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 --- .../cps/queries/AverageFreeMemoryMetric.java | 540 +++++++++++++++++++++ 1 file changed, 540 insertions(+) create mode 100644 Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AverageFreeMemoryMetric.java (limited to 'Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AverageFreeMemoryMetric.java') diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AverageFreeMemoryMetric.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AverageFreeMemoryMetric.java new file mode 100644 index 00000000..a0d087f4 --- /dev/null +++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/AverageFreeMemoryMetric.java @@ -0,0 +1,540 @@ +/** + * 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.queries.internal.FreeMemoryPercentage; +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.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.matchers.aggregators.avg; +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.PBody; +import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable; +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.TypeFilterConstraint; +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: + * 

+ *         pattern averageFreeMemoryMetric(Average : java Double) {
+ *         	Average == avg find freeMemoryPercentage(_, #_);
+ *         }
+ *
+ * + * @see Matcher + * @see Match + * + */ +@SuppressWarnings("all") +public final class AverageFreeMemoryMetric extends BaseGeneratedEMFQuerySpecification { + /** + * Pattern-specific match representation of the hu.bme.mit.inf.dslreasoner.domains.cps.queries.averageFreeMemoryMetric 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 Double fAverage; + + private static List parameterNames = makeImmutableList("Average"); + + private Match(final Double pAverage) { + this.fAverage = pAverage; + } + + @Override + public Object get(final String parameterName) { + if ("Average".equals(parameterName)) return this.fAverage; + return null; + } + + public Double getAverage() { + return this.fAverage; + } + + @Override + public boolean set(final String parameterName, final Object newValue) { + if (!isMutable()) throw new java.lang.UnsupportedOperationException(); + if ("Average".equals(parameterName) ) { + this.fAverage = (Double) newValue; + return true; + } + return false; + } + + public void setAverage(final Double pAverage) { + if (!isMutable()) throw new java.lang.UnsupportedOperationException(); + this.fAverage = pAverage; + } + + @Override + public String patternName() { + return "hu.bme.mit.inf.dslreasoner.domains.cps.queries.averageFreeMemoryMetric"; + } + + @Override + public List parameterNames() { + return AverageFreeMemoryMetric.Match.parameterNames; + } + + @Override + public Object[] toArray() { + return new Object[]{fAverage}; + } + + @Override + public AverageFreeMemoryMetric.Match toImmutable() { + return isMutable() ? newMatch(fAverage) : this; + } + + @Override + public String prettyPrint() { + StringBuilder result = new StringBuilder(); + result.append("\"Average\"=" + prettyPrintValue(fAverage)); + return result.toString(); + } + + @Override + public int hashCode() { + return Objects.hash(fAverage); + } + + @Override + public boolean equals(final Object obj) { + if (this == obj) + return true; + if (obj == null) { + return false; + } + if ((obj instanceof AverageFreeMemoryMetric.Match)) { + AverageFreeMemoryMetric.Match other = (AverageFreeMemoryMetric.Match) obj; + return Objects.equals(fAverage, other.fAverage); + } 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 AverageFreeMemoryMetric specification() { + return AverageFreeMemoryMetric.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 AverageFreeMemoryMetric.Match newEmptyMatch() { + return new Mutable(null); + } + + /** + * Returns a mutable (partial) match. + * Fields of the mutable match can be filled to create a partial match, usable as matcher input. + * + * @param pAverage the fixed value of pattern parameter Average, or null if not bound. + * @return the new, mutable (partial) match object. + * + */ + public static AverageFreeMemoryMetric.Match newMutableMatch(final Double pAverage) { + return new Mutable(pAverage); + } + + /** + * 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 pAverage the fixed value of pattern parameter Average, or null if not bound. + * @return the (partial) match object. + * + */ + public static AverageFreeMemoryMetric.Match newMatch(final Double pAverage) { + return new Immutable(pAverage); + } + + private static final class Mutable extends AverageFreeMemoryMetric.Match { + Mutable(final Double pAverage) { + super(pAverage); + } + + @Override + public boolean isMutable() { + return true; + } + } + + private static final class Immutable extends AverageFreeMemoryMetric.Match { + Immutable(final Double pAverage) { + super(pAverage); + } + + @Override + public boolean isMutable() { + return false; + } + } + } + + /** + * Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.cps.queries.averageFreeMemoryMetric 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: + * 

+   * pattern averageFreeMemoryMetric(Average : java Double) {
+   * 	Average == avg find freeMemoryPercentage(_, #_);
+   * }
+   *
+ * + * @see Match + * @see AverageFreeMemoryMetric + * + */ + 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 AverageFreeMemoryMetric.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 AverageFreeMemoryMetric.Matcher create() { + return new Matcher(); + } + + private static final int POSITION_AVERAGE = 0; + + private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(AverageFreeMemoryMetric.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 pAverage the fixed value of pattern parameter Average, or null if not bound. + * @return matches represented as a Match object. + * + */ + public Collection getAllMatches(final Double pAverage) { + return rawStreamAllMatches(new Object[]{pAverage}).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 pAverage the fixed value of pattern parameter Average, or null if not bound. + * @return a stream of matches represented as a Match object. + * + */ + public Stream streamAllMatches(final Double pAverage) { + return rawStreamAllMatches(new Object[]{pAverage}); + } + + /** + * 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 pAverage the fixed value of pattern parameter Average, or null if not bound. + * @return a match represented as a Match object, or null if no match is found. + * + */ + public Optional getOneArbitraryMatch(final Double pAverage) { + return rawGetOneArbitraryMatch(new Object[]{pAverage}); + } + + /** + * 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 pAverage the fixed value of pattern parameter Average, or null if not bound. + * @return true if the input is a valid (partial) match of the pattern. + * + */ + public boolean hasMatch(final Double pAverage) { + return rawHasMatch(new Object[]{pAverage}); + } + + /** + * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters. + * @param pAverage the fixed value of pattern parameter Average, or null if not bound. + * @return the number of pattern matches found. + * + */ + public int countMatches(final Double pAverage) { + return rawCountMatches(new Object[]{pAverage}); + } + + /** + * 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 pAverage the fixed value of pattern parameter Average, 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 Double pAverage, final Consumer processor) { + return rawForOneArbitraryMatch(new Object[]{pAverage}, 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 pAverage the fixed value of pattern parameter Average, or null if not bound. + * @return the (partial) match object. + * + */ + public AverageFreeMemoryMetric.Match newMatch(final Double pAverage) { + return AverageFreeMemoryMetric.Match.newMatch(pAverage); + } + + /** + * Retrieve the set of values that occur in matches for Average. + * @return the Set of all values or empty set if there are no matches + * + */ + protected Stream rawStreamAllValuesOfAverage(final Object[] parameters) { + return rawStreamAllValues(POSITION_AVERAGE, parameters).map(Double.class::cast); + } + + /** + * Retrieve the set of values that occur in matches for Average. + * @return the Set of all values or empty set if there are no matches + * + */ + public Set getAllValuesOfAverage() { + return rawStreamAllValuesOfAverage(emptyArray()).collect(Collectors.toSet()); + } + + /** + * Retrieve the set of values that occur in matches for Average. + * @return the Set of all values or empty set if there are no matches + * + */ + public Stream streamAllValuesOfAverage() { + return rawStreamAllValuesOfAverage(emptyArray()); + } + + @Override + protected AverageFreeMemoryMetric.Match tupleToMatch(final Tuple t) { + try { + return AverageFreeMemoryMetric.Match.newMatch((Double) t.get(POSITION_AVERAGE)); + } catch(ClassCastException e) { + LOGGER.error("Element(s) in tuple not properly typed!",e); + return null; + } + } + + @Override + protected AverageFreeMemoryMetric.Match arrayToMatch(final Object[] match) { + try { + return AverageFreeMemoryMetric.Match.newMatch((Double) match[POSITION_AVERAGE]); + } catch(ClassCastException e) { + LOGGER.error("Element(s) in array not properly typed!",e); + return null; + } + } + + @Override + protected AverageFreeMemoryMetric.Match arrayToMatchMutable(final Object[] match) { + try { + return AverageFreeMemoryMetric.Match.newMutableMatch((Double) match[POSITION_AVERAGE]); + } 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 AverageFreeMemoryMetric.instance(); + } + } + + private AverageFreeMemoryMetric() { + super(GeneratedPQuery.INSTANCE); + } + + /** + * @return the singleton instance of the query specification + * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded + * + */ + public static AverageFreeMemoryMetric instance() { + try{ + return LazyHolder.INSTANCE; + } catch (ExceptionInInitializerError err) { + throw processInitializerError(err); + } + } + + @Override + protected AverageFreeMemoryMetric.Matcher instantiate(final ViatraQueryEngine engine) { + return AverageFreeMemoryMetric.Matcher.on(engine); + } + + @Override + public AverageFreeMemoryMetric.Matcher instantiate() { + return AverageFreeMemoryMetric.Matcher.create(); + } + + @Override + public AverageFreeMemoryMetric.Match newEmptyMatch() { + return AverageFreeMemoryMetric.Match.newEmptyMatch(); + } + + @Override + public AverageFreeMemoryMetric.Match newMatch(final Object... parameters) { + return AverageFreeMemoryMetric.Match.newMatch((java.lang.Double) parameters[0]); + } + + /** + * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.cps.queries.AverageFreeMemoryMetric (visibility: PUBLIC, simpleName: AverageFreeMemoryMetric, identifier: hu.bme.mit.inf.dslreasoner.domains.cps.queries.AverageFreeMemoryMetric, 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.AverageFreeMemoryMetric (visibility: PUBLIC, simpleName: AverageFreeMemoryMetric, identifier: hu.bme.mit.inf.dslreasoner.domains.cps.queries.AverageFreeMemoryMetric, 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 AverageFreeMemoryMetric INSTANCE = new AverageFreeMemoryMetric(); + + /** + * 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 AverageFreeMemoryMetric.GeneratedPQuery INSTANCE = new GeneratedPQuery(); + + private final PParameter parameter_Average = new PParameter("Average", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT); + + private final List parameters = Arrays.asList(parameter_Average); + + private GeneratedPQuery() { + super(PVisibility.PUBLIC); + } + + @Override + public String getFullyQualifiedName() { + return "hu.bme.mit.inf.dslreasoner.domains.cps.queries.averageFreeMemoryMetric"; + } + + @Override + public List getParameterNames() { + return Arrays.asList("Average"); + } + + @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_Average = body.getOrCreateVariableByName("Average"); + PVariable var___0_ = body.getOrCreateVariableByName("_<0>"); + PVariable var___1_ = body.getOrCreateVariableByName("_<1>"); + new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Average), new JavaTransitiveInstancesKey(java.lang.Double.class)); + body.setSymbolicParameters(Arrays.asList( + new ExportedParameter(body, var_Average, parameter_Average) + )); + // Average == avg find freeMemoryPercentage(_, #_) + PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}"); + new AggregatorConstraint(new avg().getAggregatorLogic(Double.class), body, Tuples.flatTupleOf(var___0_, var___1_), FreeMemoryPercentage.instance().getInternalQueryRepresentation(), var__virtual_0_, 1); + new Equality(body, var_Average, var__virtual_0_); + bodies.add(body); + } + return bodies; + } + } +} -- cgit v1.2.3-54-g00ecf