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1/**
2 * Generated from platform:/resource/case.study.pledge.run/src/queries/familyTreeConstraints.vql
3 */
4package queries;
5
6import familytree.Member;
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.viatra.query.runtime.api.IPatternMatch;
20import org.eclipse.viatra.query.runtime.api.IQuerySpecification;
21import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine;
22import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFPQuery;
23import org.eclipse.viatra.query.runtime.api.impl.BaseGeneratedEMFQuerySpecification;
24import org.eclipse.viatra.query.runtime.api.impl.BaseMatcher;
25import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch;
26import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey;
27import org.eclipse.viatra.query.runtime.emf.types.EStructuralFeatureInstancesKey;
28import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
29import org.eclipse.viatra.query.runtime.matchers.psystem.PBody;
30import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable;
31import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.PAnnotation;
32import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
33import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.Equality;
34import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
35import org.eclipse.viatra.query.runtime.matchers.psystem.basicenumerables.TypeConstraint;
36import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter;
37import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameterDirection;
38import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PVisibility;
39import org.eclipse.viatra.query.runtime.matchers.tuple.Tuple;
40import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
41import org.eclipse.viatra.query.runtime.util.ViatraQueryLoggingUtil;
42
43/**
44 * A pattern-specific query specification that can instantiate Matcher in a type-safe way.
45 *
46 * <p>Original source:
47 * <code><pre>
48 * {@literal @}Constraint(message="memberIsItsOwnParent", severity="error", key={m})
49 * pattern memberIsItsOwnParent(m: Member) = {
50 * FamilyTree.members(_, m);
51 * Member.parents(m, p);
52 * m == p;
53 * }
54 * </pre></code>
55 *
56 * @see Matcher
57 * @see Match
58 *
59 */
60@SuppressWarnings("all")
61public final class MemberIsItsOwnParent extends BaseGeneratedEMFQuerySpecification<MemberIsItsOwnParent.Matcher> {
62 /**
63 * Pattern-specific match representation of the queries.memberIsItsOwnParent pattern,
64 * to be used in conjunction with {@link Matcher}.
65 *
66 * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned.
67 * Each instance is a (possibly partial) substitution of pattern parameters,
68 * usable to represent a match of the pattern in the result of a query,
69 * or to specify the bound (fixed) input parameters when issuing a query.
70 *
71 * @see Matcher
72 *
73 */
74 public static abstract class Match extends BasePatternMatch {
75 private Member fM;
76
77 private static List<String> parameterNames = makeImmutableList("m");
78
79 private Match(final Member pM) {
80 this.fM = pM;
81 }
82
83 @Override
84 public Object get(final String parameterName) {
85 switch(parameterName) {
86 case "m": return this.fM;
87 default: return null;
88 }
89 }
90
91 @Override
92 public Object get(final int index) {
93 switch(index) {
94 case 0: return this.fM;
95 default: return null;
96 }
97 }
98
99 public Member getM() {
100 return this.fM;
101 }
102
103 @Override
104 public boolean set(final String parameterName, final Object newValue) {
105 if (!isMutable()) throw new java.lang.UnsupportedOperationException();
106 if ("m".equals(parameterName) ) {
107 this.fM = (Member) newValue;
108 return true;
109 }
110 return false;
111 }
112
113 public void setM(final Member pM) {
114 if (!isMutable()) throw new java.lang.UnsupportedOperationException();
115 this.fM = pM;
116 }
117
118 @Override
119 public String patternName() {
120 return "queries.memberIsItsOwnParent";
121 }
122
123 @Override
124 public List<String> parameterNames() {
125 return MemberIsItsOwnParent.Match.parameterNames;
126 }
127
128 @Override
129 public Object[] toArray() {
130 return new Object[]{fM};
131 }
132
133 @Override
134 public MemberIsItsOwnParent.Match toImmutable() {
135 return isMutable() ? newMatch(fM) : this;
136 }
137
138 @Override
139 public String prettyPrint() {
140 StringBuilder result = new StringBuilder();
141 result.append("\"m\"=" + prettyPrintValue(fM));
142 return result.toString();
143 }
144
145 @Override
146 public int hashCode() {
147 return Objects.hash(fM);
148 }
149
150 @Override
151 public boolean equals(final Object obj) {
152 if (this == obj)
153 return true;
154 if (obj == null) {
155 return false;
156 }
157 if ((obj instanceof MemberIsItsOwnParent.Match)) {
158 MemberIsItsOwnParent.Match other = (MemberIsItsOwnParent.Match) obj;
159 return Objects.equals(fM, other.fM);
160 } else {
161 // this should be infrequent
162 if (!(obj instanceof IPatternMatch)) {
163 return false;
164 }
165 IPatternMatch otherSig = (IPatternMatch) obj;
166 return Objects.equals(specification(), otherSig.specification()) && Arrays.deepEquals(toArray(), otherSig.toArray());
167 }
168 }
169
170 @Override
171 public MemberIsItsOwnParent specification() {
172 return MemberIsItsOwnParent.instance();
173 }
174
175 /**
176 * Returns an empty, mutable match.
177 * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
178 *
179 * @return the empty match.
180 *
181 */
182 public static MemberIsItsOwnParent.Match newEmptyMatch() {
183 return new Mutable(null);
184 }
185
186 /**
187 * Returns a mutable (partial) match.
188 * Fields of the mutable match can be filled to create a partial match, usable as matcher input.
189 *
190 * @param pM the fixed value of pattern parameter m, or null if not bound.
191 * @return the new, mutable (partial) match object.
192 *
193 */
194 public static MemberIsItsOwnParent.Match newMutableMatch(final Member pM) {
195 return new Mutable(pM);
196 }
197
198 /**
199 * Returns a new (partial) match.
200 * This can be used e.g. to call the matcher with a partial match.
201 * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
202 * @param pM the fixed value of pattern parameter m, or null if not bound.
203 * @return the (partial) match object.
204 *
205 */
206 public static MemberIsItsOwnParent.Match newMatch(final Member pM) {
207 return new Immutable(pM);
208 }
209
210 private static final class Mutable extends MemberIsItsOwnParent.Match {
211 Mutable(final Member pM) {
212 super(pM);
213 }
214
215 @Override
216 public boolean isMutable() {
217 return true;
218 }
219 }
220
221 private static final class Immutable extends MemberIsItsOwnParent.Match {
222 Immutable(final Member pM) {
223 super(pM);
224 }
225
226 @Override
227 public boolean isMutable() {
228 return false;
229 }
230 }
231 }
232
233 /**
234 * Generated pattern matcher API of the queries.memberIsItsOwnParent pattern,
235 * providing pattern-specific query methods.
236 *
237 * <p>Use the pattern matcher on a given model via {@link #on(ViatraQueryEngine)},
238 * e.g. in conjunction with {@link ViatraQueryEngine#on(QueryScope)}.
239 *
240 * <p>Matches of the pattern will be represented as {@link Match}.
241 *
242 * <p>Original source:
243 * <code><pre>
244 * {@literal @}Constraint(message="memberIsItsOwnParent", severity="error", key={m})
245 * pattern memberIsItsOwnParent(m: Member) = {
246 * FamilyTree.members(_, m);
247 * Member.parents(m, p);
248 * m == p;
249 * }
250 * </pre></code>
251 *
252 * @see Match
253 * @see MemberIsItsOwnParent
254 *
255 */
256 public static class Matcher extends BaseMatcher<MemberIsItsOwnParent.Match> {
257 /**
258 * Initializes the pattern matcher within an existing VIATRA Query engine.
259 * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
260 *
261 * @param engine the existing VIATRA Query engine in which this matcher will be created.
262 * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
263 *
264 */
265 public static MemberIsItsOwnParent.Matcher on(final ViatraQueryEngine engine) {
266 // check if matcher already exists
267 Matcher matcher = engine.getExistingMatcher(querySpecification());
268 if (matcher == null) {
269 matcher = (Matcher)engine.getMatcher(querySpecification());
270 }
271 return matcher;
272 }
273
274 /**
275 * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
276 * @return an initialized matcher
277 * @noreference This method is for internal matcher initialization by the framework, do not call it manually.
278 *
279 */
280 public static MemberIsItsOwnParent.Matcher create() {
281 return new Matcher();
282 }
283
284 private static final int POSITION_M = 0;
285
286 private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(MemberIsItsOwnParent.Matcher.class);
287
288 /**
289 * Initializes the pattern matcher within an existing VIATRA Query engine.
290 * If the pattern matcher is already constructed in the engine, only a light-weight reference is returned.
291 *
292 * @param engine the existing VIATRA Query engine in which this matcher will be created.
293 * @throws ViatraQueryRuntimeException if an error occurs during pattern matcher creation
294 *
295 */
296 private Matcher() {
297 super(querySpecification());
298 }
299
300 /**
301 * Returns the set of all matches of the pattern that conform to the given fixed values of some parameters.
302 * @param pM the fixed value of pattern parameter m, or null if not bound.
303 * @return matches represented as a Match object.
304 *
305 */
306 public Collection<MemberIsItsOwnParent.Match> getAllMatches(final Member pM) {
307 return rawStreamAllMatches(new Object[]{pM}).collect(Collectors.toSet());
308 }
309
310 /**
311 * Returns a stream of all matches of the pattern that conform to the given fixed values of some parameters.
312 * </p>
313 * <strong>NOTE</strong>: It is important not to modify the source model while the stream is being processed.
314 * If the match set of the pattern changes during processing, the contents of the stream is <strong>undefined</strong>.
315 * In such cases, either rely on {@link #getAllMatches()} or collect the results of the stream in end-user code.
316 * @param pM the fixed value of pattern parameter m, or null if not bound.
317 * @return a stream of matches represented as a Match object.
318 *
319 */
320 public Stream<MemberIsItsOwnParent.Match> streamAllMatches(final Member pM) {
321 return rawStreamAllMatches(new Object[]{pM});
322 }
323
324 /**
325 * Returns an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
326 * Neither determinism nor randomness of selection is guaranteed.
327 * @param pM the fixed value of pattern parameter m, or null if not bound.
328 * @return a match represented as a Match object, or null if no match is found.
329 *
330 */
331 public Optional<MemberIsItsOwnParent.Match> getOneArbitraryMatch(final Member pM) {
332 return rawGetOneArbitraryMatch(new Object[]{pM});
333 }
334
335 /**
336 * Indicates whether the given combination of specified pattern parameters constitute a valid pattern match,
337 * under any possible substitution of the unspecified parameters (if any).
338 * @param pM the fixed value of pattern parameter m, or null if not bound.
339 * @return true if the input is a valid (partial) match of the pattern.
340 *
341 */
342 public boolean hasMatch(final Member pM) {
343 return rawHasMatch(new Object[]{pM});
344 }
345
346 /**
347 * Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
348 * @param pM the fixed value of pattern parameter m, or null if not bound.
349 * @return the number of pattern matches found.
350 *
351 */
352 public int countMatches(final Member pM) {
353 return rawCountMatches(new Object[]{pM});
354 }
355
356 /**
357 * Executes the given processor on an arbitrarily chosen match of the pattern that conforms to the given fixed values of some parameters.
358 * Neither determinism nor randomness of selection is guaranteed.
359 * @param pM the fixed value of pattern parameter m, or null if not bound.
360 * @param processor the action that will process the selected match.
361 * @return true if the pattern has at least one match with the given parameter values, false if the processor was not invoked
362 *
363 */
364 public boolean forOneArbitraryMatch(final Member pM, final Consumer<? super MemberIsItsOwnParent.Match> processor) {
365 return rawForOneArbitraryMatch(new Object[]{pM}, processor);
366 }
367
368 /**
369 * Returns a new (partial) match.
370 * This can be used e.g. to call the matcher with a partial match.
371 * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object.
372 * @param pM the fixed value of pattern parameter m, or null if not bound.
373 * @return the (partial) match object.
374 *
375 */
376 public MemberIsItsOwnParent.Match newMatch(final Member pM) {
377 return MemberIsItsOwnParent.Match.newMatch(pM);
378 }
379
380 /**
381 * Retrieve the set of values that occur in matches for m.
382 * @return the Set of all values or empty set if there are no matches
383 *
384 */
385 protected Stream<Member> rawStreamAllValuesOfm(final Object[] parameters) {
386 return rawStreamAllValues(POSITION_M, parameters).map(Member.class::cast);
387 }
388
389 /**
390 * Retrieve the set of values that occur in matches for m.
391 * @return the Set of all values or empty set if there are no matches
392 *
393 */
394 public Set<Member> getAllValuesOfm() {
395 return rawStreamAllValuesOfm(emptyArray()).collect(Collectors.toSet());
396 }
397
398 /**
399 * Retrieve the set of values that occur in matches for m.
400 * @return the Set of all values or empty set if there are no matches
401 *
402 */
403 public Stream<Member> streamAllValuesOfm() {
404 return rawStreamAllValuesOfm(emptyArray());
405 }
406
407 @Override
408 protected MemberIsItsOwnParent.Match tupleToMatch(final Tuple t) {
409 try {
410 return MemberIsItsOwnParent.Match.newMatch((Member) t.get(POSITION_M));
411 } catch(ClassCastException e) {
412 LOGGER.error("Element(s) in tuple not properly typed!",e);
413 return null;
414 }
415 }
416
417 @Override
418 protected MemberIsItsOwnParent.Match arrayToMatch(final Object[] match) {
419 try {
420 return MemberIsItsOwnParent.Match.newMatch((Member) match[POSITION_M]);
421 } catch(ClassCastException e) {
422 LOGGER.error("Element(s) in array not properly typed!",e);
423 return null;
424 }
425 }
426
427 @Override
428 protected MemberIsItsOwnParent.Match arrayToMatchMutable(final Object[] match) {
429 try {
430 return MemberIsItsOwnParent.Match.newMutableMatch((Member) match[POSITION_M]);
431 } catch(ClassCastException e) {
432 LOGGER.error("Element(s) in array not properly typed!",e);
433 return null;
434 }
435 }
436
437 /**
438 * @return the singleton instance of the query specification of this pattern
439 * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
440 *
441 */
442 public static IQuerySpecification<MemberIsItsOwnParent.Matcher> querySpecification() {
443 return MemberIsItsOwnParent.instance();
444 }
445 }
446
447 private MemberIsItsOwnParent() {
448 super(GeneratedPQuery.INSTANCE);
449 }
450
451 /**
452 * @return the singleton instance of the query specification
453 * @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
454 *
455 */
456 public static MemberIsItsOwnParent instance() {
457 try{
458 return LazyHolder.INSTANCE;
459 } catch (ExceptionInInitializerError err) {
460 throw processInitializerError(err);
461 }
462 }
463
464 @Override
465 protected MemberIsItsOwnParent.Matcher instantiate(final ViatraQueryEngine engine) {
466 return MemberIsItsOwnParent.Matcher.on(engine);
467 }
468
469 @Override
470 public MemberIsItsOwnParent.Matcher instantiate() {
471 return MemberIsItsOwnParent.Matcher.create();
472 }
473
474 @Override
475 public MemberIsItsOwnParent.Match newEmptyMatch() {
476 return MemberIsItsOwnParent.Match.newEmptyMatch();
477 }
478
479 @Override
480 public MemberIsItsOwnParent.Match newMatch(final Object... parameters) {
481 return MemberIsItsOwnParent.Match.newMatch((familytree.Member) parameters[0]);
482 }
483
484 /**
485 * Inner class allowing the singleton instance of {@link MemberIsItsOwnParent} to be created
486 * <b>not</b> at the class load time of the outer class,
487 * but rather at the first call to {@link MemberIsItsOwnParent#instance()}.
488 *
489 * <p> This workaround is required e.g. to support recursion.
490 *
491 */
492 private static class LazyHolder {
493 private static final MemberIsItsOwnParent INSTANCE = new MemberIsItsOwnParent();
494
495 /**
496 * Statically initializes the query specification <b>after</b> the field {@link #INSTANCE} is assigned.
497 * This initialization order is required to support indirect recursion.
498 *
499 * <p> The static initializer is defined using a helper field to work around limitations of the code generator.
500 *
501 */
502 private static final Object STATIC_INITIALIZER = ensureInitialized();
503
504 public static Object ensureInitialized() {
505 INSTANCE.ensureInitializedInternal();
506 return null;
507 }
508 }
509
510 private static class GeneratedPQuery extends BaseGeneratedEMFPQuery {
511 private static final MemberIsItsOwnParent.GeneratedPQuery INSTANCE = new GeneratedPQuery();
512
513 private final PParameter parameter_m = new PParameter("m", "familytree.Member", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http://www.example.org/familytree", "Member")), PParameterDirection.INOUT);
514
515 private final List<PParameter> parameters = Arrays.asList(parameter_m);
516
517 private GeneratedPQuery() {
518 super(PVisibility.PUBLIC);
519 }
520
521 @Override
522 public String getFullyQualifiedName() {
523 return "queries.memberIsItsOwnParent";
524 }
525
526 @Override
527 public List<String> getParameterNames() {
528 return Arrays.asList("m");
529 }
530
531 @Override
532 public List<PParameter> getParameters() {
533 return parameters;
534 }
535
536 @Override
537 public Set<PBody> doGetContainedBodies() {
538 setEvaluationHints(new QueryEvaluationHint(null, QueryEvaluationHint.BackendRequirement.UNSPECIFIED));
539 Set<PBody> bodies = new LinkedHashSet<>();
540 {
541 PBody body = new PBody(this);
542 PVariable var_m = body.getOrCreateVariableByName("m");
543 PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
544 PVariable var_p = body.getOrCreateVariableByName("p");
545 new TypeConstraint(body, Tuples.flatTupleOf(var_m), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/familytree", "Member")));
546 body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
547 new ExportedParameter(body, var_m, parameter_m)
548 ));
549 // FamilyTree.members(_, m)
550 new TypeConstraint(body, Tuples.flatTupleOf(var___0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/familytree", "FamilyTree")));
551 PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
552 new TypeConstraint(body, Tuples.flatTupleOf(var___0_, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/familytree", "FamilyTree", "members")));
553 new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/familytree", "Member")));
554 new Equality(body, var__virtual_0_, var_m);
555 // Member.parents(m, p)
556 new TypeConstraint(body, Tuples.flatTupleOf(var_m), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/familytree", "Member")));
557 PVariable var__virtual_1_ = body.getOrCreateVariableByName(".virtual{1}");
558 new TypeConstraint(body, Tuples.flatTupleOf(var_m, var__virtual_1_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http://www.example.org/familytree", "Member", "parents")));
559 new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_1_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http://www.example.org/familytree", "Member")));
560 new Equality(body, var__virtual_1_, var_p);
561 // m == p
562 new Equality(body, var_m, var_p);
563 bodies.add(body);
564 }
565 {
566 PAnnotation annotation = new PAnnotation("Constraint");
567 annotation.addAttribute("message", "memberIsItsOwnParent");
568 annotation.addAttribute("severity", "error");
569 annotation.addAttribute("key", Arrays.asList(new Object[] {
570 new ParameterReference("m")
571 }));
572 addAnnotation(annotation);
573 }
574 return bodies;
575 }
576 }
577}
generated by cgit v1.2.3-54-g00ecf (git 2.45.0) at 2024-05-05 18:49:18 +0000