |||
150 | private static class VariableAppender implements ToIntFunction<Variable> { | ||
151 | private final List<Variable> remappedArguments = new ArrayList<>(); | ||
152 | private int nextIndex = 0; | ||
153 | |||
154 | @Override | ||
155 | public int applyAsInt(Variable variable) { | ||
156 | remappedArguments.add(variable); | ||
157 | int index = nextIndex; | ||
158 | nextIndex++; | ||
159 | return index; | ||
160 | } | ||
161 | |||
162 | public List<Variable> getRemappedArguments() { | ||
163 | return remappedArguments; | ||
164 | } | ||
165 | } | ||
166 | |||
167 | private record RemappedConstraint(Constraint constraint, int[] remappedParameters) { | ||
168 | @Override | ||
169 | public boolean equals(Object o) { | ||
170 | if (this == o) return true; | ||
171 | if (o == null || getClass() != o.getClass()) return false; | ||
172 | RemappedConstraint that = (RemappedConstraint) o; | ||
173 | return constraint.equals(that.constraint) && Arrays.equals(remappedParameters, that.remappedParameters); | ||
174 | } | ||
175 | |||
176 | @Override | ||
177 | public int hashCode() { | ||
178 | int result = Objects.hash(constraint); | ||
179 | result = 31 * result + Arrays.hashCode(remappedParameters); | ||
180 | return result; | ||
181 | } | ||
182 | |||
183 | @Override | ||
184 | public String toString() { | ||
185 | return "RemappedConstraint{constraint=%s, remappedParameters=%s}".formatted(constraint, | ||
186 | Arrays.toString(remappedParameters)); | ||
187 | } | ||
188 | } | ||
189 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RawPQuery.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RawPQuery.java index 71b74396..255738c5 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RawPQuery.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RawPQuery.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.pquery; | 6 | package tools.refinery.store.query.viatra.internal.pquery; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.api.GenericQuerySpecification; | 8 | import org.eclipse.viatra.query.runtime.api.GenericQuerySpecification; |
@@ -9,6 +14,7 @@ import org.eclipse.viatra.query.runtime.matchers.psystem.queries.BasePQuery; | |||
9 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter; | 14 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter; |
10 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility; | 15 | import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility; |
11 | import tools.refinery.store.query.viatra.internal.RelationalScope; | 16 | import tools.refinery.store.query.viatra.internal.RelationalScope; |
17 | import tools.refinery.store.query.viatra.internal.matcher.RawPatternMatcher; | ||
12 | 18 | ||
13 | import java.util.LinkedHashSet; | 19 | import java.util.LinkedHashSet; |
14 | import java.util.List; | 20 | import java.util.List; |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RawPatternMatcher.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RawPatternMatcher.java deleted file mode 100644 index e944e873..00000000 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RawPatternMatcher.java +++ /dev/null | |||
@@ -1,72 +0,0 @@ | |||
1 | package tools.refinery.store.query.viatra.internal.pquery; | ||
2 | |||
3 | import org.eclipse.viatra.query.runtime.api.GenericPatternMatcher; | ||
4 | import org.eclipse.viatra.query.runtime.api.GenericQuerySpecification; | ||
5 | import tools.refinery.store.query.ResultSet; | ||
6 | import tools.refinery.store.query.viatra.ViatraTupleLike; | ||
7 | import tools.refinery.store.tuple.Tuple; | ||
8 | import tools.refinery.store.tuple.TupleLike; | ||
9 | |||
10 | import java.util.Optional; | ||
11 | import java.util.stream.Stream; | ||
12 | |||
13 | public class RawPatternMatcher extends GenericPatternMatcher implements ResultSet { | ||
14 | protected final Object[] empty; | ||
15 | |||
16 | public RawPatternMatcher(GenericQuerySpecification<? extends GenericPatternMatcher> specification) { | ||
17 | super(specification); | ||
18 | empty = new Object[specification.getParameterNames().size()]; | ||
19 | } | ||
20 | |||
21 | @Override | ||
22 | public boolean hasResult() { | ||
23 | return backend.hasMatch(empty); | ||
24 | } | ||
25 | |||
26 | @Override | ||
27 | public boolean hasResult(Tuple parameters) { | ||
28 | return backend.hasMatch(toParametersArray(parameters)); | ||
29 | } | ||
30 | |||
31 | @Override | ||
32 | public Optional<TupleLike> oneResult() { | ||
33 | return backend.getOneArbitraryMatch(empty).map(ViatraTupleLike::new); | ||
34 | } | ||
35 | |||
36 | @Override | ||
37 | public Optional<TupleLike> oneResult(Tuple parameters) { | ||
38 | return backend.getOneArbitraryMatch(toParametersArray(parameters)).map(ViatraTupleLike::new); | ||
39 | } | ||
40 | |||
41 | @Override | ||
42 | public Stream<TupleLike> allResults() { | ||
43 | return backend.getAllMatches(empty).map(ViatraTupleLike::new); | ||
44 | } | ||
45 | |||
46 | @Override | ||
47 | public Stream<TupleLike> allResults(Tuple parameters) { | ||
48 | return backend.getAllMatches(toParametersArray(parameters)).map(ViatraTupleLike::new); | ||
49 | } | ||
50 | |||
51 | @Override | ||
52 | public int countResults() { | ||
53 | return backend.countMatches(empty); | ||
54 | } | ||
55 | |||
56 | @Override | ||
57 | public int countResults(Tuple parameters) { | ||
58 | return backend.countMatches(toParametersArray(parameters)); | ||
59 | } | ||
60 | |||
61 | private Object[] toParametersArray(Tuple tuple) { | ||
62 | int size = tuple.getSize(); | ||
63 | var array = new Object[tuple.getSize()]; | ||
64 | for (int i = 0; i < size; i++) { | ||
65 | var value = tuple.get(i); | ||
66 | if (value >= 0) { | ||
67 | array[i] = Tuple.of(value); | ||
68 | } | ||
69 | } | ||
70 | return array; | ||
71 | } | ||
72 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/StatefulMultisetAggregator.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/StatefulMultisetAggregator.java new file mode 100644 index 00000000..461416f7 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/StatefulMultisetAggregator.java | |||
@@ -0,0 +1,65 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.pquery; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator; | ||
9 | import tools.refinery.store.query.term.StatefulAggregate; | ||
10 | import tools.refinery.store.query.term.StatefulAggregator; | ||
11 | |||
12 | import java.util.stream.Stream; | ||
13 | |||
14 | record StatefulMultisetAggregator<R, T>(StatefulAggregator<R, T> aggregator) | ||
15 | implements IMultisetAggregationOperator<T, StatefulAggregate<R, T>, R> { | ||
16 | @Override | ||
17 | public String getShortDescription() { | ||
18 | return getName(); | ||
19 | } | ||
20 | |||
21 | @Override | ||
22 | public String getName() { | ||
23 | return aggregator.toString(); | ||
24 | } | ||
25 | |||
26 | @Override | ||
27 | public StatefulAggregate<R, T> createNeutral() { | ||
28 | return aggregator.createEmptyAggregate(); | ||
29 | } | ||
30 | |||
31 | @Override | ||
32 | public boolean isNeutral(StatefulAggregate<R, T> result) { | ||
33 | return result.isEmpty(); | ||
34 | } | ||
35 | |||
36 | @Override | ||
37 | public StatefulAggregate<R, T> update(StatefulAggregate<R, T> oldResult, T updateValue, boolean isInsertion) { | ||
38 | if (isInsertion) { | ||
39 | oldResult.add(updateValue); | ||
40 | } else { | ||
41 | oldResult.remove(updateValue); | ||
42 | } | ||
43 | return oldResult; | ||
44 | } | ||
45 | |||
46 | @Override | ||
47 | public R getAggregate(StatefulAggregate<R, T> result) { | ||
48 | return result.getResult(); | ||
49 | } | ||
50 | |||
51 | @Override | ||
52 | public R aggregateStream(Stream<T> stream) { | ||
53 | return aggregator.aggregateStream(stream); | ||
54 | } | ||
55 | |||
56 | @Override | ||
57 | public StatefulAggregate<R, T> clone(StatefulAggregate<R, T> original) { | ||
58 | return original.deepCopy(); | ||
59 | } | ||
60 | |||
61 | @Override | ||
62 | public boolean contains(T value, StatefulAggregate<R, T> accumulator) { | ||
63 | return accumulator.contains(value); | ||
64 | } | ||
65 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/StatelessMultisetAggregator.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/StatelessMultisetAggregator.java new file mode 100644 index 00000000..49175d75 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/StatelessMultisetAggregator.java | |||
@@ -0,0 +1,55 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.pquery; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.psystem.aggregations.IMultisetAggregationOperator; | ||
9 | import tools.refinery.store.query.term.StatelessAggregator; | ||
10 | |||
11 | import java.util.stream.Stream; | ||
12 | |||
13 | record StatelessMultisetAggregator<R, T>(StatelessAggregator<R, T> aggregator) | ||
14 | implements IMultisetAggregationOperator<T, R, R> { | ||
15 | @Override | ||
16 | public String getShortDescription() { | ||
17 | return getName(); | ||
18 | } | ||
19 | |||
20 | @Override | ||
21 | public String getName() { | ||
22 | return aggregator.toString(); | ||
23 | } | ||
24 | |||
25 | @Override | ||
26 | public R createNeutral() { | ||
27 | return aggregator.getEmptyResult(); | ||
28 | } | ||
29 | |||
30 | @Override | ||
31 | public boolean isNeutral(R result) { | ||
32 | return createNeutral().equals(result); | ||
33 | } | ||
34 | |||
35 | @Override | ||
36 | public R update(R oldResult, T updateValue, boolean isInsertion) { | ||
37 | return isInsertion ? aggregator.add(oldResult, updateValue) : aggregator.remove(oldResult, updateValue); | ||
38 | } | ||
39 | |||
40 | @Override | ||
41 | public R getAggregate(R result) { | ||
42 | return result; | ||
43 | } | ||
44 | |||
45 | @Override | ||
46 | public R clone(R original) { | ||
47 | // Aggregate result is immutable. | ||
48 | return original; | ||
49 | } | ||
50 | |||
51 | @Override | ||
52 | public R aggregateStream(Stream<T> stream) { | ||
53 | return aggregator.aggregateStream(stream); | ||
54 | } | ||
55 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RelationViewWrapper.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/SymbolViewWrapper.java index c442add8..a777613e 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/RelationViewWrapper.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/SymbolViewWrapper.java | |||
@@ -1,10 +1,15 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.pquery; | 6 | package tools.refinery.store.query.viatra.internal.pquery; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.matchers.context.common.BaseInputKeyWrapper; | 8 | import org.eclipse.viatra.query.runtime.matchers.context.common.BaseInputKeyWrapper; |
4 | import tools.refinery.store.query.view.AnyRelationView; | 9 | import tools.refinery.store.query.view.AnySymbolView; |
5 | 10 | ||
6 | public class RelationViewWrapper extends BaseInputKeyWrapper<AnyRelationView> { | 11 | public class SymbolViewWrapper extends BaseInputKeyWrapper<AnySymbolView> { |
7 | public RelationViewWrapper(AnyRelationView wrappedKey) { | 12 | public SymbolViewWrapper(AnySymbolView wrappedKey) { |
8 | super(wrappedKey); | 13 | super(wrappedKey); |
9 | } | 14 | } |
10 | 15 | ||
@@ -27,4 +32,9 @@ public class RelationViewWrapper extends BaseInputKeyWrapper<AnyRelationView> { | |||
27 | public boolean isEnumerable() { | 32 | public boolean isEnumerable() { |
28 | return true; | 33 | return true; |
29 | } | 34 | } |
35 | |||
36 | @Override | ||
37 | public String toString() { | ||
38 | return "RelationViewWrapper{wrappedKey=%s}".formatted(wrappedKey); | ||
39 | } | ||
30 | } | 40 | } |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/TermEvaluator.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/TermEvaluator.java new file mode 100644 index 00000000..1187f57a --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/TermEvaluator.java | |||
@@ -0,0 +1,37 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.pquery; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider; | ||
10 | import tools.refinery.store.query.term.Term; | ||
11 | import tools.refinery.store.query.term.Variable; | ||
12 | |||
13 | import java.util.stream.Collectors; | ||
14 | |||
15 | class TermEvaluator<T> implements IExpressionEvaluator { | ||
16 | private final Term<T> term; | ||
17 | |||
18 | public TermEvaluator(Term<T> term) { | ||
19 | this.term = term; | ||
20 | } | ||
21 | |||
22 | @Override | ||
23 | public String getShortDescription() { | ||
24 | return term.toString(); | ||
25 | } | ||
26 | |||
27 | @Override | ||
28 | public Iterable<String> getInputParameterNames() { | ||
29 | return term.getInputVariables().stream().map(Variable::getUniqueName).collect(Collectors.toUnmodifiableSet()); | ||
30 | } | ||
31 | |||
32 | @Override | ||
33 | public Object evaluateExpression(IValueProvider provider) { | ||
34 | var valuation = new ValueProviderBasedValuation(provider); | ||
35 | return term.evaluate(valuation); | ||
36 | } | ||
37 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/ValueProviderBasedValuation.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/ValueProviderBasedValuation.java new file mode 100644 index 00000000..62cb8b3a --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/pquery/ValueProviderBasedValuation.java | |||
@@ -0,0 +1,19 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.pquery; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider; | ||
9 | import tools.refinery.store.query.term.DataVariable; | ||
10 | import tools.refinery.store.query.valuation.Valuation; | ||
11 | |||
12 | public record ValueProviderBasedValuation(IValueProvider valueProvider) implements Valuation { | ||
13 | @Override | ||
14 | public <T> T getValue(DataVariable<T> variable) { | ||
15 | @SuppressWarnings("unchecked") | ||
16 | var value = (T) valueProvider.getValue(variable.getUniqueName()); | ||
17 | return value; | ||
18 | } | ||
19 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/ModelUpdateListener.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/ModelUpdateListener.java index 8a467066..986bb0b1 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/ModelUpdateListener.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/ModelUpdateListener.java | |||
@@ -1,47 +1,51 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.update; | 6 | package tools.refinery.store.query.viatra.internal.update; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | 8 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; |
4 | import org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContextListener; | 9 | import org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContextListener; |
5 | import org.eclipse.viatra.query.runtime.matchers.tuple.ITuple; | 10 | import org.eclipse.viatra.query.runtime.matchers.tuple.ITuple; |
6 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | 11 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; |
7 | import tools.refinery.store.query.view.AnyRelationView; | 12 | import tools.refinery.store.query.view.AnySymbolView; |
8 | import tools.refinery.store.query.view.RelationView; | 13 | import tools.refinery.store.query.view.SymbolView; |
9 | 14 | ||
10 | import java.util.HashMap; | 15 | import java.util.HashMap; |
11 | import java.util.Map; | 16 | import java.util.Map; |
12 | 17 | ||
13 | public class ModelUpdateListener { | 18 | public class ModelUpdateListener { |
14 | private final Map<AnyRelationView, RelationViewUpdateListener<?>> relationViewUpdateListeners; | 19 | private final Map<AnySymbolView, SymbolViewUpdateListener<?>> symbolViewUpdateListeners; |
15 | 20 | ||
16 | public ModelUpdateListener(ViatraModelQueryAdapterImpl adapter) { | 21 | public ModelUpdateListener(ViatraModelQueryAdapterImpl adapter) { |
17 | var relationViews = adapter.getStoreAdapter().getInputKeys().keySet(); | 22 | var symbolViews = adapter.getStoreAdapter().getInputKeys().keySet(); |
18 | relationViewUpdateListeners = new HashMap<>(relationViews.size()); | 23 | symbolViewUpdateListeners = new HashMap<>(symbolViews.size()); |
19 | for (var relationView : relationViews) { | 24 | for (var symbolView : symbolViews) { |
20 | registerView(adapter, (RelationView<?>) relationView); | 25 | registerView(adapter, (SymbolView<?>) symbolView); |
21 | } | 26 | } |
22 | } | 27 | } |
23 | 28 | ||
24 | private <T> void registerView(ViatraModelQueryAdapterImpl adapter, RelationView<T> relationView) { | 29 | private <T> void registerView(ViatraModelQueryAdapterImpl adapter, SymbolView<T> view) { |
25 | var listener = RelationViewUpdateListener.of(adapter, relationView); | ||
26 | var model = adapter.getModel(); | 30 | var model = adapter.getModel(); |
27 | var interpretation = model.getInterpretation(relationView.getSymbol()); | 31 | var interpretation = model.getInterpretation(view.getSymbol()); |
28 | interpretation.addListener(listener, true); | 32 | var listener = SymbolViewUpdateListener.of(adapter, view, interpretation); |
29 | relationViewUpdateListeners.put(relationView, listener); | 33 | symbolViewUpdateListeners.put(view, listener); |
30 | } | 34 | } |
31 | 35 | ||
32 | public boolean containsRelationView(AnyRelationView relationView) { | 36 | public boolean containsSymbolView(AnySymbolView relationView) { |
33 | return relationViewUpdateListeners.containsKey(relationView); | 37 | return symbolViewUpdateListeners.containsKey(relationView); |
34 | } | 38 | } |
35 | 39 | ||
36 | public void addListener(IInputKey key, AnyRelationView relationView, ITuple seed, | 40 | public void addListener(IInputKey key, AnySymbolView symbolView, ITuple seed, |
37 | IQueryRuntimeContextListener listener) { | 41 | IQueryRuntimeContextListener listener) { |
38 | var relationViewUpdateListener = relationViewUpdateListeners.get(relationView); | 42 | var symbolViewUpdateListener = symbolViewUpdateListeners.get(symbolView); |
39 | relationViewUpdateListener.addFilter(key, seed, listener); | 43 | symbolViewUpdateListener.addFilter(key, seed, listener); |
40 | } | 44 | } |
41 | 45 | ||
42 | public void removeListener(IInputKey key, AnyRelationView relationView, ITuple seed, | 46 | public void removeListener(IInputKey key, AnySymbolView symbolView, ITuple seed, |
43 | IQueryRuntimeContextListener listener) { | 47 | IQueryRuntimeContextListener listener) { |
44 | var relationViewUpdateListener = relationViewUpdateListeners.get(relationView); | 48 | var symbolViewUpdateListener = symbolViewUpdateListeners.get(symbolView); |
45 | relationViewUpdateListener.removeFilter(key, seed, listener); | 49 | symbolViewUpdateListener.removeFilter(key, seed, listener); |
46 | } | 50 | } |
47 | } | 51 | } |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/RelationViewFilter.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/RelationViewFilter.java index 221f1b4a..efdbfcbe 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/RelationViewFilter.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/RelationViewFilter.java | |||
@@ -1,3 +1,8 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.update; | 6 | package tools.refinery.store.query.viatra.internal.update; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | 8 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; |
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/RelationViewUpdateListener.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/RelationViewUpdateListener.java deleted file mode 100644 index bf6b4197..00000000 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/RelationViewUpdateListener.java +++ /dev/null | |||
@@ -1,48 +0,0 @@ | |||
1 | package tools.refinery.store.query.viatra.internal.update; | ||
2 | |||
3 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | ||
4 | import org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContextListener; | ||
5 | import org.eclipse.viatra.query.runtime.matchers.tuple.ITuple; | ||
6 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple; | ||
7 | import tools.refinery.store.model.InterpretationListener; | ||
8 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | ||
9 | import tools.refinery.store.query.view.RelationView; | ||
10 | import tools.refinery.store.query.view.TuplePreservingRelationView; | ||
11 | |||
12 | import java.util.ArrayList; | ||
13 | import java.util.List; | ||
14 | |||
15 | public abstract class RelationViewUpdateListener<T> implements InterpretationListener<T> { | ||
16 | private final ViatraModelQueryAdapterImpl adapter; | ||
17 | private final List<RelationViewFilter> filters = new ArrayList<>(); | ||
18 | |||
19 | protected RelationViewUpdateListener(ViatraModelQueryAdapterImpl adapter) { | ||
20 | this.adapter = adapter; | ||
21 | } | ||
22 | |||
23 | public void addFilter(IInputKey inputKey, ITuple seed, IQueryRuntimeContextListener listener) { | ||
24 | filters.add(new RelationViewFilter(inputKey, seed, listener)); | ||
25 | } | ||
26 | |||
27 | public void removeFilter(IInputKey inputKey, ITuple seed, IQueryRuntimeContextListener listener) { | ||
28 | filters.remove(new RelationViewFilter(inputKey, seed, listener)); | ||
29 | } | ||
30 | |||
31 | protected void processUpdate(Tuple tuple, boolean isInsertion) { | ||
32 | adapter.markAsPending(); | ||
33 | int size = filters.size(); | ||
34 | // Use a for loop instead of a for-each loop to avoid <code>Iterator</code> allocation overhead. | ||
35 | //noinspection ForLoopReplaceableByForEach | ||
36 | for (int i = 0; i < size; i++) { | ||
37 | filters.get(i).update(tuple, isInsertion); | ||
38 | } | ||
39 | } | ||
40 | |||
41 | public static <T> RelationViewUpdateListener<T> of(ViatraModelQueryAdapterImpl adapter, | ||
42 | RelationView<T> relationView) { | ||
43 | if (relationView instanceof TuplePreservingRelationView<T> tuplePreservingRelationView) { | ||
44 | return new TuplePreservingRelationViewUpdateListener<>(adapter, tuplePreservingRelationView); | ||
45 | } | ||
46 | return new TupleChangingRelationViewUpdateListener<>(adapter, relationView); | ||
47 | } | ||
48 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/SymbolViewUpdateListener.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/SymbolViewUpdateListener.java new file mode 100644 index 00000000..f1a2ac7c --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/SymbolViewUpdateListener.java | |||
@@ -0,0 +1,65 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.update; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.context.IInputKey; | ||
9 | import org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContextListener; | ||
10 | import org.eclipse.viatra.query.runtime.matchers.tuple.ITuple; | ||
11 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple; | ||
12 | import tools.refinery.store.model.Interpretation; | ||
13 | import tools.refinery.store.model.InterpretationListener; | ||
14 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | ||
15 | import tools.refinery.store.query.view.SymbolView; | ||
16 | import tools.refinery.store.query.view.TuplePreservingView; | ||
17 | |||
18 | import java.util.ArrayList; | ||
19 | import java.util.List; | ||
20 | |||
21 | public abstract class SymbolViewUpdateListener<T> implements InterpretationListener<T> { | ||
22 | private final ViatraModelQueryAdapterImpl adapter; | ||
23 | private final Interpretation<T> interpretation; | ||
24 | private final List<RelationViewFilter> filters = new ArrayList<>(); | ||
25 | |||
26 | protected SymbolViewUpdateListener(ViatraModelQueryAdapterImpl adapter, Interpretation<T> interpretation) { | ||
27 | this.adapter = adapter; | ||
28 | this.interpretation = interpretation; | ||
29 | } | ||
30 | |||
31 | public void addFilter(IInputKey inputKey, ITuple seed, IQueryRuntimeContextListener listener) { | ||
32 | if (filters.isEmpty()) { | ||
33 | // First filter to be added, from now on we have to subscribe to model updates. | ||
34 | interpretation.addListener(this, true); | ||
35 | } | ||
36 | filters.add(new RelationViewFilter(inputKey, seed, listener)); | ||
37 | } | ||
38 | |||
39 | public void removeFilter(IInputKey inputKey, ITuple seed, IQueryRuntimeContextListener listener) { | ||
40 | if (filters.remove(new RelationViewFilter(inputKey, seed, listener)) && filters.isEmpty()) { | ||
41 | // Last listener to be added, we don't have be subscribed to model updates anymore. | ||
42 | interpretation.removeListener(this); | ||
43 | } | ||
44 | } | ||
45 | |||
46 | protected void processUpdate(Tuple tuple, boolean isInsertion) { | ||
47 | adapter.markAsPending(); | ||
48 | int size = filters.size(); | ||
49 | // Use a for loop instead of a for-each loop to avoid <code>Iterator</code> allocation overhead. | ||
50 | //noinspection ForLoopReplaceableByForEach | ||
51 | for (int i = 0; i < size; i++) { | ||
52 | filters.get(i).update(tuple, isInsertion); | ||
53 | } | ||
54 | } | ||
55 | |||
56 | public static <T> SymbolViewUpdateListener<T> of(ViatraModelQueryAdapterImpl adapter, | ||
57 | SymbolView<T> view, | ||
58 | Interpretation<T> interpretation) { | ||
59 | if (view instanceof TuplePreservingView<T> tuplePreservingRelationView) { | ||
60 | return new TuplePreservingViewUpdateListener<>(adapter, tuplePreservingRelationView, | ||
61 | interpretation); | ||
62 | } | ||
63 | return new TupleChangingViewUpdateListener<>(adapter, view, interpretation); | ||
64 | } | ||
65 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TupleChangingRelationViewUpdateListener.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TupleChangingRelationViewUpdateListener.java deleted file mode 100644 index 14142884..00000000 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TupleChangingRelationViewUpdateListener.java +++ /dev/null | |||
@@ -1,37 +0,0 @@ | |||
1 | package tools.refinery.store.query.viatra.internal.update; | ||
2 | |||
3 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | ||
4 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | ||
5 | import tools.refinery.store.query.view.RelationView; | ||
6 | import tools.refinery.store.tuple.Tuple; | ||
7 | |||
8 | import java.util.Arrays; | ||
9 | |||
10 | public class TupleChangingRelationViewUpdateListener<T> extends RelationViewUpdateListener<T> { | ||
11 | private final RelationView<T> relationView; | ||
12 | |||
13 | TupleChangingRelationViewUpdateListener(ViatraModelQueryAdapterImpl adapter, RelationView<T> relationView) { | ||
14 | super(adapter); | ||
15 | this.relationView = relationView; | ||
16 | } | ||
17 | |||
18 | @Override | ||
19 | public void put(Tuple key, T fromValue, T toValue, boolean restoring) { | ||
20 | boolean fromPresent = relationView.filter(key, fromValue); | ||
21 | boolean toPresent = relationView.filter(key, toValue); | ||
22 | if (fromPresent) { | ||
23 | if (toPresent) { // value change | ||
24 | var fromArray = relationView.forwardMap(key, fromValue); | ||
25 | var toArray = relationView.forwardMap(key, toValue); | ||
26 | if (!Arrays.equals(fromArray, toArray)) { | ||
27 | processUpdate(Tuples.flatTupleOf(fromArray), false); | ||
28 | processUpdate(Tuples.flatTupleOf(toArray), true); | ||
29 | } | ||
30 | } else { // fromValue disappears | ||
31 | processUpdate(Tuples.flatTupleOf(relationView.forwardMap(key, fromValue)), false); | ||
32 | } | ||
33 | } else if (toPresent) { // toValue appears | ||
34 | processUpdate(Tuples.flatTupleOf(relationView.forwardMap(key, toValue)), true); | ||
35 | } | ||
36 | } | ||
37 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TupleChangingViewUpdateListener.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TupleChangingViewUpdateListener.java new file mode 100644 index 00000000..45d35571 --- /dev/null +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TupleChangingViewUpdateListener.java | |||
@@ -0,0 +1,44 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
6 | package tools.refinery.store.query.viatra.internal.update; | ||
7 | |||
8 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | ||
9 | import tools.refinery.store.model.Interpretation; | ||
10 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | ||
11 | import tools.refinery.store.query.view.SymbolView; | ||
12 | import tools.refinery.store.tuple.Tuple; | ||
13 | |||
14 | import java.util.Arrays; | ||
15 | |||
16 | public class TupleChangingViewUpdateListener<T> extends SymbolViewUpdateListener<T> { | ||
17 | private final SymbolView<T> view; | ||
18 | |||
19 | TupleChangingViewUpdateListener(ViatraModelQueryAdapterImpl adapter, SymbolView<T> view, | ||
20 | Interpretation<T> interpretation) { | ||
21 | super(adapter, interpretation); | ||
22 | this.view = view; | ||
23 | } | ||
24 | |||
25 | @Override | ||
26 | public void put(Tuple key, T fromValue, T toValue, boolean restoring) { | ||
27 | boolean fromPresent = view.filter(key, fromValue); | ||
28 | boolean toPresent = view.filter(key, toValue); | ||
29 | if (fromPresent) { | ||
30 | if (toPresent) { // value change | ||
31 | var fromArray = view.forwardMap(key, fromValue); | ||
32 | var toArray = view.forwardMap(key, toValue); | ||
33 | if (!Arrays.equals(fromArray, toArray)) { | ||
34 | processUpdate(Tuples.flatTupleOf(fromArray), false); | ||
35 | processUpdate(Tuples.flatTupleOf(toArray), true); | ||
36 | } | ||
37 | } else { // fromValue disappears | ||
38 | processUpdate(Tuples.flatTupleOf(view.forwardMap(key, fromValue)), false); | ||
39 | } | ||
40 | } else if (toPresent) { // toValue appears | ||
41 | processUpdate(Tuples.flatTupleOf(view.forwardMap(key, toValue)), true); | ||
42 | } | ||
43 | } | ||
44 | } | ||
diff --git a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TuplePreservingRelationViewUpdateListener.java b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TuplePreservingViewUpdateListener.java index 288e018a..c18dbafb 100644 --- a/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TuplePreservingRelationViewUpdateListener.java +++ b/subprojects/store-query-viatra/src/main/java/tools/refinery/store/query/viatra/internal/update/TuplePreservingViewUpdateListener.java | |||
@@ -1,16 +1,22 @@ | |||
1 | /* | ||
2 | * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/> | ||
3 | * | ||
4 | * SPDX-License-Identifier: EPL-2.0 | ||
5 | */ | ||
1 | package tools.refinery.store.query.viatra.internal.update; | 6 | package tools.refinery.store.query.viatra.internal.update; |
2 | 7 | ||
3 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; | 8 | import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples; |
9 | import tools.refinery.store.model.Interpretation; | ||
4 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; | 10 | import tools.refinery.store.query.viatra.internal.ViatraModelQueryAdapterImpl; |
5 | import tools.refinery.store.query.view.TuplePreservingRelationView; | 11 | import tools.refinery.store.query.view.TuplePreservingView; |
6 | import tools.refinery.store.tuple.Tuple; | 12 | import tools.refinery.store.tuple.Tuple; |
7 | 13 | ||
8 | public class TuplePreservingRelationViewUpdateListener<T> extends RelationViewUpdateListener<T> { | 14 | public class TuplePreservingViewUpdateListener<T> extends SymbolViewUpdateListener<T> { |
9 | private final TuplePreservingRelationView<T> view; | 15 | private final TuplePreservingView<T> view; |
10 | 16 | ||
11 | TuplePreservingRelationViewUpdateListener(ViatraModelQueryAdapterImpl adapter, | 17 | TuplePreservingViewUpdateListener(ViatraModelQueryAdapterImpl adapter, TuplePreservingView<T> view, |
12 | TuplePreservingRelationView<T> view) { | 18 | Interpretation<T> interpretation) { |
13 | super(adapter); | 19 | super(adapter, interpretation); |
14 | this.view = view; | 20 | this.view = view; |
15 | } | 21 | } |
16 | 22 | ||