1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
|
/**
* Generated from platform:/resource/case.study.a.queries/src/queries/case_study_A.vql
*/
package queries;
import Taxation.Income;
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.basicdeferred.Equality;
import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.ExportedParameter;
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.
*
* <p>Original source:
* <code><pre>
* pattern x_inv08_noType(inc : Income) {
* Income.income_type(inc, _);
* }
* </pre></code>
*
* @see Matcher
* @see Match
*
*/
@SuppressWarnings("all")
public final class X_inv08_noType extends BaseGeneratedEMFQuerySpecification<X_inv08_noType.Matcher> {
/**
* Pattern-specific match representation of the queries.x_inv08_noType 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 Income fInc;
private static List<String> parameterNames = makeImmutableList("inc");
private Match(final Income pInc) {
this.fInc = pInc;
}
@Override
public Object get(final String parameterName) {
switch(parameterName) {
case "inc": return this.fInc;
default: return null;
}
}
@Override
public Object get(final int index) {
switch(index) {
case 0: return this.fInc;
default: return null;
}
}
public Income getInc() {
return this.fInc;
}
@Override
public boolean set(final String parameterName, final Object newValue) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
if ("inc".equals(parameterName) ) {
this.fInc = (Income) newValue;
return true;
}
return false;
}
public void setInc(final Income pInc) {
if (!isMutable()) throw new java.lang.UnsupportedOperationException();
this.fInc = pInc;
}
@Override
public String patternName() {
return "queries.x_inv08_noType";
}
@Override
public List<String> parameterNames() {
return X_inv08_noType.Match.parameterNames;
}
@Override
public Object[] toArray() {
return new Object[]{fInc};
}
@Override
public X_inv08_noType.Match toImmutable() {
return isMutable() ? newMatch(fInc) : this;
}
@Override
public String prettyPrint() {
StringBuilder result = new StringBuilder();
result.append("\"inc\"=" + prettyPrintValue(fInc));
return result.toString();
}
@Override
public int hashCode() {
return Objects.hash(fInc);
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null) {
return false;
}
if ((obj instanceof X_inv08_noType.Match)) {
X_inv08_noType.Match other = (X_inv08_noType.Match) obj;
return Objects.equals(fInc, other.fInc);
} 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_inv08_noType specification() {
return X_inv08_noType.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_inv08_noType.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 pInc the fixed value of pattern parameter inc, or null if not bound.
* @return the new, mutable (partial) match object.
*
*/
public static X_inv08_noType.Match newMutableMatch(final Income pInc) {
return new Mutable(pInc);
}
/**
* 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 pInc the fixed value of pattern parameter inc, or null if not bound.
* @return the (partial) match object.
*
*/
public static X_inv08_noType.Match newMatch(final Income pInc) {
return new Immutable(pInc);
}
private static final class Mutable extends X_inv08_noType.Match {
Mutable(final Income pInc) {
super(pInc);
}
@Override
public boolean isMutable() {
return true;
}
}
private static final class Immutable extends X_inv08_noType.Match {
Immutable(final Income pInc) {
super(pInc);
}
@Override
public boolean isMutable() {
return false;
}
}
}
/**
* Generated pattern matcher API of the queries.x_inv08_noType 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_inv08_noType(inc : Income) {
* Income.income_type(inc, _);
* }
* </pre></code>
*
* @see Match
* @see X_inv08_noType
*
*/
public static class Matcher extends BaseMatcher<X_inv08_noType.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_inv08_noType.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_inv08_noType.Matcher create() {
return new Matcher();
}
private static final int POSITION_INC = 0;
private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(X_inv08_noType.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 pInc the fixed value of pattern parameter inc, or null if not bound.
* @return matches represented as a Match object.
*
*/
public Collection<X_inv08_noType.Match> getAllMatches(final Income pInc) {
return rawStreamAllMatches(new Object[]{pInc}).collect(Collectors.toSet());
}
/**
* 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 pInc the fixed value of pattern parameter inc, or null if not bound.
* @return a stream of matches represented as a Match object.
*
*/
public Stream<X_inv08_noType.Match> streamAllMatches(final Income pInc) {
return rawStreamAllMatches(new Object[]{pInc});
}
/**
* 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 pInc the fixed value of pattern parameter inc, or null if not bound.
* @return a match represented as a Match object, or null if no match is found.
*
*/
public Optional<X_inv08_noType.Match> getOneArbitraryMatch(final Income pInc) {
return rawGetOneArbitraryMatch(new Object[]{pInc});
}
/**
* 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 pInc the fixed value of pattern parameter inc, or null if not bound.
* @return true if the input is a valid (partial) match of the pattern.
*
*/
public boolean hasMatch(final Income pInc) {
return rawHasMatch(new Object[]{pInc});
}
/**
* Returns the number of all matches of the pattern that conform to the given fixed values of some parameters.
* @param pInc the fixed value of pattern parameter inc, or null if not bound.
* @return the number of pattern matches found.
*
*/
public int countMatches(final Income pInc) {
return rawCountMatches(new Object[]{pInc});
}
/**
* 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 pInc the fixed value of pattern parameter inc, 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 Income pInc, final Consumer<? super X_inv08_noType.Match> processor) {
return rawForOneArbitraryMatch(new Object[]{pInc}, processor);
}
/**
* 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 pInc the fixed value of pattern parameter inc, or null if not bound.
* @return the (partial) match object.
*
*/
public X_inv08_noType.Match newMatch(final Income pInc) {
return X_inv08_noType.Match.newMatch(pInc);
}
/**
* Retrieve the set of values that occur in matches for inc.
* @return the Set of all values or empty set if there are no matches
*
*/
protected Stream<Income> rawStreamAllValuesOfinc(final Object[] parameters) {
return rawStreamAllValues(POSITION_INC, parameters).map(Income.class::cast);
}
/**
* Retrieve the set of values that occur in matches for inc.
* @return the Set of all values or empty set if there are no matches
*
*/
public Set<Income> getAllValuesOfinc() {
return rawStreamAllValuesOfinc(emptyArray()).collect(Collectors.toSet());
}
/**
* Retrieve the set of values that occur in matches for inc.
* @return the Set of all values or empty set if there are no matches
*
*/
public Stream<Income> streamAllValuesOfinc() {
return rawStreamAllValuesOfinc(emptyArray());
}
@Override
protected X_inv08_noType.Match tupleToMatch(final Tuple t) {
try {
return X_inv08_noType.Match.newMatch((Income) t.get(POSITION_INC));
} catch(ClassCastException e) {
LOGGER.error("Element(s) in tuple not properly typed!",e);
return null;
}
}
@Override
protected X_inv08_noType.Match arrayToMatch(final Object[] match) {
try {
return X_inv08_noType.Match.newMatch((Income) match[POSITION_INC]);
} catch(ClassCastException e) {
LOGGER.error("Element(s) in array not properly typed!",e);
return null;
}
}
@Override
protected X_inv08_noType.Match arrayToMatchMutable(final Object[] match) {
try {
return X_inv08_noType.Match.newMutableMatch((Income) match[POSITION_INC]);
} 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<X_inv08_noType.Matcher> querySpecification() {
return X_inv08_noType.instance();
}
}
private X_inv08_noType() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static X_inv08_noType instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected X_inv08_noType.Matcher instantiate(final ViatraQueryEngine engine) {
return X_inv08_noType.Matcher.on(engine);
}
@Override
public X_inv08_noType.Matcher instantiate() {
return X_inv08_noType.Matcher.create();
}
@Override
public X_inv08_noType.Match newEmptyMatch() {
return X_inv08_noType.Match.newEmptyMatch();
}
@Override
public X_inv08_noType.Match newMatch(final Object... parameters) {
return X_inv08_noType.Match.newMatch((Taxation.Income) parameters[0]);
}
/**
* Inner class allowing the singleton instance of {@link X_inv08_noType} to be created
* <b>not</b> at the class load time of the outer class,
* but rather at the first call to {@link X_inv08_noType#instance()}.
*
* <p> This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private static final X_inv08_noType INSTANCE = new X_inv08_noType();
/**
* 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_inv08_noType.GeneratedPQuery INSTANCE = new GeneratedPQuery();
private final PParameter parameter_inc = new PParameter("inc", "Taxation.Income", new EClassTransitiveInstancesKey((EClass)getClassifierLiteralSafe("http:///TaxCard.ecore", "Income")), PParameterDirection.INOUT);
private final List<PParameter> parameters = Arrays.asList(parameter_inc);
private GeneratedPQuery() {
super(PVisibility.PUBLIC);
}
@Override
public String getFullyQualifiedName() {
return "queries.x_inv08_noType";
}
@Override
public List<String> getParameterNames() {
return Arrays.asList("inc");
}
@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_inc = body.getOrCreateVariableByName("inc");
PVariable var___0_ = body.getOrCreateVariableByName("_<0>");
new TypeConstraint(body, Tuples.flatTupleOf(var_inc), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income")));
body.setSymbolicParameters(Arrays.<ExportedParameter>asList(
new ExportedParameter(body, var_inc, parameter_inc)
));
// Income.income_type(inc, _)
new TypeConstraint(body, Tuples.flatTupleOf(var_inc), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income")));
PVariable var__virtual_0_ = body.getOrCreateVariableByName(".virtual{0}");
new TypeConstraint(body, Tuples.flatTupleOf(var_inc, var__virtual_0_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income", "income_type")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income_Type")));
new Equality(body, var__virtual_0_, var___0_);
bodies.add(body);
}
return bodies;
}
}
}
|