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
|
/**
* Generated from platform:/resource/case.study.a.queries/src/queries/case_study_A.vql
*/
package queries;
import Taxation.Income;
import com.google.common.base.Objects;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.List;
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.emf.ecore.EDataType;
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.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.annotations.PAnnotation;
import org.eclipse.viatra.query.runtime.matchers.psystem.annotations.ParameterReference;
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.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>
* //inv7-OrderedSet
* {@literal @}Constraint(message = "inv07", severity = "error", key = {inc})
* pattern inv07(inc : Income) {
* Income.details.distance(inc, d1);
* Income.details.distance(inc, d2);
* check(d1 != d2);//compare values
* }
* </pre></code>
*
* @see Matcher
* @see Match
*
*/
@SuppressWarnings("all")
public final class Inv07 extends BaseGeneratedEMFQuerySpecification<Inv07.Matcher> {
/**
* Pattern-specific match representation of the queries.inv07 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 {
}
/**
* Generated pattern matcher API of the queries.inv07 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>
* //inv7-OrderedSet
* {@literal @}Constraint(message = "inv07", severity = "error", key = {inc})
* pattern inv07(inc : Income) {
* Income.details.distance(inc, d1);
* Income.details.distance(inc, d2);
* check(d1 != d2);//compare values
* }
* </pre></code>
*
* @see Match
* @see Inv07
*
*/
public static class Matcher extends BaseMatcher<Inv07.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 Inv07.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 Inv07.Matcher create() {
return new Matcher();
}
private static final int POSITION_INC = 0;
private static final Logger LOGGER = ViatraQueryLoggingUtil.getLogger(Inv07.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<Inv07.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<Inv07.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<Inv07.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 Inv07.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 Inv07.Match newMatch(final Income pInc) {
return Inv07.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 Inv07.Match tupleToMatch(final Tuple t) {
try {
return Inv07.Match.newMatch((Income) t.get(POSITION_INC));
} catch(ClassCastException e) {
LOGGER.error("Element(s) in tuple not properly typed!",e);
return null;
}
}
@Override
protected Inv07.Match arrayToMatch(final Object[] match) {
try {
return Inv07.Match.newMatch((Income) match[POSITION_INC]);
} catch(ClassCastException e) {
LOGGER.error("Element(s) in array not properly typed!",e);
return null;
}
}
@Override
protected Inv07.Match arrayToMatchMutable(final Object[] match) {
try {
return Inv07.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<Inv07.Matcher> querySpecification() {
return Inv07.instance();
}
}
private Inv07() {
super(GeneratedPQuery.INSTANCE);
}
/**
* @return the singleton instance of the query specification
* @throws ViatraQueryRuntimeException if the pattern definition could not be loaded
*
*/
public static Inv07 instance() {
try{
return LazyHolder.INSTANCE;
} catch (ExceptionInInitializerError err) {
throw processInitializerError(err);
}
}
@Override
protected Inv07.Matcher instantiate(final ViatraQueryEngine engine) {
return Inv07.Matcher.on(engine);
}
@Override
public Inv07.Matcher instantiate() {
return Inv07.Matcher.create();
}
@Override
public Inv07.Match newEmptyMatch() {
return Inv07.Match.newEmptyMatch();
}
@Override
public Inv07.Match newMatch(final Object... parameters) {
return Inv07.Match.newMatch((Taxation.Income) parameters[0]);
}
/**
* Inner class allowing the singleton instance of {@link Inv07} to be created
* <b>not</b> at the class load time of the outer class,
* but rather at the first call to {@link Inv07#instance()}.
*
* <p> This workaround is required e.g. to support recursion.
*
*/
private static class LazyHolder {
private static final Inv07 INSTANCE = new Inv07();
/**
* 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 Inv07.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.inv07";
}
@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_d1 = body.getOrCreateVariableByName("d1");
PVariable var_d2 = body.getOrCreateVariableByName("d2");
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.details.distance(inc, d1)
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", "details")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_0_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income_Detail")));
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_Detail", "distance")));
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_d1);
// Income.details.distance(inc, d2)
new TypeConstraint(body, Tuples.flatTupleOf(var_inc), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income")));
PVariable var__virtual_2_ = body.getOrCreateVariableByName(".virtual{2}");
new TypeConstraint(body, Tuples.flatTupleOf(var_inc, var__virtual_2_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income", "details")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_), new EClassTransitiveInstancesKey((EClass)getClassifierLiteral("http:///TaxCard.ecore", "Income_Detail")));
PVariable var__virtual_3_ = body.getOrCreateVariableByName(".virtual{3}");
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_2_, var__virtual_3_), new EStructuralFeatureInstancesKey(getFeatureLiteral("http:///TaxCard.ecore", "Income_Detail", "distance")));
new TypeConstraint(body, Tuples.flatTupleOf(var__virtual_3_), new EDataTypeInSlotsKey((EDataType)getClassifierLiteral("http://www.eclipse.org/emf/2002/Ecore", "EDouble")));
new Equality(body, var__virtual_3_, var_d2);
// check(d1 != d2)
new ExpressionEvaluation(body, new IExpressionEvaluator() {
@Override
public String getShortDescription() {
return "Expression evaluation from pattern inv07";
}
@Override
public Iterable<String> getInputParameterNames() {
return Arrays.asList("d1", "d2");}
@Override
public Object evaluateExpression(IValueProvider provider) throws Exception {
Double d1 = (Double) provider.getValue("d1");
Double d2 = (Double) provider.getValue("d2");
return evaluateExpression_1_1(d1, d2);
}
}, null);
bodies.add(body);
}
{
PAnnotation annotation = new PAnnotation("Constraint");
annotation.addAttribute("message", "inv07");
annotation.addAttribute("severity", "error");
annotation.addAttribute("key", Arrays.asList(new Object[] {
new ParameterReference("inc")
}));
addAnnotation(annotation);
}
return bodies;
}
}
private static boolean evaluateExpression_1_1(final Double d1, final Double d2) {
boolean _notEquals = (!Objects.equal(d1, d2));
return _notEquals;
}
}
|