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1/**
2 * Generated from platform:/resource/case.study.pledge.run/src/queries/case_study_A.vql
3 */
4package queries;
5
6import Taxation.Income;
7import java.util.Arrays;
8import java.util.Collection;
9import java.util.LinkedHashSet;
10import java.util.List;
11import java.util.Objects;
12import java.util.Optional;
13import java.util.Set;
14import java.util.function.Consumer;
15import java.util.stream.Collectors;
16import java.util.stream.Stream;
17import org.apache.log4j.Logger;
18import org.eclipse.emf.ecore.EClass;
19import org.eclipse.emf.ecore.EDataType;
20import org.eclipse.viatra.query.runtime.api.IPatternMatch;
21import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
22import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
23import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
24import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
25import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
26import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
27import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
28import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey;
29import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
30import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
31import org.eclipse.viatra.query.runtime.matchers.psystem.IExpressionEvaluator;
32import org.eclipse.viatra.query.runtime.matchers.psystem.IValueProvider;
33import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
34import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
35import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
36import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
37import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
38import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
39import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExpressionEvaluation;
40import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
41import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
42import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
43import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
44import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
45import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
46import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
47
48/**
49 * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
50 *
51 * <p>Original source:
52 * <code><pre>
53 * //inv7-OrderedSet
54 * {@literal @}Constraint(message = "inv07", severity = "error", key = {inc})
55 * pattern inv07(inc : Income) {
56 * Income.details.distance(inc, d1);
57 * Income.details.distance(inc, d2);
58 * check(d1 != d2);//compare values
59 * }
60 * </pre></code>
61 *
62 * @see Matcher
63 * @see Match
64 *
65 */
66@SuppressWarnings("all")
67public final class Inv07 extends BaseGeneratedEMFQuerySpecification<Inv07.Matcher> {
68 /**
69 * Pattern-specific match representation of the queries.inv07 pattern,
70 * to be used in conjunction with {@link Matcher}.
71 *
72 * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
73 * Each instance is a (possibly partial) substitution of pattern parameters,
74 * usable to represent a match of the pattern in the result of a query,
75 * or to specify the bound (fixed) input parameters when issuing a query.
76 *
77 * @see Matcher
78 *
79 */
80 public static abstract class Match extends BasePatternMatch {
81 private Income fInc;
82
83 private static List<String> parameterNames = makeImmutableList("inc");
84
85 private Match(final Income pInc) {
86 this.fInc = pInc;
87 }
88
89 @Override
90 public Object get(final String parameterName) {
91 switch(parameterName) {
92 case "inc": return this.fInc;
93 default: return null;
94 }
95 }
96
97 @Override
98 public Object get(final int index) {
99 switch(index) {
100 case 0: return this.fInc;
101 default: return null;
102 }
103 }
104
105 public Income getInc() {
106 return this.fInc;
107 }
108
109 @Override
110 public boolean set(final String parameterName, final Object newValue) {
111 if (!isMutable()) throw new java.lang.UnsupportedOperationException();
112 if ("inc".equals(parameterName) ) {
113 this.fInc = (Income) newValue;
114 return true;
115 }
116 return false;
117 }
118
119 public void setInc(final Income pInc) {
120 if (!isMutable()) throw new java.lang.UnsupportedOperationException();
121 this.fInc = pInc;
122 }
123
124 @Override
125 public String patternName() {
126 return "queries.inv07";
127 }
128
129 @Override
130 public List<String> parameterNames() {
131 return Inv07.Match.parameterNames;
132 }
133
134 @Override
135 public Object[] toArray() {
136 return new Object[]{fInc};
137 }
138
139 @Override
140 public Inv07.Match toImmutable() {
141 return isMutable() ? newMatch(fInc) : this;
142 }
143
144 @Override
145 public String prettyPrint() {
146 StringBuilder result = new StringBuilder();
147 result.append("\"inc\"=" + prettyPrintValue(fInc));
148 return result.toString();
149 }
150
151 @Override
152 public int hashCode() {
153 return Objects.hash(fInc);
154 }
155
156 @Override
157 public boolean equals(final Object obj) {
158 if (this == obj)
159 return true;
160 if (obj == null) {
161 return false;
162 }
163 if ((obj instanceof Inv07.Match)) {
164 Inv07.Match other = (Inv07.Match) obj;
165 return Objects.equals(fInc, other.fInc);
166 } else {
167 // this should be infrequent
168 if (!(obj instanceof IPatternMatch)) {
169 return false;
170 }
171 IPatternMatch otherSig = (IPatternMatch) obj;
172 return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
173 }
174 }
175
176 @Override
177 public Inv07 specification() {
178 return Inv07.instance();
179 }
180
181 /**
182 * Returns an empty, mutable match.
183 * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
184 *
185 * @return the empty match.
186 *
187 */
188 public static Inv07.Match newEmptyMatch() {
189 return new Mutable(null);
190 }
191
192 /**
193 * Returns a mutable (partial) match.
194 * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
195 *
196 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
197 * @return the new, mutable (partial) match object.
198 *
199 */
200 public static Inv07.Match newMutableMatch(final Income pInc) {
201 return new Mutable(pInc);
202 }
203
204 /**
205 * Returns a new (partial) match.
206 * This can be used e.g. to call the matcher with a partial match.
207 * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
208 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
209 * @return the (partial) match object.
210 *
211 */
212 public static Inv07.Match newMatch(final Income pInc) {
213 return new Immutable(pInc);
214 }
215
216 private static final class Mutable extends Inv07.Match {
217 Mutable(final Income pInc) {
218 super(pInc);
219 }
220
221 @Override
222 public boolean isMutable() {
223 return true;
224 }
225 }
226
227 private static final class Immutable extends Inv07.Match {
228 Immutable(final Income pInc) {
229 super(pInc);
230 }
231
232 @Override
233 public boolean isMutable() {
234 return false;
235 }
236 }
237 }
238
239 /**
240 * Generated pattern matcher API of the queries.inv07 pattern,
241 * providing pattern-specific query methods.
242 *
243 * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
244 * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
245 *
246 * <p>Matches of the pattern will be represented as {@link Match}.
247 *
248 * <p>Original source:
249 * <code><pre>
250 * //inv7-OrderedSet
251 * {@literal @}Constraint(message = "inv07", severity = "error", key = {inc})
252 * pattern inv07(inc : Income) {
253 * Income.details.distance(inc, d1);
254 * Income.details.distance(inc, d2);
255 * check(d1 != d2);//compare values
256 * }
257 * </pre></code>
258 *
259 * @see Match
260 * @see Inv07
261 *
262 */
263 public static class Matcher extends BaseMatcher<Inv07.Match> {
264 /**
265 * Initializes the pattern matcher within an existing VIATRA Query engine.
266 * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
267 *
268 * @param engine the existing VIATRA Query engine in which this matcher will be created.
269 * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
270 *
271 */
272 public static Inv07.Matcher on(final ViatraQueryEngine engine) {
273 // check if matcher already exists
274 Matcher matcher = engine.getExistingMatcher(querySpecification());
275 if (matcher == null) {
276 matcher = (Matcher)engine.getMatcher(querySpecification());
277 }
278 return matcher;
279 }
280
281 /**
282 * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
283 * @return an initialized matcher
284 * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
285 *
286 */
287 public static Inv07.Matcher create() {
288 return new Matcher();
289 }
290
291 private static final int POSITION_INC = 0;
292
293 private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(Inv07.Matcher.class);
294
295 /**
296 * Initializes the pattern matcher within an existing VIATRA Query engine.
297 * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
298 *
299 * @param engine the existing VIATRA Query engine in which this matcher will be created.
300 * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
301 *
302 */
303 private Matcher() {
304 super(querySpecification());
305 }
306
307 /**
308 * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
309 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
310 * @return matches represented as a Match object.
311 *
312 */
313 public Collection<Inv07.Match> getAllMatches(final Income pInc) {
314 return rawStreamAllMatches(new Object[]{pInc}).collect(Collectors.toSet());
315 }
316
317 /**
318 * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
319 * </p>
320 * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
321 * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
322 * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
323 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
324 * @return a stream of matches represented as a Match object.
325 *
326 */
327 public Stream<Inv07.Match> streamAllMatches(final Income pInc) {
328 return rawStreamAllMatches(new Object[]{pInc});
329 }
330
331 /**
332 * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
333 * Neither determinism nor randomness of selection is guaranteed.
334 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
335 * @return a match represented as a Match object, or null if no match is found.
336 *
337 */
338 public Optional<Inv07.Match> getOneArbitraryMatch(final Income pInc) {
339 return rawGetOneArbitraryMatch(new Object[]{pInc});
340 }
341
342 /**
343 * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
344 * under any possible substitution of the unspecified parameters (if any).
345 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
346 * @return true if the input is a valid (partial) match of the pattern.
347 *
348 */
349 public boolean hasMatch(final Income pInc) {
350 return rawHasMatch(new Object[]{pInc});
351 }
352
353 /**
354 * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
355 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
356 * @return the number of pattern matches found.
357 *
358 */
359 public int countMatches(final Income pInc) {
360 return rawCountMatches(new Object[]{pInc});
361 }
362
363 /**
364 * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
365 * Neither determinism nor randomness of selection is guaranteed.
366 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
367 * @param processor the action that will process the selected match.
368 * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
369 *
370 */
371 public boolean forOneArbitraryMatch(final Income pInc, final Consumer<? super Inv07.Match> processor) {
372 return rawForOneArbitraryMatch(new Object[]{pInc}, processor);
373 }
374
375 /**
376 * Returns a new (partial) match.
377 * This can be used e.g. to call the matcher with a partial match.
378 * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
379 * @param pInc the fixed value of pattern parameter inc, or null if not bound.
380 * @return the (partial) match object.
381 *
382 */
383 public Inv07.Match newMatch(final Income pInc) {
384 return Inv07.Match.newMatch(pInc);
385 }
386
387 /**
388 * Retrieve the set of values that occur in matches for inc.
389 * @return the Set of all values or empty set if there are no matches
390 *
391 */
392 protected Stream<Income> rawStreamAllValuesOfinc(final Object[] parameters) {
393 return rawStreamAllValues(POSITION_INC, parameters).map(Income.class::cast);
394 }
395
396 /**
397 * Retrieve the set of values that occur in matches for inc.
398 * @return the Set of all values or empty set if there are no matches
399 *
400 */
401 public Set<Income> getAllValuesOfinc() {
402 return rawStreamAllValuesOfinc(emptyArray()).collect(Collectors.toSet());
403 }
404
405 /**
406 * Retrieve the set of values that occur in matches for inc.
407 * @return the Set of all values or empty set if there are no matches
408 *
409 */
410 public Stream<Income> streamAllValuesOfinc() {
411 return rawStreamAllValuesOfinc(emptyArray());
412 }
413
414 @Override
415 protected Inv07.Match tupleToMatch(final Tuple t) {
416 try {
417 return Inv07.Match.newMatch((Income) t.get(POSITION_INC));
418 } catch(ClassCastException e) {
419 LOGGER.error("Element(s) in tuple not properly typed!",e);
420 return null;
421 }
422 }
423
424 @Override
425 protected Inv07.Match arrayToMatch(final Object[] match) {
426 try {
427 return Inv07.Match.newMatch((Income) match[POSITION_INC]);
428 } catch(ClassCastException e) {
429 LOGGER.error("Element(s) in array not properly typed!",e);
430 return null;
431 }
432 }
433
434 @Override
435 protected Inv07.Match arrayToMatchMutable(final Object[] match) {
436 try {
437 return Inv07.Match.newMutableMatch((Income) match[POSITION_INC]);
438 } catch(ClassCastException e) {
439 LOGGER.error("Element(s) in array not properly typed!",e);
440 return null;
441 }
442 }
443
444 /**
445 * @return the singleton instance of the query specification of this pattern
446 * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
447 *
448 */
449 public static IQuerySpecification<Inv07.Matcher> querySpecification() {
450 return Inv07.instance();
451 }
452 }
453
454 private Inv07() {
455 super(GeneratedPQuery.INSTANCE);
456 }
457
458 /**
459 * @return the singleton instance of the query specification
460 * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
461 *
462 */
463 public static Inv07 instance() {
464 try{
465 return LazyHolder.INSTANCE;
466 } catch (ExceptionInInitializerError err) {
467 throw processInitializerError(err);
468 }
469 }
470
471 @Override
472 protected Inv07.Matcher instantiate(final ViatraQueryEngine engine) {
473 return Inv07.Matcher.on(engine);
474 }
475
476 @Override
477 public Inv07.Matcher instantiate() {
478 return Inv07.Matcher.create();
479 }
480
481 @Override
482 public Inv07.Match newEmptyMatch() {
483 return Inv07.Match.newEmptyMatch();
484 }
485
486 @Override
487 public Inv07.Match newMatch(final Object... parameters) {
488 return Inv07.Match.newMatch((Taxation.Income) parameters[0]);
489 }
490
491 /**
492 * Inner class allowing the singleton instance of {@link Inv07} to be created
493 * <b>not</b> at the class load time of the outer class,
494 * but rather at the first call to {@link Inv07#instance()}.
495 *
496 * <p> This workaround is required e.g. to support recursion.
497 *
498 */
499 private static class LazyHolder {
500 private static final Inv07 INSTANCE = new Inv07();
501
502 /**
503 * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
504 * This initialization order is required to support indirect recursion.
505 *
506 * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
507 *
508 */
509 private static final Object STATIC_INITIALIZER = ensureInitialized();
510
511 public static Object ensureInitialized() {
512 INSTANCE.ensureInitializedInternal();
513 return null;
514 }
515 }
516
517 private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
518 private static final Inv07.GeneratedPQuery INSTANCE = new GeneratedPQuery();
519
520 private final PParameter parameter_inc = new PParameter("inc", "Taxation.Income", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http:///TaxCard.ecore", "Income")), PParameterDirection.INOUT);
521
522 private final List<PParameter> parameters = Arrays.asList(parameter_inc);
523
524 private GeneratedPQuery() {
525 super(PVisibility.PUBLIC);
526 }
527
528 @Override
529 public String getFullyQualifiedName() {
530 return "queries.inv07";
531 }
532
533 @Override
534 public List<String> getParameterNames() {
535 return Arrays.asList("inc");
536 }
537
538 @Override
539 public List<PParameter> getParameters() {
540 return parameters;
541 }
542
543 @Override
544 public Set<PBody> doGetContainedBodies() {
545 setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
546 Set<PBody> bodies = new LinkedHashSet<>();
547 {
548 PBody body = new PBody(this);
549 PVariable var_inc = body.getOrCreateVariableByName("inc");
550 PVariable var_d1 = body.getOrCreateVariableByName("d1");
551 PVariable var_d2 = body.getOrCreateVariableByName("d2");
552 new TypeConstraint(body, Tuples.flatTupleOf(var_inc), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income")));
553 body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
554 new ExportedParameter(body, var_inc, parameter_inc)
555 ));
556 // Income.details.distance(inc, d1)
557 new TypeConstraint(body, Tuples.flatTupleOf(var_inc), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income")));
558 PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
559 new TypeConstraint(body, Tuples.flatTupleOf(var_inc, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income", "details")));
560 new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income_Detail")));
561 PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
562 new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income_Detail", "distance")));
563 new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EDouble")));
564 new Equality(body, var__virtual_1_, var_d1);
565 // Income.details.distance(inc, d2)
566 new TypeConstraint(body, Tuples.flatTupleOf(var_inc), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income")));
567 PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
568 new TypeConstraint(body, Tuples.flatTupleOf(var_inc, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income", "details")));
569 new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income_Detail")));
570 PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
571 new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_, var__virtual_3_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income_Detail", "distance")));
572 new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_3_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EDouble")));
573 new Equality(body, var__virtual_3_, var_d2);
574 // check(d1 != d2)
575 new ExpressionEvaluation(body, new IExpressionEvaluator() {
576
577 @Override
578 public String getShortDescription() {
579 return "Expression evaluation from pattern inv07";
580 }
581
582 @Override
583 public Iterable<String> getInputParameterNames() {
584 return Arrays.asList("d1", "d2");}
585
586 @Override
587 public Object evaluateExpression(IValueProvider provider) throws Exception {
588 Double d1 = (Double) provider.getValue("d1");
589 Double d2 = (Double) provider.getValue("d2");
590 return evaluateExpression_1_1(d1, d2);
591 }
592 }, null);
593 bodies.add(body);
594 }
595 {
596 PAnnotation annotation = new PAnnotation("Constraint");
597 annotation.addAttribute("message", "inv07");
598 annotation.addAttribute("severity", "error");
599 annotation.addAttribute("key", Arrays.asList(new Object[] {
600 new ParameterReference("inc")
601 }));
602 addAnnotation(annotation);
603 }
604 return bodies;
605 }
606 }
607
608 private static boolean evaluateExpression_1_1(final Double d1, final Double d2) {
609 boolean _notEquals = (!com.google.common.base.Objects.equal(d1, d2));
610 return _notEquals;
611 }
612}