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/internal/FreeMemoryPercentage.java | 172 +++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/internal/FreeMemoryPercentage.java (limited to 'Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/internal/FreeMemoryPercentage.java') diff --git a/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/internal/FreeMemoryPercentage.java b/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/internal/FreeMemoryPercentage.java new file mode 100644 index 00000000..bd151ea6 --- /dev/null +++ b/Domains/hu.bme.mit.inf.dslreasoner.domains.cps/src-gen/hu/bme/mit/inf/dslreasoner/domains/cps/queries/internal/FreeMemoryPercentage.java @@ -0,0 +1,172 @@ +/** + * 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.internal; + +import hu.bme.mit.inf.dslreasoner.domains.cps.queries.AvailableMemory; +import hu.bme.mit.inf.dslreasoner.domains.cps.queries.TotalMemory; +import java.util.Arrays; +import java.util.LinkedHashSet; +import java.util.List; +import java.util.Set; +import org.eclipse.emf.ecore.EClass; +import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery; +import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecificationWithGenericMatcher; +import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey; +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.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.Tuples; + +/** + * A pattern-specific query specification that can instantiate GenericPatternMatcher in a type-safe way. + * + *

Original source: + * 

+ *         private pattern freeMemoryPercentage(Host : HostInstance, Free : java Double) {
+ *         	find totalMemory(Host, Total);
+ *         	find availableMemory(Host, Available);
+ *         	Free == eval((Available as double) / Total);
+ *         }
+ *
+ * + * @see GenericPatternMatcher + * @see GenericPatternMatch + * + */ +@SuppressWarnings("all") +public final class FreeMemoryPercentage extends BaseGeneratedEMFQuerySpecificationWithGenericMatcher { + private FreeMemoryPercentage() { + super(GeneratedPQuery.INSTANCE); + } + + /** + * @return the singleton instance of the query specification + * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded + * + */ + public static FreeMemoryPercentage instance() { + try{ + return LazyHolder.INSTANCE; + } catch (ExceptionInInitializerError err) { + throw processInitializerError(err); + } + } + + /** + * Inner class allowing the singleton instance of {@link JvmGenericType: hu.bme.mit.inf.dslreasoner.domains.cps.queries.internal.FreeMemoryPercentage (visibility: PUBLIC, simpleName: FreeMemoryPercentage, identifier: hu.bme.mit.inf.dslreasoner.domains.cps.queries.internal.FreeMemoryPercentage, deprecated: ) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.cps.queries.internal) (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.internal.FreeMemoryPercentage (visibility: PUBLIC, simpleName: FreeMemoryPercentage, identifier: hu.bme.mit.inf.dslreasoner.domains.cps.queries.internal.FreeMemoryPercentage, deprecated: ) (abstract: false, static: false, final: true, packageName: hu.bme.mit.inf.dslreasoner.domains.cps.queries.internal) (interface: false, strictFloatingPoint: false, anonymous: false)#instance()}. + * + *

This workaround is required e.g. to support recursion. + * + */ + private static class LazyHolder { + private static final FreeMemoryPercentage INSTANCE = new FreeMemoryPercentage(); + + /** + * 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 FreeMemoryPercentage.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_Free = new PParameter("Free", "java.lang.Double", new JavaTransitiveInstancesKey(java.lang.Double.class), PParameterDirection.INOUT); + + private final List parameters = Arrays.asList(parameter_Host, parameter_Free); + + private GeneratedPQuery() { + super(PVisibility.PRIVATE); + } + + @Override + public String getFullyQualifiedName() { + return "hu.bme.mit.inf.dslreasoner.domains.cps.queries.freeMemoryPercentage"; + } + + @Override + public List getParameterNames() { + return Arrays.asList("Host","Free"); + } + + @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_Free = body.getOrCreateVariableByName("Free"); + PVariable var_Total = body.getOrCreateVariableByName("Total"); + PVariable var_Available = body.getOrCreateVariableByName("Available"); + new TypeConstraint(body, Tuples.flatTupleOf(var_Host), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/cps", "HostInstance"))); + new TypeFilterConstraint(body, Tuples.flatTupleOf(var_Free), new JavaTransitiveInstancesKey(java.lang.Double.class)); + body.setSymbolicParameters(Arrays.asList( + new ExportedParameter(body, var_Host, parameter_Host), + new ExportedParameter(body, var_Free, parameter_Free) + )); + // find totalMemory(Host, Total) + new PositivePatternCall(body, Tuples.flatTupleOf(var_Host, var_Total), TotalMemory.instance().getInternalQueryRepresentation()); + // find availableMemory(Host, Available) + new PositivePatternCall(body, Tuples.flatTupleOf(var_Host, var_Available), AvailableMemory.instance().getInternalQueryRepresentation()); + // Free == eval((Available as double) / Total) + PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}"); + new ExpressionEvaluation(body, new IExpressionEvaluator() { + + @Override + public String getShortDescription() { + return "Expression evaluation from pattern freeMemoryPercentage"; + } + + @Override + public Iterable getInputParameterNames() { + return Arrays.asList("Available", "Total");} + + @Override + public Object evaluateExpression(IValueProvider provider) throws Exception { + Integer Available = (Integer) provider.getValue("Available"); + Integer Total = (Integer) provider.getValue("Total"); + return evaluateExpression_1_1(Available, Total); + } + }, var__virtual_0_ ); + new Equality(body, var_Free, var__virtual_0_); + bodies.add(body); + } + return bodies; + } + } + + private static double evaluateExpression_1_1(final Integer Available, final Integer Total) { + return (((double) (Available).intValue()) / (Total).intValue()); + } +} -- cgit v1.2.3-54-g00ecf