/**
* Generated from platform:/resource/hu.bme.mit.inf.dslreasoner.domains.alloyexamples/patterns/hu/bme/mit/inf/dslreasoner/domains/alloyexamples/FileSystem.vql
*/
package hu.bme.mit.inf.dslreasoner.domains.alloyexamples;
import hu.bme.mit.inf.dslreasoner.domains.alloyexamples.Filesystem.FSObject;
import hu.bme.mit.inf.dslreasoner.domains.alloyexamples.Filesystem.FileSystem;
import hu.bme.mit.inf.dslreasoner.domains.alloyexamples.PatternContent;
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.emf.types.EStructuralFeatureInstancesKey;
import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
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.Equality;
import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.BinaryTransitiveClosure;
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
* pattern live(this: FileSystem, l: FSObject) {
* FileSystem.root(this,l);
* } or {
* FileSystem.root(this,root);
* find patternContent+(root,l);
* }
* 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 FileSystem fThis;
private FSObject fL;
private static List parameterNames = makeImmutableList("this", "l");
private Match(final FileSystem pThis, final FSObject pL) {
this.fThis = pThis;
this.fL = pL;
}
@Override
public Object get(final String parameterName) {
switch(parameterName) {
case "this": return this.fThis;
case "l": return this.fL;
default: return null;
}
}
@Override
public Object get(final int index) {
switch(index) {
case 0: return this.fThis;
case 1: return this.fL;
default: return null;
}
}
public FileSystem getThis() {
return this.fThis;
}
public FSObject getL() {
return this.fL;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("this".equals(parameterName) ) {
this.fThis = (FileSystem) newValue;
return true;
}
if ("l".equals(parameterName) ) {
this.fL = (FSObject) newValue;
return true;
}
return false;
}
public void setThis(final FileSystem pThis) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fThis = pThis;
}
public void setL(final FSObject pL) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fL = pL;
}
@Override
public String patternName() {
return "hu.bme.mit.inf.dslreasoner.domains.alloyexamples.live";
}
@Override
public List parameterNames() {
return Live.Match.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fThis, fL};
}
@Override
public Live.Match toImmutable() {
return isMutable() ? newMatch(fThis, fL) : this;
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"this\"=" + prettyPrintValue(fThis) + ", ");
result.append("\"l\"=" + prettyPrintValue(fL));
return result.toString();
}
@Override
public int hashCode() {
return Objects.hash(fThis, fL);
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if ((obj instanceof Live.Match)) {
Live.Match other = (Live.Match) obj;
return Objects.equals(fThis, other.fThis) && Objects.equals(fL, other.fL);
} 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 Live specification() {
return Live.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 Live.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 pThis the fixed value of pattern parameter this, or null if not bound.
* @param pL the fixed value of pattern parameter l, or null if not bound.
* @return the new, mutable (partial) match object.
*
*/
public static Live.Match newMutableMatch(final FileSystem pThis, final FSObject pL) {
return new Mutable(pThis, pL);
}
/**
* 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 pThis the fixed value of pattern parameter this, or null if not bound.
* @param pL the fixed value of pattern parameter l, or null if not bound.
* @return the (partial) match object.
*
*/
public static Live.Match newMatch(final FileSystem pThis, final FSObject pL) {
return new Immutable(pThis, pL);
}
private static final class Mutable extends Live.Match {
Mutable(final FileSystem pThis, final FSObject pL) {
super(pThis, pL);
}
@Override
public boolean isMutable() {
return true;
}
}
private static final class Immutable extends Live.Match {
Immutable(final FileSystem pThis, final FSObject pL) {
super(pThis, pL);
}
@Override
public boolean isMutable() {
return false;
}
}
}
/**
* Generated pattern matcher API of the hu.bme.mit.inf.dslreasoner.domains.alloyexamples.live 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
* pattern live(this: FileSystem, l: FSObject) {
* FileSystem.root(this,l);
* } or {
* FileSystem.root(this,root);
* find patternContent+(root,l);
* }
*
* 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 pThis the fixed value of pattern parameter this, or null if not bound.
* @param pL the fixed value of pattern parameter l, or null if not bound.
* @return a stream of matches represented as a Match object.
*
*/
public Stream streamAllMatches(final FileSystem pThis, final FSObject pL) {
return rawStreamAllMatches(new Object[]{pThis, pL});
}
/**
* 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 pThis the fixed value of pattern parameter this, or null if not bound.
* @param pL the fixed value of pattern parameter l, or null if not bound.
* @return a match represented as a Match object, or null if no match is found.
*
*/
public Optional getOneArbitraryMatch(final FileSystem pThis, final FSObject pL) {
return rawGetOneArbitraryMatch(new Object[]{pThis, pL});
}
/**
* 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 pThis the fixed value of pattern parameter this, or null if not bound.
* @param pL the fixed value of pattern parameter l, or null if not bound.
* @return true if the input is a valid (partial) match of the pattern.
*
*/
public boolean hasMatch(final FileSystem pThis, final FSObject pL) {
return rawHasMatch(new Object[]{pThis, pL});
}
/**
* Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
* @param pThis the fixed value of pattern parameter this, or null if not bound.
* @param pL the fixed value of pattern parameter l, or null if not bound.
* @return the number of pattern matches found.
*
*/
public int countMatches(final FileSystem pThis, final FSObject pL) {
return rawCountMatches(new Object[]{pThis, pL});
}
/**
* 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 pThis the fixed value of pattern parameter this, or null if not bound.
* @param pL the fixed value of pattern parameter l, 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 FileSystem pThis, final FSObject pL, final Consumer processor) {
return rawForOneArbitraryMatch(new Object[]{pThis, pL}, 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 pThis the fixed value of pattern parameter this, or null if not bound.
* @param pL the fixed value of pattern parameter l, or null if not bound.
* @return the (partial) match object.
*
*/
public Live.Match newMatch(final FileSystem pThis, final FSObject pL) {
return Live.Match.newMatch(pThis, pL);
}
/**
* Retrieve the set of values that occur in matches for this.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfthis(final Object[] parameters) {
return rawStreamAllValues(POSITION_THIS, parameters).map(FileSystem.class::cast);
}
/**
* Retrieve the set of values that occur in matches for this.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfthis() {
return rawStreamAllValuesOfthis(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for this.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfthis() {
return rawStreamAllValuesOfthis(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for this.
*
* 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 streamAllValuesOfthis(final Live.Match partialMatch) {
return rawStreamAllValuesOfthis(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for this.
*
* 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 streamAllValuesOfthis(final FSObject pL) {
return rawStreamAllValuesOfthis(new Object[]{null, pL});
}
/**
* Retrieve the set of values that occur in matches for this.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfthis(final Live.Match partialMatch) {
return rawStreamAllValuesOfthis(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for this.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfthis(final FSObject pL) {
return rawStreamAllValuesOfthis(new Object[]{null, pL}).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for l.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream rawStreamAllValuesOfl(final Object[] parameters) {
return rawStreamAllValues(POSITION_L, parameters).map(FSObject.class::cast);
}
/**
* Retrieve the set of values that occur in matches for l.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfl() {
return rawStreamAllValuesOfl(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for l.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream streamAllValuesOfl() {
return rawStreamAllValuesOfl(emptyArray());
}
/**
* Retrieve the set of values that occur in matches for l.
*
* 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 streamAllValuesOfl(final Live.Match partialMatch) {
return rawStreamAllValuesOfl(partialMatch.toArray());
}
/**
* Retrieve the set of values that occur in matches for l.
*
* 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 streamAllValuesOfl(final FileSystem pThis) {
return rawStreamAllValuesOfl(new Object[]{pThis, null});
}
/**
* Retrieve the set of values that occur in matches for l.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfl(final Live.Match partialMatch) {
return rawStreamAllValuesOfl(partialMatch.toArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for l.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set getAllValuesOfl(final FileSystem pThis) {
return rawStreamAllValuesOfl(new Object[]{pThis, null}).collect(Collectors.toSet());
}
@Override
protected Live.Match tupleToMatch(final Tuple t) {
try {
return Live.Match.newMatch((FileSystem) t.get(POSITION_THIS), (FSObject) t.get(POSITION_L));
} catch(ClassCastException e) {
LOGGER.error("Element(s) in tuple not properly typed!",e);
return null;
}
}
@Override
protected Live.Match arrayToMatch(final Object[] match) {
try {
return Live.Match.newMatch((FileSystem) match[POSITION_THIS], (FSObject) match[POSITION_L]);
} catch(ClassCastException e) {
LOGGER.error("Element(s) in array not properly typed!",e);
return null;
}
}
@Override
protected Live.Match arrayToMatchMutable(final Object[] match) {
try {
return Live.Match.newMutableMatch((FileSystem) match[POSITION_THIS], (FSObject) match[POSITION_L]);
} 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 Live.instance();
}
}
private Live() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static Live instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected Live.Matcher instantiate(final ViatraQueryEngine engine) {
return Live.Matcher.on(engine);
}
@Override
public Live.Matcher instantiate() {
return Live.Matcher.create();
}
@Override
public Live.Match newEmptyMatch() {
return Live.Match.newEmptyMatch();
}
@Override
public Live.Match newMatch(final Object... parameters) {
return Live.Match.newMatch((hu.bme.mit.inf.dslreasoner.domains.alloyexamples.Filesystem.FileSystem) parameters[0], (hu.bme.mit.inf.dslreasoner.domains.alloyexamples.Filesystem.FSObject) parameters[1]);
}
/**
* Inner class allowing the singleton instance of {@link Live} to be created
* not at the class load time of the outer class,
* but rather at the first call to {@link Live#instance()}.
*
* This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private static final Live INSTANCE = new Live();
/**
* 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 Live.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_this = new PParameter("this", "hu.bme.mit.inf.dslreasoner.domains.alloyexamples.Filesystem.FileSystem", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("FS", "FileSystem")), PParameterDirection.INOUT);
private final PParameter parameter_l = new PParameter("l", "hu.bme.mit.inf.dslreasoner.domains.alloyexamples.Filesystem.FSObject", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("FS", "FSObject")), PParameterDirection.INOUT);
private final List parameters = Arrays.asList(parameter_this, parameter_l);
private GeneratedPQuery() {
super(PVisibility.PUBLIC);
}
@Override
public String getFullyQualifiedName() {
return "hu.bme.mit.inf.dslreasoner.domains.alloyexamples.live";
}
@Override
public List getParameterNames() {
return Arrays.asList("this","l");
}
@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_this = body.getOrCreateVariableByName("this");
PVariable var_l = body.getOrCreateVariableByName("l");
new TypeConstraint(body, Tuples.flatTupleOf(var_this), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("FS", "FileSystem")));
new TypeConstraint(body, Tuples.flatTupleOf(var_l), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("FS", "FSObject")));
body.setSymbolicParameters(Arrays.asList(
new ExportedParameter(body, var_this, parameter_this),
new ExportedParameter(body, var_l, parameter_l)
));
// FileSystem.root(this,l)
new TypeConstraint(body, Tuples.flatTupleOf(var_this), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("FS", "FileSystem")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_this, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("FS", "FileSystem", "root")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("FS", "Dir")));
new Equality(body, var__virtual_0_, var_l);
bodies.add(body);
}
{
PBody body = new PBody(this);
PVariable var_this = body.getOrCreateVariableByName("this");
PVariable var_l = body.getOrCreateVariableByName("l");
PVariable var_root = body.getOrCreateVariableByName("root");
new TypeConstraint(body, Tuples.flatTupleOf(var_this), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("FS", "FileSystem")));
new TypeConstraint(body, Tuples.flatTupleOf(var_l), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("FS", "FSObject")));
body.setSymbolicParameters(Arrays.asList(
new ExportedParameter(body, var_this, parameter_this),
new ExportedParameter(body, var_l, parameter_l)
));
// FileSystem.root(this,root)
new TypeConstraint(body, Tuples.flatTupleOf(var_this), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("FS", "FileSystem")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_this, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("FS", "FileSystem", "root")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("FS", "Dir")));
new Equality(body, var__virtual_0_, var_root);
// find patternContent+(root,l)
new BinaryTransitiveClosure(body, Tuples.flatTupleOf(var_root, var_l), PatternContent.instance().getInternalQueryRepresentation());
bodies.add(body);
}
{
PAnnotation annotation = new PAnnotation("QueryBasedFeature");
addAnnotation(annotation);
}
return bodies;
}
}
}