/** * 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 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()); } }