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/**
* 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.internal.AvailableMemory;
import hu.bme.mit.inf.dslreasoner.domains.cps.queries.internal.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.
*
* <p>Original source:
* <code><pre>
* private pattern freeMemoryPercentage(Host : HostInstance, Free : java Double) {
* find totalMemory(Host, Total);
* find availableMemory(Host, Available);
* Free == eval((Available as double) / Total);
* }
* </pre></code>
*
* @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 FreeMemoryPercentage} to be created
* <b>not</b> at the class load time of the outer class,
* but rather at the first call to {@link FreeMemoryPercentage#instance()}.
*
* <p> 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 <b>after</b> the field {@link #INSTANCE} is assigned.
* This initialization order is required to support indirect recursion.
*
* <p> 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<PParameter> 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<String> getParameterNames() {
return Arrays.asList("Host","Free");
}
@Override
public List<PParameter> getParameters() {
return parameters;
}
@Override
public Set<PBody> doGetContainedBodies() {
setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
Set<PBody> 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.<ExportedParameter>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<String> 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());
}
}
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