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-rw-r--r--subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/AbstractTimelyMaskedMemory.java228
-rw-r--r--subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/AbstractTimelyTrivialMaskedMemory.java100
-rw-r--r--subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyDefaultMaskedTupleMemory.java98
-rw-r--r--subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyIdentityMaskedTupleMemory.java106
-rw-r--r--subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyNullaryMaskedTupleMemory.java108
-rw-r--r--subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyUnaryMaskedTupleMemory.java133
6 files changed, 773 insertions, 0 deletions
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/AbstractTimelyMaskedMemory.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/AbstractTimelyMaskedMemory.java
new file mode 100644
index 00000000..45ce3a4e
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/AbstractTimelyMaskedMemory.java
@@ -0,0 +1,228 @@
1/*******************************************************************************
2 * Copyright (c) 2010-2018, Gabor Bergmann, IncQuery Labs Ltd.
3 * This program and the accompanying materials are made available under the
4 * terms of the Eclipse Public License v. 2.0 which is available at
5 * http://www.eclipse.org/legal/epl-v20.html.
6 *
7 * SPDX-License-Identifier: EPL-2.0
8 *******************************************************************************/
9package tools.refinery.viatra.runtime.matchers.memories.timely;
10
11import java.util.Collection;
12import java.util.Iterator;
13import java.util.Map;
14import java.util.Map.Entry;
15import java.util.Objects;
16import java.util.Set;
17import java.util.TreeMap;
18
19import tools.refinery.viatra.runtime.matchers.memories.MaskedTupleMemory;
20import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
21import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
22import tools.refinery.viatra.runtime.matchers.util.CollectionsFactory;
23import tools.refinery.viatra.runtime.matchers.util.Direction;
24import tools.refinery.viatra.runtime.matchers.util.Signed;
25import tools.refinery.viatra.runtime.matchers.util.TimelyMemory;
26import tools.refinery.viatra.runtime.matchers.util.timeline.Diff;
27import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
28
29/**
30 * Common parts of timely default and timely unary implementations.
31 *
32 * @noextend This class is not intended to be subclassed by clients.
33 * @author Tamas Szabo
34 * @since 2.3
35 */
36abstract class AbstractTimelyMaskedMemory<Timestamp extends Comparable<Timestamp>, KeyType>
37 extends MaskedTupleMemory<Timestamp> {
38
39 protected final TreeMap<Timestamp, Set<KeyType>> foldingStates;
40 protected final Map<KeyType, TimelyMemory<Timestamp>> memoryMap;
41 protected final boolean isLazy;
42
43 public AbstractTimelyMaskedMemory(final TupleMask mask, final Object owner, final boolean isLazy) {
44 super(mask, owner);
45 this.isLazy = isLazy;
46 this.memoryMap = CollectionsFactory.createMap();
47 this.foldingStates = this.isLazy ? CollectionsFactory.createTreeMap() : null;
48 }
49
50 @Override
51 public void initializeWith(final MaskedTupleMemory<Timestamp> other, final Timestamp defaultValue) {
52 final Iterable<Tuple> signatures = other.getSignatures();
53 for (final Tuple signature : signatures) {
54 if (other.isTimely()) {
55 final Map<Tuple, Timeline<Timestamp>> tupleMap = other.getWithTimeline(signature);
56 for (final Entry<Tuple, Timeline<Timestamp>> entry : tupleMap.entrySet()) {
57 for (final Signed<Timestamp> signed : entry.getValue().asChangeSequence()) {
58 if (signed.getDirection() == Direction.DELETE) {
59 this.removeWithTimestamp(entry.getKey(), signed.getPayload());
60 } else {
61 this.addWithTimestamp(entry.getKey(), signed.getPayload());
62 }
63 }
64 }
65 } else {
66 final Collection<Tuple> tuples = other.get(signature);
67 for (final Tuple tuple : tuples) {
68 this.addWithTimestamp(tuple, defaultValue);
69 }
70 }
71 }
72 }
73
74 public boolean isPresentAtInfinityInteral(KeyType key) {
75 final TimelyMemory<Timestamp> values = this.memoryMap.get(key);
76 if (values == null) {
77 return false;
78 } else {
79 return values.getCountAtInfinity() != 0;
80 }
81 }
82
83 @Override
84 public void clear() {
85 this.memoryMap.clear();
86 }
87
88 @Override
89 public int getKeysetSize() {
90 return this.memoryMap.keySet().size();
91 }
92
93 @Override
94 public int getTotalSize() {
95 int i = 0;
96 for (final Entry<KeyType, TimelyMemory<Timestamp>> entry : this.memoryMap.entrySet()) {
97 i += entry.getValue().size();
98 }
99 return i;
100 }
101
102 @Override
103 public Iterator<Tuple> iterator() {
104 return this.memoryMap.values().stream().flatMap(e -> e.keySet().stream()).iterator();
105 }
106
107 protected Collection<Tuple> getInternal(final KeyType key) {
108 final TimelyMemory<Timestamp> memory = this.memoryMap.get(key);
109 if (memory == null) {
110 return null;
111 } else {
112 return memory.getTuplesAtInfinity();
113 }
114 }
115
116 public Map<Tuple, Timeline<Timestamp>> getWithTimestampInternal(final KeyType key) {
117 final TimelyMemory<Timestamp> memory = this.memoryMap.get(key);
118 if (memory == null) {
119 return null;
120 } else {
121 return memory.asMap();
122 }
123 }
124
125 protected Diff<Timestamp> removeInternal(final KeyType key, final Tuple tuple, final Timestamp timestamp) {
126 Timestamp oldResumableTimestamp = null;
127 Timestamp newResumableTimestamp = null;
128
129 final TimelyMemory<Timestamp> keyMemory = this.memoryMap.get(key);
130 if (keyMemory == null) {
131 throw raiseDuplicateDeletion(tuple);
132 }
133
134 if (this.isLazy) {
135 oldResumableTimestamp = keyMemory.getResumableTimestamp();
136 }
137
138 Diff<Timestamp> diff = null;
139 try {
140 diff = keyMemory.remove(tuple, timestamp);
141 } catch (final IllegalStateException e) {
142 throw raiseDuplicateDeletion(tuple);
143 }
144 if (keyMemory.isEmpty()) {
145 this.memoryMap.remove(key);
146 }
147
148 if (this.isLazy) {
149 newResumableTimestamp = keyMemory.getResumableTimestamp();
150 if (!Objects.equals(oldResumableTimestamp, newResumableTimestamp)) {
151 unregisterFoldingState(oldResumableTimestamp, key);
152 registerFoldingState(newResumableTimestamp, key);
153 }
154 }
155
156 return diff;
157 }
158
159 protected Diff<Timestamp> addInternal(final KeyType key, final Tuple tuple, final Timestamp timestamp) {
160 Timestamp oldResumableTimestamp = null;
161 Timestamp newResumableTimestamp = null;
162
163 final TimelyMemory<Timestamp> keyMemory = this.memoryMap.computeIfAbsent(key,
164 k -> new TimelyMemory<Timestamp>(this.isLazy));
165
166 if (this.isLazy) {
167 oldResumableTimestamp = keyMemory.getResumableTimestamp();
168 }
169
170 final Diff<Timestamp> diff = keyMemory.put(tuple, timestamp);
171
172 if (this.isLazy) {
173 newResumableTimestamp = keyMemory.getResumableTimestamp();
174 if (!Objects.equals(oldResumableTimestamp, newResumableTimestamp)) {
175 unregisterFoldingState(oldResumableTimestamp, key);
176 registerFoldingState(newResumableTimestamp, key);
177 }
178 }
179
180 return diff;
181 }
182
183 @Override
184 public Diff<Timestamp> removeWithTimestamp(final Tuple tuple, final Timestamp timestamp) {
185 return removeWithTimestamp(tuple, null, timestamp);
186 }
187
188 @Override
189 public Diff<Timestamp> addWithTimestamp(final Tuple tuple, final Timestamp timestamp) {
190 return addWithTimestamp(tuple, null, timestamp);
191 }
192
193 @Override
194 public boolean isTimely() {
195 return true;
196 }
197
198 protected void registerFoldingState(final Timestamp timestamp, final KeyType key) {
199 if (timestamp != null) {
200 this.foldingStates.compute(timestamp, (k, v) -> {
201 if (v == null) {
202 v = CollectionsFactory.createSet();
203 }
204 v.add(key);
205 return v;
206 });
207 }
208 }
209
210 protected void unregisterFoldingState(final Timestamp timestamp, final KeyType key) {
211 if (timestamp != null) {
212 this.foldingStates.compute(timestamp, (k, v) -> {
213 v.remove(key);
214 return v.isEmpty() ? null : v;
215 });
216 }
217 }
218
219 @Override
220 public Timestamp getResumableTimestamp() {
221 if (this.foldingStates == null || this.foldingStates.isEmpty()) {
222 return null;
223 } else {
224 return this.foldingStates.firstKey();
225 }
226 }
227
228}
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/AbstractTimelyTrivialMaskedMemory.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/AbstractTimelyTrivialMaskedMemory.java
new file mode 100644
index 00000000..ca06685a
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/AbstractTimelyTrivialMaskedMemory.java
@@ -0,0 +1,100 @@
1/*******************************************************************************
2 * Copyright (c) 2010-2018, Gabor Bergmann, IncQuery Labs Ltd.
3 * This program and the accompanying materials are made available under the
4 * terms of the Eclipse Public License v. 2.0 which is available at
5 * http://www.eclipse.org/legal/epl-v20.html.
6 *
7 * SPDX-License-Identifier: EPL-2.0
8 *******************************************************************************/
9package tools.refinery.viatra.runtime.matchers.memories.timely;
10
11import java.util.Collection;
12import java.util.Iterator;
13import java.util.Map;
14import java.util.Map.Entry;
15
16import tools.refinery.viatra.runtime.matchers.memories.MaskedTupleMemory;
17import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
18import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
19import tools.refinery.viatra.runtime.matchers.util.Direction;
20import tools.refinery.viatra.runtime.matchers.util.Signed;
21import tools.refinery.viatra.runtime.matchers.util.TimelyMemory;
22import tools.refinery.viatra.runtime.matchers.util.timeline.Diff;
23import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
24
25/**
26 * Common parts of timely nullary and timely identity implementations.
27 *
28 * @noextend This class is not intended to be subclassed by clients.
29 * @author Tamas Szabo
30 * @since 2.3
31 */
32abstract class AbstractTimelyTrivialMaskedMemory<Timestamp extends Comparable<Timestamp>> extends MaskedTupleMemory<Timestamp> {
33
34 protected final TimelyMemory<Timestamp> memory;
35
36 protected AbstractTimelyTrivialMaskedMemory(final TupleMask mask, final Object owner, final boolean isLazy) {
37 super(mask, owner);
38 this.memory = new TimelyMemory<Timestamp>(isLazy);
39 }
40
41 @Override
42 public void initializeWith(final MaskedTupleMemory<Timestamp> other, final Timestamp defaultValue) {
43 final Iterable<Tuple> signatures = other.getSignatures();
44 for (final Tuple signature : signatures) {
45 if (other.isTimely()) {
46 final Map<Tuple, Timeline<Timestamp>> tupleMap = other.getWithTimeline(signature);
47 for (final Entry<Tuple, Timeline<Timestamp>> entry : tupleMap.entrySet()) {
48 for (final Signed<Timestamp> signed : entry.getValue().asChangeSequence()) {
49 if (signed.getDirection() == Direction.DELETE) {
50 this.removeWithTimestamp(entry.getKey(), signed.getPayload());
51 } else {
52 this.addWithTimestamp(entry.getKey(), signed.getPayload());
53 }
54 }
55 }
56 } else {
57 final Collection<Tuple> tuples = other.get(signature);
58 for (final Tuple tuple : tuples) {
59 this.removeWithTimestamp(tuple, defaultValue);
60 }
61 }
62 }
63 }
64
65 @Override
66 public void clear() {
67 this.memory.clear();
68 }
69
70 @Override
71 public int getTotalSize() {
72 return this.memory.size();
73 }
74
75 @Override
76 public Iterator<Tuple> iterator() {
77 return this.memory.keySet().iterator();
78 }
79
80 @Override
81 public Diff<Timestamp> removeWithTimestamp(final Tuple tuple, final Timestamp timestamp) {
82 return removeWithTimestamp(tuple, null, timestamp);
83 }
84
85 @Override
86 public Diff<Timestamp> addWithTimestamp(final Tuple tuple, final Timestamp timestamp) {
87 return addWithTimestamp(tuple, null, timestamp);
88 }
89
90 @Override
91 public boolean isTimely() {
92 return true;
93 }
94
95 @Override
96 public Timestamp getResumableTimestamp() {
97 return this.memory.getResumableTimestamp();
98 }
99
100}
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyDefaultMaskedTupleMemory.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyDefaultMaskedTupleMemory.java
new file mode 100644
index 00000000..623d7399
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyDefaultMaskedTupleMemory.java
@@ -0,0 +1,98 @@
1/*******************************************************************************
2 * Copyright (c) 2004-2008 Gabor Bergmann and Daniel Varro
3 * This program and the accompanying materials are made available under the
4 * terms of the Eclipse Public License v. 2.0 which is available at
5 * http://www.eclipse.org/legal/epl-v20.html.
6 *
7 * SPDX-License-Identifier: EPL-2.0
8 *******************************************************************************/
9
10package tools.refinery.viatra.runtime.matchers.memories.timely;
11
12import java.util.Collection;
13import java.util.Collections;
14import java.util.Map;
15import java.util.Set;
16
17import tools.refinery.viatra.runtime.matchers.tuple.ITuple;
18import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
19import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
20import tools.refinery.viatra.runtime.matchers.util.CollectionsFactory;
21import tools.refinery.viatra.runtime.matchers.util.TimelyMemory;
22import tools.refinery.viatra.runtime.matchers.util.timeline.Diff;
23import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
24
25/**
26 * Default timely implementation that covers all cases.
27 *
28 * @author Tamas Szabo
29 * @since 2.3
30 */
31public final class TimelyDefaultMaskedTupleMemory<Timestamp extends Comparable<Timestamp>>
32 extends AbstractTimelyMaskedMemory<Timestamp, Tuple> {
33
34 public TimelyDefaultMaskedTupleMemory(final TupleMask mask, final Object owner, final boolean isLazy) {
35 super(mask, owner, isLazy);
36 }
37
38 @Override
39 public Iterable<Tuple> getSignatures() {
40 return this.memoryMap.keySet();
41 }
42
43 @Override
44 public Diff<Timestamp> removeWithTimestamp(final Tuple tuple, final Tuple signature,
45 final Timestamp timestamp) {
46 final Tuple key = mask.transform(tuple);
47 return removeInternal(key, tuple, timestamp);
48 }
49
50 @Override
51 public Diff<Timestamp> addWithTimestamp(final Tuple tuple, final Tuple signature,
52 final Timestamp timestamp) {
53 final Tuple key = this.mask.transform(tuple);
54 return addInternal(key, tuple, timestamp);
55 }
56
57 @Override
58 public Collection<Tuple> get(final ITuple signature) {
59 return getInternal(signature.toImmutable());
60 }
61
62 @Override
63 public Map<Tuple, Timeline<Timestamp>> getWithTimeline(final ITuple signature) {
64 return getWithTimestampInternal(signature.toImmutable());
65 }
66
67 @Override
68 public boolean isPresentAtInfinity(final ITuple signature) {
69 return isPresentAtInfinityInteral(signature.toImmutable());
70 }
71
72 @Override
73 public Set<Tuple> getResumableSignatures() {
74 if (this.foldingStates == null || this.foldingStates.isEmpty()) {
75 return Collections.emptySet();
76 } else {
77 return this.foldingStates.firstEntry().getValue();
78 }
79 }
80
81 @Override
82 public Map<Tuple, Map<Tuple, Diff<Timestamp>>> resumeAt(final Timestamp timestamp) {
83 final Map<Tuple, Map<Tuple, Diff<Timestamp>>> result = CollectionsFactory.createMap();
84 final Timestamp resumableTimestamp = this.getResumableTimestamp();
85 if (resumableTimestamp == null || resumableTimestamp.compareTo(timestamp) != 0) {
86 throw new IllegalStateException("Expected to continue folding at " + resumableTimestamp + "!");
87 }
88 final Set<Tuple> signatures = this.foldingStates.remove(timestamp);
89 for (final Tuple signature : signatures) {
90 final TimelyMemory<Timestamp> memory = this.memoryMap.get(signature);
91 final Map<Tuple, Diff<Timestamp>> diffMap = memory.resumeAt(resumableTimestamp);
92 result.put(signature, diffMap);
93 registerFoldingState(memory.getResumableTimestamp(), signature);
94 }
95 return result;
96 }
97
98}
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyIdentityMaskedTupleMemory.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyIdentityMaskedTupleMemory.java
new file mode 100644
index 00000000..568f274d
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyIdentityMaskedTupleMemory.java
@@ -0,0 +1,106 @@
1/*******************************************************************************
2 * Copyright (c) 2010-2018, Gabor Bergmann, IncQuery Labs Ltd.
3 * This program and the accompanying materials are made available under the
4 * terms of the Eclipse Public License v. 2.0 which is available at
5 * http://www.eclipse.org/legal/epl-v20.html.
6 *
7 * SPDX-License-Identifier: EPL-2.0
8 *******************************************************************************/
9package tools.refinery.viatra.runtime.matchers.memories.timely;
10
11import java.util.Collection;
12import java.util.Collections;
13import java.util.Map;
14import java.util.Map.Entry;
15import java.util.Set;
16
17import tools.refinery.viatra.runtime.matchers.tuple.ITuple;
18import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
19import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
20import tools.refinery.viatra.runtime.matchers.util.CollectionsFactory;
21import tools.refinery.viatra.runtime.matchers.util.timeline.Diff;
22import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
23
24/**
25 * Timely specialization for identity mask.
26 *
27 * @author Tamas Szabo
28 * @since 2.3
29 */
30public final class TimelyIdentityMaskedTupleMemory<Timestamp extends Comparable<Timestamp>>
31 extends AbstractTimelyTrivialMaskedMemory<Timestamp> {
32
33 public TimelyIdentityMaskedTupleMemory(final TupleMask mask, final Object owner, final boolean isLazy) {
34 super(mask, owner, isLazy);
35 if (!mask.isIdentity())
36 throw new IllegalArgumentException(mask.toString());
37 }
38
39 @Override
40 public int getKeysetSize() {
41 return this.memory.size();
42 }
43
44 @Override
45 public Iterable<Tuple> getSignatures() {
46 return this.memory.keySet();
47 }
48
49 @Override
50 public Collection<Tuple> get(final ITuple signature) {
51 if (this.memory.getTuplesAtInfinity().contains(signature)) {
52 return Collections.singleton(signature.toImmutable());
53 } else {
54 return null;
55 }
56 }
57
58 @Override
59 public Map<Tuple, Timeline<Timestamp>> getWithTimeline(final ITuple signature) {
60 final Timeline<Timestamp> value = this.memory.get(signature);
61 if (value != null) {
62 return Collections.singletonMap(signature.toImmutable(), value);
63 } else {
64 return null;
65 }
66 }
67
68 @Override
69 public Diff<Timestamp> removeWithTimestamp(final Tuple tuple, final Tuple signature, final Timestamp timestamp) {
70 try {
71 return this.memory.remove(tuple, timestamp);
72 } catch (final IllegalStateException e) {
73 throw raiseDuplicateDeletion(tuple);
74 }
75 }
76
77 @Override
78 public Diff<Timestamp> addWithTimestamp(final Tuple tuple, final Tuple signature, final Timestamp timestamp) {
79 return this.memory.put(tuple, timestamp);
80 }
81
82 @Override
83 public boolean isPresentAtInfinity(final ITuple signature) {
84 return this.memory.isPresentAtInfinity(signature.toImmutable());
85 }
86
87 @Override
88 public Set<Tuple> getResumableSignatures() {
89 if (this.memory.getResumableTimestamp() != null) {
90 return this.memory.getResumableTuples();
91 } else {
92 return Collections.emptySet();
93 }
94 }
95
96 @Override
97 public Map<Tuple, Map<Tuple, Diff<Timestamp>>> resumeAt(final Timestamp timestamp) {
98 final Map<Tuple, Diff<Timestamp>> diffMap = this.memory.resumeAt(timestamp);
99 final Map<Tuple, Map<Tuple, Diff<Timestamp>>> result = CollectionsFactory.createMap();
100 for (final Entry<Tuple, Diff<Timestamp>> entry : diffMap.entrySet()) {
101 result.put(entry.getKey(), Collections.singletonMap(entry.getKey(), entry.getValue()));
102 }
103 return result;
104 }
105
106}
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyNullaryMaskedTupleMemory.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyNullaryMaskedTupleMemory.java
new file mode 100644
index 00000000..75987a89
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyNullaryMaskedTupleMemory.java
@@ -0,0 +1,108 @@
1/*******************************************************************************
2 * Copyright (c) 2010-2018, Gabor Bergmann, IncQuery Labs Ltd.
3 * This program and the accompanying materials are made available under the
4 * terms of the Eclipse Public License v. 2.0 which is available at
5 * http://www.eclipse.org/legal/epl-v20.html.
6 *
7 * SPDX-License-Identifier: EPL-2.0
8 *******************************************************************************/
9package tools.refinery.viatra.runtime.matchers.memories.timely;
10
11import java.util.Collection;
12import java.util.Collections;
13import java.util.Map;
14import java.util.Set;
15
16import tools.refinery.viatra.runtime.matchers.tuple.ITuple;
17import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
18import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
19import tools.refinery.viatra.runtime.matchers.tuple.Tuples;
20import tools.refinery.viatra.runtime.matchers.util.timeline.Diff;
21import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
22
23/**
24 * Timely specialization for nullary mask.
25 *
26 * @author Tamas Szabo
27 * @since 2.3
28 */
29public final class TimelyNullaryMaskedTupleMemory<Timestamp extends Comparable<Timestamp>>
30 extends AbstractTimelyTrivialMaskedMemory<Timestamp> {
31
32 protected static final Tuple EMPTY_TUPLE = Tuples.staticArityFlatTupleOf();
33 protected static final Set<Tuple> UNIT_RELATION = Collections.singleton(EMPTY_TUPLE);
34 protected static final Set<Tuple> EMPTY_RELATION = Collections.emptySet();
35
36 public TimelyNullaryMaskedTupleMemory(final TupleMask mask, final Object owner, final boolean isLazy) {
37 super(mask, owner, isLazy);
38 if (0 != mask.getSize()) {
39 throw new IllegalArgumentException(mask.toString());
40 }
41 }
42
43 @Override
44 public int getKeysetSize() {
45 return this.memory.isEmpty() ? 0 : 1;
46 }
47
48 @Override
49 public Iterable<Tuple> getSignatures() {
50 return this.memory.isEmpty() ? EMPTY_RELATION : UNIT_RELATION;
51 }
52
53 @Override
54 public Collection<Tuple> get(final ITuple signature) {
55 if (0 == signature.getSize()) {
56 return this.memory.getTuplesAtInfinity();
57 } else {
58 return null;
59 }
60 }
61
62 @Override
63 public Map<Tuple, Timeline<Timestamp>> getWithTimeline(final ITuple signature) {
64 if (0 == signature.getSize()) {
65 return this.memory.asMap();
66 } else {
67 return null;
68 }
69 }
70
71 @Override
72 public Diff<Timestamp> removeWithTimestamp(final Tuple tuple, final Tuple signature, final Timestamp timestamp) {
73 try {
74 return this.memory.remove(tuple, timestamp);
75 } catch (final IllegalStateException e) {
76 throw raiseDuplicateDeletion(tuple);
77 }
78 }
79
80 @Override
81 public Diff<Timestamp> addWithTimestamp(final Tuple tuple, final Tuple signature, final Timestamp timestamp) {
82 return this.memory.put(tuple, timestamp);
83 }
84
85 @Override
86 public boolean isPresentAtInfinity(final ITuple signature) {
87 if (0 == signature.getSize()) {
88 return this.memory.getCountAtInfinity() > 0;
89 } else {
90 return false;
91 }
92 }
93
94 @Override
95 public Set<Tuple> getResumableSignatures() {
96 if (this.memory.getResumableTimestamp() != null) {
97 return UNIT_RELATION;
98 } else {
99 return EMPTY_RELATION;
100 }
101 }
102
103 @Override
104 public Map<Tuple, Map<Tuple, Diff<Timestamp>>> resumeAt(final Timestamp timestamp) {
105 return Collections.singletonMap(EMPTY_TUPLE, this.memory.resumeAt(timestamp));
106 }
107
108}
diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyUnaryMaskedTupleMemory.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyUnaryMaskedTupleMemory.java
new file mode 100644
index 00000000..178193af
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/matchers/memories/timely/TimelyUnaryMaskedTupleMemory.java
@@ -0,0 +1,133 @@
1/*******************************************************************************
2 * Copyright (c) 2010-2018, Gabor Bergmann, IncQuery Labs Ltd.
3 * This program and the accompanying materials are made available under the
4 * terms of the Eclipse Public License v. 2.0 which is available at
5 * http://www.eclipse.org/legal/epl-v20.html.
6 *
7 * SPDX-License-Identifier: EPL-2.0
8 *******************************************************************************/
9package tools.refinery.viatra.runtime.matchers.memories.timely;
10
11import java.util.Collection;
12import java.util.Collections;
13import java.util.Iterator;
14import java.util.Map;
15import java.util.Set;
16
17import tools.refinery.viatra.runtime.matchers.tuple.ITuple;
18import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
19import tools.refinery.viatra.runtime.matchers.tuple.TupleMask;
20import tools.refinery.viatra.runtime.matchers.tuple.Tuples;
21import tools.refinery.viatra.runtime.matchers.util.CollectionsFactory;
22import tools.refinery.viatra.runtime.matchers.util.TimelyMemory;
23import tools.refinery.viatra.runtime.matchers.util.timeline.Diff;
24import tools.refinery.viatra.runtime.matchers.util.timeline.Timeline;
25
26/**
27 * Timely specialization for unary mask.
28 *
29 * @author Tamas Szabo
30 * @since 2.3
31 */
32public final class TimelyUnaryMaskedTupleMemory<Timestamp extends Comparable<Timestamp>>
33 extends AbstractTimelyMaskedMemory<Timestamp, Object> {
34
35 protected final int keyPosition;
36
37 public TimelyUnaryMaskedTupleMemory(final TupleMask mask, final Object owner, final boolean isLazy) {
38 super(mask, owner, isLazy);
39 if (1 != mask.getSize())
40 throw new IllegalArgumentException(mask.toString());
41 this.keyPosition = mask.indices[0];
42 }
43
44 @Override
45 public Iterable<Tuple> getSignatures() {
46 return () -> {
47 final Iterator<Object> wrapped = this.memoryMap.keySet().iterator();
48 return new Iterator<Tuple>() {
49 @Override
50 public boolean hasNext() {
51 return wrapped.hasNext();
52 }
53
54 @Override
55 public Tuple next() {
56 final Object key = wrapped.next();
57 return Tuples.staticArityFlatTupleOf(key);
58 }
59 };
60 };
61 }
62
63 @Override
64 public Diff<Timestamp> removeWithTimestamp(final Tuple tuple, final Tuple signature, final Timestamp timestamp) {
65 final Object key = tuple.get(keyPosition);
66 return removeInternal(key, tuple, timestamp);
67 }
68
69 @Override
70 public Diff<Timestamp> addWithTimestamp(final Tuple tuple, final Tuple signature, final Timestamp timestamp) {
71 final Object key = tuple.get(keyPosition);
72 return addInternal(key, tuple, timestamp);
73 }
74
75 @Override
76 public Collection<Tuple> get(final ITuple signature) {
77 return getInternal(signature.get(0));
78 }
79
80 @Override
81 public Map<Tuple, Timeline<Timestamp>> getWithTimeline(final ITuple signature) {
82 return getWithTimestampInternal(signature.get(0));
83 }
84
85 @Override
86 public boolean isPresentAtInfinity(ITuple signature) {
87 return isPresentAtInfinityInteral(signature.get(0));
88 }
89
90 @Override
91 public Iterable<Tuple> getResumableSignatures() {
92 if (this.foldingStates == null || this.foldingStates.isEmpty()) {
93 return Collections.emptySet();
94 } else {
95 return () -> {
96 final Iterator<Object> wrapped = this.foldingStates.firstEntry().getValue().iterator();
97 return new Iterator<Tuple>() {
98 @Override
99 public boolean hasNext() {
100 return wrapped.hasNext();
101 }
102
103 @Override
104 public Tuple next() {
105 final Object key = wrapped.next();
106 return Tuples.staticArityFlatTupleOf(key);
107 }
108 };
109 };
110 }
111 }
112
113 @Override
114 public Map<Tuple, Map<Tuple, Diff<Timestamp>>> resumeAt(final Timestamp timestamp) {
115 final Map<Tuple, Map<Tuple, Diff<Timestamp>>> result = CollectionsFactory.createMap();
116 final Timestamp resumableTimestamp = this.getResumableTimestamp();
117 if (resumableTimestamp == null) {
118 throw new IllegalStateException("There is nothing to fold!");
119 } else if (resumableTimestamp.compareTo(timestamp) != 0) {
120 throw new IllegalStateException("Expected to continue folding at " + resumableTimestamp + "!");
121 }
122
123 final Set<Object> signatures = this.foldingStates.remove(timestamp);
124 for (final Object signature : signatures) {
125 final TimelyMemory<Timestamp> memory = this.memoryMap.get(signature);
126 final Map<Tuple, Diff<Timestamp>> diffMap = memory.resumeAt(resumableTimestamp);
127 result.put(Tuples.staticArityFlatTupleOf(signature), diffMap);
128 registerFoldingState(memory.getResumableTimestamp(), signature);
129 }
130 return result;
131 }
132
133}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-09-27 20:07:22 +0000