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/**
* Generated from platform:/resource/case.study.a.queries/src/queries/case_study_A.vql
*/
package queries;
import Taxation.Expense;
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.stream.Stream;
import org.apache.log4j.Logger;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.viatra.query.runtime.api.IPatternMatch;
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.EDataTypeInSlotsKey;
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.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.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;
import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
/**
* A pattern-specific query specification that can instantiate Matcher in a type-safe way.
*
* <p>Original source:
* <code><pre>
* pattern x_inv11_incNotOver100(exp : Expense) {
* Expense.income.income_amount(exp, incVal);
* check(incVal / 2 {@literal <}= 50);
* } or {
* Expense.declared_amount(exp, decl);
* check(decl {@literal <} 50);
* } or {
* Expense.income.income_amount(exp, incVal);
* Expense.declared_amount(exp, decl);
* check(decl {@literal >} incVal/2);
* }
* </pre></code>
*
* @see Matcher
* @see Match
*
*/
@SuppressWarnings("all")
public final class X_inv11_incNotOver100 extends BaseGeneratedEMFQuerySpecification<X_inv11_incNotOver100.Matcher> {
/**
* Pattern-specific match representation of the queries.x_inv11_incNotOver100 pattern,
* to be used in conjunction with {@link Matcher}.
*
* <p>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 Expense fExp;
private static List<String> parameterNames = makeImmutableList("exp");
private Match(final Expense pExp) {
this.fExp = pExp;
}
@Override
public Object get(final String parameterName) {
switch(parameterName) {
case "exp": return this.fExp;
default: return null;
}
}
@Override
public Object get(final int index) {
switch(index) {
case 0: return this.fExp;
default: return null;
}
}
public Expense getExp() {
return this.fExp;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("exp".equals(parameterName) ) {
this.fExp = (Expense) newValue;
return true;
}
return false;
}
public void setExp(final Expense pExp) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fExp = pExp;
}
@Override
public String patternName() {
return "queries.x_inv11_incNotOver100";
}
@Override
public List<String> parameterNames() {
return X_inv11_incNotOver100.Match.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fExp};
}
@Override
public X_inv11_incNotOver100.Match toImmutable() {
return isMutable() ? newMatch(fExp) : this;
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"exp\"=" + prettyPrintValue(fExp));
return result.toString();
}
@Override
public int hashCode() {
return Objects.hash(fExp);
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if ((obj instanceof X_inv11_incNotOver100.Match)) {
X_inv11_incNotOver100.Match other = (X_inv11_incNotOver100.Match) obj;
return Objects.equals(fExp, other.fExp);
} 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 X_inv11_incNotOver100 specification() {
return X_inv11_incNotOver100.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 X_inv11_incNotOver100.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 pExp the fixed value of pattern parameter exp, or null if not bound.
* @return the new, mutable (partial) match object.
*
*/
public static X_inv11_incNotOver100.Match newMutableMatch(final Expense pExp) {
return new Mutable(pExp);
}
/**
* Returns a new (partial) match.
* This can be used e.g. to call the matcher with a partial match.
* <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
* @param pExp the fixed value of pattern parameter exp, or null if not bound.
* @return the (partial) match object.
*
*/
public static X_inv11_incNotOver100.Match newMatch(final Expense pExp) {
return new Immutable(pExp);
}
private static final class Mutable extends X_inv11_incNotOver100.Match {
Mutable(final Expense pExp) {
super(pExp);
}
@Override
public boolean isMutable() {
return true;
}
}
private static final class Immutable extends X_inv11_incNotOver100.Match {
Immutable(final Expense pExp) {
super(pExp);
}
@Override
public boolean isMutable() {
return false;
}
}
}
/**
* Generated pattern matcher API of the queries.x_inv11_incNotOver100 pattern,
* providing pattern-specific query methods.
*
* <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
* e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
*
* <p>Matches of the pattern will be represented as {@link Match}.
*
* <p>Original source:
* <code><pre>
* pattern x_inv11_incNotOver100(exp : Expense) {
* Expense.income.income_amount(exp, incVal);
* check(incVal / 2 {@literal <}= 50);
* } or {
* Expense.declared_amount(exp, decl);
* check(decl {@literal <} 50);
* } or {
* Expense.income.income_amount(exp, incVal);
* Expense.declared_amount(exp, decl);
* check(decl {@literal >} incVal/2);
* }
* </pre></code>
*
* @see Match
* @see X_inv11_incNotOver100
*
*/
public static class Matcher extends BaseMatcher<X_inv11_incNotOver100.Match> {
/**
* 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 X_inv11_incNotOver100.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 X_inv11_incNotOver100.Matcher create() {
return new Matcher();
}
private static final int POSITION_EXP = 0;
private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(X_inv11_incNotOver100.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 pExp the fixed value of pattern parameter exp, or null if not bound.
* @return matches represented as a Match object.
*
*/
public Collection<X_inv11_incNotOver100.Match> getAllMatches();
/**
* Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
* </p>
* <strong>NOTE</strong>: 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 <strong>undefined</strong>.
* In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
* @param pExp the fixed value of pattern parameter exp, or null if not bound.
* @return a stream of matches represented as a Match object.
*
*/
public Stream<X_inv11_incNotOver100.Match> streamAllMatches(final Expense pExp) {
return rawStreamAllMatches(new Object[]{pExp});
}
/**
* 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 pExp the fixed value of pattern parameter exp, or null if not bound.
* @return a match represented as a Match object, or null if no match is found.
*
*/
public Optional<X_inv11_incNotOver100.Match> getOneArbitraryMatch(final Expense pExp) {
return rawGetOneArbitraryMatch(new Object[]{pExp});
}
/**
* 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 pExp the fixed value of pattern parameter exp, or null if not bound.
* @return true if the input is a valid (partial) match of the pattern.
*
*/
public boolean hasMatch(final Expense pExp) {
return rawHasMatch(new Object[]{pExp});
}
/**
* Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
* @param pExp the fixed value of pattern parameter exp, or null if not bound.
* @return the number of pattern matches found.
*
*/
public int countMatches(final Expense pExp) {
return rawCountMatches(new Object[]{pExp});
}
/**
* 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 pExp the fixed value of pattern parameter exp, 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();
/**
* Returns a new (partial) match.
* This can be used e.g. to call the matcher with a partial match.
* <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
* @param pExp the fixed value of pattern parameter exp, or null if not bound.
* @return the (partial) match object.
*
*/
public X_inv11_incNotOver100.Match newMatch(final Expense pExp) {
return X_inv11_incNotOver100.Match.newMatch(pExp);
}
}
private X_inv11_incNotOver100() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static X_inv11_incNotOver100 instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected X_inv11_incNotOver100.Matcher instantiate(final ViatraQueryEngine engine) {
return X_inv11_incNotOver100.Matcher.on(engine);
}
@Override
public X_inv11_incNotOver100.Matcher instantiate() {
return X_inv11_incNotOver100.Matcher.create();
}
@Override
public X_inv11_incNotOver100.Match newEmptyMatch() {
return X_inv11_incNotOver100.Match.newEmptyMatch();
}
@Override
public X_inv11_incNotOver100.Match newMatch(final Object... parameters) {
return X_inv11_incNotOver100.Match.newMatch((Taxation.Expense) parameters[0]);
}
/**
* Inner class allowing the singleton instance of {@link X_inv11_incNotOver100} to be created
* <b>not</b> at the class load time of the outer class,
* but rather at the first call to {@link X_inv11_incNotOver100#instance()}.
*
* <p> This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private static final X_inv11_incNotOver100 INSTANCE = new X_inv11_incNotOver100();
/**
* 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 X_inv11_incNotOver100.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_exp = new PParameter("exp", "Taxation.Expense", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http:///TaxCard.ecore", "Expense")), PParameterDirection.INOUT);
private final List<PParameter> parameters = Arrays.asList(parameter_exp);
private GeneratedPQuery() {
super(PVisibility.PUBLIC);
}
@Override
public String getFullyQualifiedName() {
return "queries.x_inv11_incNotOver100";
}
@Override
public List<String> getParameterNames() {
return Arrays.asList("exp");
}
@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_exp = body.getOrCreateVariableByName("exp");
PVariable var_incVal = body.getOrCreateVariableByName("incVal");
new TypeConstraint(body, Tuples.flatTupleOf(var_exp), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Expense")));
body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
new ExportedParameter(body, var_exp, parameter_exp)
));
// Expense.income.income_amount(exp, incVal)
new TypeConstraint(body, Tuples.flatTupleOf(var_exp), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Expense")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_exp, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Expense", "income")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income")));
PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income", "income_amount")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EDouble")));
new Equality(body, var__virtual_1_, var_incVal);
// check(incVal / 2 <= 50)
new ExpressionEvaluation(body, new IExpressionEvaluator() {
@Override
public String getShortDescription() {
return "Expression evaluation from pattern x_inv11_incNotOver100";
}
@Override
public Iterable<String> getInputParameterNames() {
return Arrays.asList("incVal");}
@Override
public Object evaluateExpression(IValueProvider provider) throws Exception {
Double incVal = (Double) provider.getValue("incVal");
return evaluateExpression_1_1(incVal);
}
}, null);
bodies.add(body);
}
{
PBody body = new PBody(this);
PVariable var_exp = body.getOrCreateVariableByName("exp");
PVariable var_decl = body.getOrCreateVariableByName("decl");
new TypeConstraint(body, Tuples.flatTupleOf(var_exp), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Expense")));
body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
new ExportedParameter(body, var_exp, parameter_exp)
));
// Expense.declared_amount(exp, decl)
new TypeConstraint(body, Tuples.flatTupleOf(var_exp), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Expense")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_exp, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Expense", "declared_amount")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EDouble")));
new Equality(body, var__virtual_0_, var_decl);
// check(decl < 50)
new ExpressionEvaluation(body, new IExpressionEvaluator() {
@Override
public String getShortDescription() {
return "Expression evaluation from pattern x_inv11_incNotOver100";
}
@Override
public Iterable<String> getInputParameterNames() {
return Arrays.asList("decl");}
@Override
public Object evaluateExpression(IValueProvider provider) throws Exception {
Double decl = (Double) provider.getValue("decl");
return evaluateExpression_2_1(decl);
}
}, null);
bodies.add(body);
}
{
PBody body = new PBody(this);
PVariable var_exp = body.getOrCreateVariableByName("exp");
PVariable var_incVal = body.getOrCreateVariableByName("incVal");
PVariable var_decl = body.getOrCreateVariableByName("decl");
new TypeConstraint(body, Tuples.flatTupleOf(var_exp), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Expense")));
body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
new ExportedParameter(body, var_exp, parameter_exp)
));
// Expense.income.income_amount(exp, incVal)
new TypeConstraint(body, Tuples.flatTupleOf(var_exp), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Expense")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_exp, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Expense", "income")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income")));
PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income", "income_amount")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EDouble")));
new Equality(body, var__virtual_1_, var_incVal);
// Expense.declared_amount(exp, decl)
new TypeConstraint(body, Tuples.flatTupleOf(var_exp), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Expense")));
PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
new TypeConstraint(body, Tuples.flatTupleOf(var_exp, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Expense", "declared_amount")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EDouble")));
new Equality(body, var__virtual_2_, var_decl);
// check(decl > incVal/2)
new ExpressionEvaluation(body, new IExpressionEvaluator() {
@Override
public String getShortDescription() {
return "Expression evaluation from pattern x_inv11_incNotOver100";
}
@Override
public Iterable<String> getInputParameterNames() {
return Arrays.asList("decl", "incVal");}
@Override
public Object evaluateExpression(IValueProvider provider) throws Exception {
Double decl = (Double) provider.getValue("decl");
Double incVal = (Double) provider.getValue("incVal");
return evaluateExpression_3_1(decl, incVal);
}
}, null);
bodies.add(body);
}
return bodies;
}
}
private static boolean evaluateExpression_1_1(final Double incVal) {
return (((incVal).doubleValue() / 2) <= 50);
}
private static boolean evaluateExpression_2_1(final Double decl) {
return ((decl).doubleValue() < 50);
}
private static boolean evaluateExpression_3_1(final Double decl, final Double incVal) {
return ((decl).doubleValue() > ((incVal).doubleValue() / 2));
}
}
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