From e904f9d4b1d2d15ab4ec6d72ee881f4c7de34eef Mon Sep 17 00:00:00 2001
From: Kristóf Marussy
Date: Wed, 15 May 2019 13:46:38 -0400
Subject: Formalize CPS case study for optimization
---
.../domains/cps/queries/AvailableHdd.java | 743 +++++++++++++++++++++
1 file changed, 743 insertions(+)
create mode 100644 Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AvailableHdd.java
(limited to 'Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AvailableHdd.java')
diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AvailableHdd.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AvailableHdd.java
new file mode 100644
index 00000000..22821c4a
--- /dev/null
+++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AvailableHdd.java
@@ -0,0 +1,743 @@
+/**
+ * Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.cps/src/hu/bme/mit/inf/dslreasoner/domains/cps/queries/CpsQueries.vql
+ */
+package hu.bme.mit.inf.dslreasoner.domains.cps.queries;
+
+import hu.bme.mit.inf.dslreasoner.domains.cps.HostInstance;
+import hu.bme.mit.inf.dslreasoner.domains.cps.queries.TotalHdd;
+import hu.bme.mit.inf.dslreasoner.domains.cps.queries.internal.HddRequirement;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.log4j.Logger;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.viatra.query.runtime.api.IPatternMatch;
+import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
+import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
+import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
+import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
+import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.aggregators.sum;
+import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
+import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator;
+import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
+import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.AggregatorConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExpressionEvaluation;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.TypeFilterConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.PositivePatternCall;
+import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
+import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
+import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
+
+/**
+ * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
+ *
+ * Original source:
+ *
+ * {@literal @}QueryBasedFeature(feature = "availableHdd")
+ * pattern availableHdd(Host : HostInstance, Hdd : java Integer) {
+ * find totalHdd(Host, TotalHdd);
+ * RequiredHdd == sum find hddRequirement(Host, _, #_);
+ * Hdd == eval(TotalHdd - RequiredHdd);
+ * }
+ *
+ *
+ * @see Matcher
+ * @see Match
+ *
+ */
+@SuppressWarnings("all")
+public final class AvailableHdd extends BaseGeneratedEMFQuerySpecification {
+ /**
+ * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.cps.queries.availableHdd pattern,
+ * to be used in conjunction with {@link Matcher}.
+ *
+ * Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
+ * Each instance is a (possibly partial) substitution of pattern parameters,
+ * usable to represent a match of the pattern in the result of a query,
+ * or to specify the bound (fixed) input parameters when issuing a query.
+ *
+ * @see Matcher
+ *
+ */
+ public static abstract class Match extends BasePatternMatch {
+ private HostInstance fHost;
+
+ private Integer fHdd;
+
+ private static List parameterNames = makeImmutableList("Host", "Hdd");
+
+ private Match(final HostInstance pHost, final Integer pHdd) {
+ this.fHost = pHost;
+ this.fHdd = pHdd;
+ }
+
+ @Override
+ public Object get(final String parameterName) {
+ if ("Host".equals(parameterName)) return this.fHost;
+ if ("Hdd".equals(parameterName)) return this.fHdd;
+ return null;
+ }
+
+ public HostInstance getHost() {
+ return this.fHost;
+ }
+
+ public Integer getHdd() {
+ return this.fHdd;
+ }
+
+ @Override
+ public boolean set(final String parameterName, final Object newValue) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ if ("Host".equals(parameterName) ) {
+ this.fHost = (HostInstance) newValue;
+ return true;
+ }
+ if ("Hdd".equals(parameterName) ) {
+ this.fHdd = (Integer) newValue;
+ return true;
+ }
+ return false;
+ }
+
+ public void setHost(final HostInstance pHost) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fHost = pHost;
+ }
+
+ public void setHdd(final Integer pHdd) {
+ if (!isMutable()) throw new java.lang.UnsupportedOperationException();
+ this.fHdd = pHdd;
+ }
+
+ @Override
+ public String patternName() {
+ return "hu.bme.mit.inf.dslreasoner.domains.cps.queries.availableHdd";
+ }
+
+ @Override
+ public List parameterNames() {
+ return AvailableHdd.Match.parameterNames;
+ }
+
+ @Override
+ public Object[] toArray() {
+ return new Object[]{fHost, fHdd};
+ }
+
+ @Override
+ public AvailableHdd.Match toImmutable() {
+ return isMutable() ? newMatch(fHost, fHdd) : this;
+ }
+
+ @Override
+ public String prettyPrint() {
+ StringBuilder result = new StringBuilder();
+ result.append("\"Host\"=" + prettyPrintValue(fHost) + ", ");
+ result.append("\"Hdd\"=" + prettyPrintValue(fHdd));
+ return result.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(fHost, fHdd);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null) {
+ return false;
+ }
+ if ((obj instanceof AvailableHdd.Match)) {
+ AvailableHdd.Match other = (AvailableHdd.Match) obj;
+ return Objects.equals(fHost, other.fHost) && Objects.equals(fHdd, other.fHdd);
+ } else {
+ // this should be infrequent
+ if (!(obj instanceof IPatternMatch)) {
+ return false;
+ }
+ IPatternMatch otherSig = (IPatternMatch) obj;
+ return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
+ }
+ }
+
+ @Override
+ public AvailableHdd specification() {
+ return AvailableHdd.instance();
+ }
+
+ /**
+ * Returns an empty, mutable match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @return the empty match.
+ *
+ */
+ public static AvailableHdd.Match newEmptyMatch() {
+ return new Mutable(null, null);
+ }
+
+ /**
+ * Returns a mutable (partial) match.
+ * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
+ *
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @return the new, mutable (partial) match object.
+ *
+ */
+ public static AvailableHdd.Match newMutableMatch(final HostInstance pHost, final Integer pHdd) {
+ return new Mutable(pHost, pHdd);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public static AvailableHdd.Match newMatch(final HostInstance pHost, final Integer pHdd) {
+ return new Immutable(pHost, pHdd);
+ }
+
+ private static final class Mutable extends AvailableHdd.Match {
+ Mutable(final HostInstance pHost, final Integer pHdd) {
+ super(pHost, pHdd);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return true;
+ }
+ }
+
+ private static final class Immutable extends AvailableHdd.Match {
+ Immutable(final HostInstance pHost, final Integer pHdd) {
+ super(pHost, pHdd);
+ }
+
+ @Override
+ public boolean isMutable() {
+ return false;
+ }
+ }
+ }
+
+ /**
+ * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.cps.queries.availableHdd pattern,
+ * providing pattern-specific query methods.
+ *
+ *
Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
+ * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
+ *
+ *
Matches of the pattern will be represented as {@link Match}.
+ *
+ *
Original source:
+ *
+ * {@literal @}QueryBasedFeature(feature = "availableHdd")
+ * pattern availableHdd(Host : HostInstance, Hdd : java Integer) {
+ * find totalHdd(Host, TotalHdd);
+ * RequiredHdd == sum find hddRequirement(Host, _, #_);
+ * Hdd == eval(TotalHdd - RequiredHdd);
+ * }
+ *
+ *
+ * @see Match
+ * @see AvailableHdd
+ *
+ */
+ public static class Matcher extends BaseMatcher {
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ public static AvailableHdd.Matcher on(final ViatraQueryEngine engine) {
+ // check if matcher already exists
+ Matcher matcher = engine.getExistingMatcher(querySpecification());
+ if (matcher == null) {
+ matcher = (Matcher)engine.getMatcher(querySpecification());
+ }
+ return matcher;
+ }
+
+ /**
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ * @return an initialized matcher
+ * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
+ *
+ */
+ public static AvailableHdd.Matcher create() {
+ return new Matcher();
+ }
+
+ private static final int POSITION_HOST = 0;
+
+ private static final int POSITION_HDD = 1;
+
+ private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(AvailableHdd.Matcher.class);
+
+ /**
+ * Initializes the pattern matcher within an existing VIATRA Query engine.
+ * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
+ *
+ * @param engine the existing VIATRA Query engine in which this matcher will be created.
+ * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
+ *
+ */
+ private Matcher() {
+ super(querySpecification());
+ }
+
+ /**
+ * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @return matches represented as a Match object.
+ *
+ */
+ public Collection getAllMatches(final HostInstance pHost, final Integer pHdd) {
+ return rawStreamAllMatches(new Object[]{pHost, pHdd}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @return a stream of matches represented as a Match object.
+ *
+ */
+ public Stream streamAllMatches(final HostInstance pHost, final Integer pHdd) {
+ return rawStreamAllMatches(new Object[]{pHost, pHdd});
+ }
+
+ /**
+ * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @return a match represented as a Match object, or null if no match is found.
+ *
+ */
+ public Optional getOneArbitraryMatch(final HostInstance pHost, final Integer pHdd) {
+ return rawGetOneArbitraryMatch(new Object[]{pHost, pHdd});
+ }
+
+ /**
+ * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
+ * under any possible substitution of the unspecified parameters (if any).
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @return true if the input is a valid (partial) match of the pattern.
+ *
+ */
+ public boolean hasMatch(final HostInstance pHost, final Integer pHdd) {
+ return rawHasMatch(new Object[]{pHost, pHdd});
+ }
+
+ /**
+ * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @return the number of pattern matches found.
+ *
+ */
+ public int countMatches(final HostInstance pHost, final Integer pHdd) {
+ return rawCountMatches(new Object[]{pHost, pHdd});
+ }
+
+ /**
+ * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
+ * Neither determinism nor randomness of selection is guaranteed.
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @param processor the action that will process the selected match.
+ * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
+ *
+ */
+ public boolean forOneArbitraryMatch(final HostInstance pHost, final Integer pHdd, final Consumer super AvailableHdd.Match> processor) {
+ return rawForOneArbitraryMatch(new Object[]{pHost, pHdd}, processor);
+ }
+
+ /**
+ * Returns a new (partial) match.
+ * This can be used e.g. to call the matcher with a partial match.
+ * The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
+ * @param pHost the fixed value of pattern parameter Host, or null if not bound.
+ * @param pHdd the fixed value of pattern parameter Hdd, or null if not bound.
+ * @return the (partial) match object.
+ *
+ */
+ public AvailableHdd.Match newMatch(final HostInstance pHost, final Integer pHdd) {
+ return AvailableHdd.Match.newMatch(pHost, pHdd);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Host.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfHost(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_HOST, parameters).map(HostInstance.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Host.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfHost() {
+ return rawStreamAllValuesOfHost(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Host.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfHost() {
+ return rawStreamAllValuesOfHost(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Host.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfHost(final AvailableHdd.Match partialMatch) {
+ return rawStreamAllValuesOfHost(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Host.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfHost(final Integer pHdd) {
+ return rawStreamAllValuesOfHost(new Object[]{null, pHdd});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Host.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfHost(final AvailableHdd.Match partialMatch) {
+ return rawStreamAllValuesOfHost(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Host.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfHost(final Integer pHdd) {
+ return rawStreamAllValuesOfHost(new Object[]{null, pHdd}).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Hdd.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ protected Stream rawStreamAllValuesOfHdd(final Object[] parameters) {
+ return rawStreamAllValues(POSITION_HDD, parameters).map(Integer.class::cast);
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Hdd.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfHdd() {
+ return rawStreamAllValuesOfHdd(emptyArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Hdd.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfHdd() {
+ return rawStreamAllValuesOfHdd(emptyArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Hdd.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfHdd(final AvailableHdd.Match partialMatch) {
+ return rawStreamAllValuesOfHdd(partialMatch.toArray());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Hdd.
+ *
+ * NOTE: It is important not to modify the source model while the stream is being processed.
+ * If the match set of the pattern changes during processing, the contents of the stream is undefined.
+ * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
+ *
+ * @return the Stream of all values or empty set if there are no matches
+ *
+ */
+ public Stream streamAllValuesOfHdd(final HostInstance pHost) {
+ return rawStreamAllValuesOfHdd(new Object[]{pHost, null});
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Hdd.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfHdd(final AvailableHdd.Match partialMatch) {
+ return rawStreamAllValuesOfHdd(partialMatch.toArray()).collect(Collectors.toSet());
+ }
+
+ /**
+ * Retrieve the set of values that occur in matches for Hdd.
+ * @return the Set of all values or empty set if there are no matches
+ *
+ */
+ public Set getAllValuesOfHdd(final HostInstance pHost) {
+ return rawStreamAllValuesOfHdd(new Object[]{pHost, null}).collect(Collectors.toSet());
+ }
+
+ @Override
+ protected AvailableHdd.Match tupleToMatch(final Tuple t) {
+ try {
+ return AvailableHdd.Match.newMatch((HostInstance) t.get(POSITION_HOST), (Integer) t.get(POSITION_HDD));
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in tuple not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected AvailableHdd.Match arrayToMatch(final Object[] match) {
+ try {
+ return AvailableHdd.Match.newMatch((HostInstance) match[POSITION_HOST], (Integer) match[POSITION_HDD]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ @Override
+ protected AvailableHdd.Match arrayToMatchMutable(final Object[] match) {
+ try {
+ return AvailableHdd.Match.newMutableMatch((HostInstance) match[POSITION_HOST], (Integer) match[POSITION_HDD]);
+ } catch(ClassCastException e) {
+ LOGGER.error("Element(s) in array not properly typed!",e);
+ return null;
+ }
+ }
+
+ /**
+ * @return the singleton instance of the query specification of this pattern
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static IQuerySpecification querySpecification() {
+ return AvailableHdd.instance();
+ }
+ }
+
+ private AvailableHdd() {
+ super(GeneratedPQuery.INSTANCE);
+ }
+
+ /**
+ * @return the singleton instance of the query specification
+ * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
+ *
+ */
+ public static AvailableHdd instance() {
+ try{
+ return LazyHolder.INSTANCE;
+ } catch (ExceptionInInitializerError err) {
+ throw processInitializerError(err);
+ }
+ }
+
+ @Override
+ protected AvailableHdd.Matcher instantiate(final ViatraQueryEngine engine) {
+ return AvailableHdd.Matcher.on(engine);
+ }
+
+ @Override
+ public AvailableHdd.Matcher instantiate() {
+ return AvailableHdd.Matcher.create();
+ }
+
+ @Override
+ public AvailableHdd.Match newEmptyMatch() {
+ return AvailableHdd.Match.newEmptyMatch();
+ }
+
+ @Override
+ public AvailableHdd.Match newMatch(final Object... parameters) {
+ return AvailableHdd.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.cps.HostInstance) parameters[0], (java.lang.Integer) parameters[1]);
+ }
+
+ /**
+ * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.cps.queries.AvailableHdd (visibility: PUBLIC, simpleName: AvailableHdd, identifier: hu.bme.mit.inf.dslreasoner.domains.cps.queries.AvailableHdd, deprecated: ) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.cps.queries) (interface: false, strictFloatingPoint: false, anonymous: false)} to be created
+ * not at the class load time of the outer class,
+ * but rather at the first call to {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.cps.queries.AvailableHdd (visibility: PUBLIC, simpleName: AvailableHdd, identifier: hu.bme.mit.inf.dslreasoner.domains.cps.queries.AvailableHdd, deprecated: ) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.cps.queries) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}.
+ *
+ * This workaround is required e.g. to support recursion.
+ *
+ */
+ private static class LazyHolder {
+ private static final AvailableHdd INSTANCE = new AvailableHdd();
+
+ /**
+ * Statically initializes the query specification after the field {@link #INSTANCE} is assigned.
+ * This initialization order is required to support indirect recursion.
+ *
+ *
The static initializer is defined using a helper field to work around limitations of the code generator.
+ *
+ */
+ private static final Object STATIC_INITIALIZER = ensureInitialized();
+
+ public static Object ensureInitialized() {
+ INSTANCE.ensureInitializedInternal();
+ return null;
+ }
+ }
+
+ private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
+ private static final AvailableHdd.GeneratedPQuery INSTANCE = new GeneratedPQuery();
+
+ private final PParameter parameter_Host = new PParameter("Host", "hu.bme.mit.inf.dslreasoner.domains.cps.HostInstance", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/cps", "HostInstance")), PParameterDirection.INOUT);
+
+ private final PParameter parameter_Hdd = new PParameter("Hdd", "java.lang.Integer", new JavaTransitiveInstancesKey(java.lang.Integer.class), PParameterDirection.INOUT);
+
+ private final List parameters = Arrays.asList(parameter_Host, parameter_Hdd);
+
+ private GeneratedPQuery() {
+ super(PVisibility.PUBLIC);
+ }
+
+ @Override
+ public String getFullyQualifiedName() {
+ return "hu.bme.mit.inf.dslreasoner.domains.cps.queries.availableHdd";
+ }
+
+ @Override
+ public List getParameterNames() {
+ return Arrays.asList("Host","Hdd");
+ }
+
+ @Override
+ public List getParameters() {
+ return parameters;
+ }
+
+ @Override
+ public Set doGetContainedBodies() {
+ setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
+ Set bodies = new LinkedHashSet<>();
+ {
+ PBody body = new PBody(this);
+ PVariable var_Host = body.getOrCreateVariableByName("Host");
+ PVariable var_Hdd = body.getOrCreateVariableByName("Hdd");
+ PVariable var_TotalHdd = body.getOrCreateVariableByName("TotalHdd");
+ PVariable var_RequiredHdd = body.getOrCreateVariableByName("RequiredHdd");
+ PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
+ PVariable var___1_ = body.getOrCreateVariableByName("_<1>");
+ new TypeConstraint(body, Tuples.flatTupleOf(var_Host), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/cps", "HostInstance")));
+ new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Hdd), new JavaTransitiveInstancesKey(java.lang.Integer.class));
+ body.setSymbolicParameters(Arrays.asList(
+ new ExportedParameter(body, var_Host, parameter_Host),
+ new ExportedParameter(body, var_Hdd, parameter_Hdd)
+ ));
+ // find totalHdd(Host, TotalHdd)
+ new PositivePatternCall(body, Tuples.flatTupleOf(var_Host, var_TotalHdd), TotalHdd.instance().getInternalQueryRepresentation());
+ // RequiredHdd == sum find hddRequirement(Host, _, #_)
+ PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
+ new AggregatorConstraint(new sum().getAggregatorLogic(Integer.class), body, Tuples.flatTupleOf(var_Host, var___0_, var___1_), HddRequirement.instance().getInternalQueryRepresentation(), var__virtual_0_, 2);
+ new Equality(body, var_RequiredHdd, var__virtual_0_);
+ // Hdd == eval(TotalHdd - RequiredHdd)
+ PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
+ new ExpressionEvaluation(body, new IExpressionEvaluator() {
+
+ @Override
+ public String getShortDescription() {
+ return "Expression evaluation from pattern availableHdd";
+ }
+
+ @Override
+ public Iterable getInputParameterNames() {
+ return Arrays.asList("RequiredHdd", "TotalHdd");}
+
+ @Override
+ public Object evaluateExpression(IValueProvider provider) throws Exception {
+ Integer RequiredHdd = (Integer) provider.getValue("RequiredHdd");
+ Integer TotalHdd = (Integer) provider.getValue("TotalHdd");
+ return evaluateExpression_1_1(RequiredHdd, TotalHdd);
+ }
+ }, var__virtual_1_ );
+ new Equality(body, var_Hdd, var__virtual_1_);
+ bodies.add(body);
+ }
+ {
+ PAnnotation annotation = new PAnnotation("QueryBasedFeature");
+ annotation.addAttribute("feature", "availableHdd");
+ addAnnotation(annotation);
+ }
+ return bodies;
+ }
+ }
+
+ private static int evaluateExpression_1_1(final Integer RequiredHdd, final Integer TotalHdd) {
+ return ((TotalHdd).intValue() - (RequiredHdd).intValue());
+ }
+}
--
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