Package org.drools.core.spi

Examples of org.drools.core.spi.Constraint

907
908
909
910
911
912
913
914
915
916
917
        LiteralRestrictionDescr restrictionDescr = buildLiteralRestrictionDescr(context, relDescr, value2, operator, isConstant);

        if (restrictionDescr != null) {
            FieldValue field = getFieldValue(context, vtype, restrictionDescr);
            if (field != null) {
                Constraint constraint = getConstraintBuilder( context ).buildLiteralConstraint(context, pattern, vtype, field, expr, value1, operator, value2, extractor, restrictionDescr);
                if (constraint != null) {
                    pattern.addConstraint(constraint);
                    return true;
                }
            }
View Full Code Here
1321
1322
1323
1324
1325
1326
1327
1328
1329
            boolean isDynamic = requiredOperators.length > 0 ||
                    ClassObjectType.Match_ObjectType.isAssignableFrom( pattern.getObjectType()) ||
                    (!((ClassObjectType)pattern.getObjectType()).getClassType().isArray() &&
                    !context.getKnowledgeBuilder().getTypeDeclaration(((ClassObjectType)pattern.getObjectType()).getClassType()).isTypesafe());

            Constraint constraint = getConstraintBuilder( context ).buildMvelConstraint( context.getPkg().getName(), expr, mvelDeclarations, compilationUnit, isDynamic );
            pattern.addConstraint( constraint );
        }
    }
View Full Code Here
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
        builder1.addPackage( packageDescr1 );
        if ( builder1.hasErrors() ) {
            fail( builder1.getErrors().toString() );
        }
        final Pattern pattern1 = (Pattern) ((RuleImpl)builder1.getPackage().getRules().iterator().next()).getLhs().getChildren().get( 0 );
        final Constraint returnValue1 = pattern1.getConstraints().get( 0 );

        final KnowledgeBuilderImpl builder2 = new KnowledgeBuilderImpl();
        final PackageDescr packageDescr2 = new PackageDescr( "package2" );
        createReturnValueRule( packageDescr2,
                               " x + y " );
        builder2.addPackage( packageDescr2 );
        final Pattern pattern2 = (Pattern) ((RuleImpl)builder2.getPackage().getRules().iterator().next()).getLhs().getChildren().get( 0 );
        final Constraint returnValue2 = pattern2.getConstraints().get( 0 );

        final KnowledgeBuilderImpl builder3 = new KnowledgeBuilderImpl();
        final PackageDescr packageDescr3 = new PackageDescr( "package3" );
        createReturnValueRule( packageDescr3,
                               " x - y " );
        builder3.addPackage( packageDescr3 );
        final Pattern pattern3 = (Pattern) ((RuleImpl)builder3.getPackage().getRules().iterator().next()).getLhs().getChildren().get( 0 );
        final Constraint returnValue3 = pattern3.getConstraints().get( 0 );

        assertEquals( returnValue1,
                      returnValue2 );
        assertFalse( returnValue1.equals( returnValue3 ) );
        assertFalse( returnValue2.equals( returnValue3 ) );
View Full Code Here
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
                addedDeclaration.setBindingName( decl.getBindingName() );
            }
        }

        for ( Constraint oldConstr : this.constraints ) {
            Constraint clonedConstr = oldConstr.clone();

            // we must update pattern references in cloned declarations
            Declaration[] oldDecl = oldConstr.getRequiredDeclarations();
            Declaration[] newDecl = clonedConstr.getRequiredDeclarations();
            for ( int i = 0; i < newDecl.length; i++ ) {
                if ( newDecl[i].getPattern() == this ) {
                    newDecl[i].setPattern( clone );
                    // we still need to call replace because there might be nested declarations to replace
                    clonedConstr.replaceDeclaration( oldDecl[i],
                                                     newDecl[i] );
                }
            }

            clone.addConstraint(clonedConstr);
View Full Code Here
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
            }
            for (Constraint next : pattern.getConstraints()) {
                if (next instanceof Declaration) {
                    continue;
                }
                Constraint constraint = (Constraint) next;
                Declaration[] decl = constraint.getRequiredDeclarations();
                for (int i = 0; i < decl.length; i++) {
                    Declaration resolved = resolver.getDeclaration(null,
                                                                   decl[i].getIdentifier());

                    if (constraint instanceof MvelConstraint && ((MvelConstraint) constraint).isUnification()) {
                        if (ClassObjectType.DroolsQuery_ObjectType.isAssignableFrom(resolved.getPattern().getObjectType())) {
                            Declaration redeclaredDeclr = new Declaration(resolved.getIdentifier(), ((MvelConstraint) constraint).getFieldExtractor(), pattern, false);
                            pattern.addDeclaration(redeclaredDeclr);
                        } else if ( resolved.getPattern() != pattern ) {
                            ((MvelConstraint) constraint).unsetUnification();
                        }
                    }

                    if (resolved != null && resolved != decl[i] && resolved.getPattern() != pattern) {
                        constraint.replaceDeclaration(decl[i],
                                                      resolved);
                    } else if (resolved == null) {
                        // it is probably an implicit declaration, so find the corresponding pattern
                        Pattern old = decl[i].getPattern();
                        Pattern current = resolver.findPatternByIndex(old.getIndex());
                        if (current != null && old != current) {
                            resolved = new Declaration(decl[i].getIdentifier(), decl[i].getExtractor(),
                                                       current);
                            constraint.replaceDeclaration(decl[i], resolved);
                        }
                    }
                }
            }
        } else if ( element instanceof EvalCondition ) {
View Full Code Here
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
            if ( object instanceof Declaration ) {
                // nothing to be done
                continue;
            }

            final Constraint constraint = (Constraint) object;
            if ( constraint.getType().equals( Constraint.ConstraintType.ALPHA ) ) {
                linkAlphaConstraint( (AlphaNodeFieldConstraint) constraint, alphaConstraints );
            } else if ( constraint.getType().equals( Constraint.ConstraintType.BETA ) ) {
                linkBetaConstraint( (BetaNodeFieldConstraint) constraint, betaConstraints );
                if ( isNegative && context.getKnowledgeBase().getConfiguration().getEventProcessingMode() == EventProcessingOption.STREAM && pattern.getObjectType().isEvent() && constraint.isTemporal() ) {
                    checkDelaying( context,
                            constraint );
                }
            } else {
                throw new RuntimeException( "Unknown constraint type: " + constraint.getType() + ". This is a bug. Please contact development team." );
            }

        }
    }
View Full Code Here
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
            }
            for (Constraint next : pattern.getConstraints()) {
                if (next instanceof Declaration) {
                    continue;
                }
                Constraint constraint = (Constraint) next;
                Declaration[] decl = constraint.getRequiredDeclarations();
                for (int i = 0; i < decl.length; i++) {
                    Declaration resolved = resolver.getDeclaration(null,
                                                                   decl[i].getIdentifier());

                    if (constraint instanceof MvelConstraint && ((MvelConstraint) constraint).isUnification()) {
                        if (ClassObjectType.DroolsQuery_ObjectType.isAssignableFrom(resolved.getPattern().getObjectType())) {
                            Declaration redeclaredDeclr = new Declaration(resolved.getIdentifier(), ((MvelConstraint) constraint).getFieldExtractor(), pattern, false);
                            pattern.addDeclaration(redeclaredDeclr);
                        } else if ( resolved.getPattern() != pattern ) {
                            ((MvelConstraint) constraint).unsetUnification();
                        }
                    }

                    if (resolved != null && resolved != decl[i] && resolved.getPattern() != pattern) {
                        constraint.replaceDeclaration(decl[i],
                                                      resolved);
                    } else if (resolved == null) {
                        // it is probably an implicit declaration, so find the corresponding pattern
                        Pattern old = decl[i].getPattern();
                        Pattern current = resolver.findPatternByIndex(old.getIndex());
                        if (current != null && old != current) {
                            resolved = new Declaration(decl[i].getIdentifier(), decl[i].getExtractor(),
                                                       current);
                            constraint.replaceDeclaration(decl[i], resolved);
                        }
                    }
                }
            }
        } else if ( element instanceof EvalCondition ) {
View Full Code Here
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
        builder1.addPackage( packageDescr1 );
        if ( builder1.hasErrors() ) {
            fail( builder1.getErrors().toString() );
        }
        final Pattern pattern1 = (Pattern) ((RuleImpl)builder1.getPackage().getRules().iterator().next()).getLhs().getChildren().get( 0 );
        final Constraint returnValue1 = pattern1.getConstraints().get( 0 );

        final KnowledgeBuilderImpl builder2 = new KnowledgeBuilderImpl();
        final PackageDescr packageDescr2 = new PackageDescr( "package2" );
        createReturnValueRule( packageDescr2,
                               " x + y " );
        builder2.addPackage( packageDescr2 );
        final Pattern pattern2 = (Pattern) ((RuleImpl)builder2.getPackage().getRules().iterator().next()).getLhs().getChildren().get( 0 );
        final Constraint returnValue2 = pattern2.getConstraints().get( 0 );

        final KnowledgeBuilderImpl builder3 = new KnowledgeBuilderImpl();
        final PackageDescr packageDescr3 = new PackageDescr( "package3" );
        createReturnValueRule( packageDescr3,
                               " x - y " );
        builder3.addPackage( packageDescr3 );
        final Pattern pattern3 = (Pattern) ((RuleImpl)builder3.getPackage().getRules().iterator().next()).getLhs().getChildren().get( 0 );
        final Constraint returnValue3 = pattern3.getConstraints().get( 0 );

        assertEquals( returnValue1,
                      returnValue2 );
        assertFalse( returnValue1.equals( returnValue3 ) );
        assertFalse( returnValue2.equals( returnValue3 ) );
View Full Code Here
533
534
535
536
537
538
539
540
541
542
543
        }

        String expression = expressionBuilder.toString();
        MVELCompilationUnit compilationUnit = getConstraintBuilder( context ).buildCompilationUnit(context, pattern, expression, mvelCtx.getAliases());

        Constraint combinedConstraint = getConstraintBuilder( context ).buildMvelConstraint( packageName,
                                                                                             expression,
                                                                                             declarations.toArray(new Declaration[declarations.size()]),
                                                                                             compilationUnit,
                                                                                             IndexUtil.ConstraintType.UNKNOWN,
                                                                                             null, null, false );
View Full Code Here
765
766
767
768
769
770
771
772
773
774
775
        LiteralRestrictionDescr restrictionDescr = buildLiteralRestrictionDescr(context, relDescr, value2, operator, isConstant);

        if (restrictionDescr != null) {
            FieldValue field = getFieldValue(context, vtype, restrictionDescr);
            if (field != null) {
                Constraint constraint = getConstraintBuilder( context ).buildLiteralConstraint(context, pattern, vtype, field, expr, value1, operator, value2, extractor, restrictionDescr);
                if (constraint != null) {
                    pattern.addConstraint(constraint);
                    return true;
                }
            }
View Full Code Here
TOP

Related Classes of org.drools.core.spi.Constraint

  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.rule.builder.dialect.java.JavaDialectBinaryEqualityTest
  • org.drools.compiler.rule.builder.PatternBuilder
  • org.drools.core.reteoo.builder.PatternBuilder
  • org.drools.core.rule.LogicTransformer
  • org.drools.core.rule.Pattern
  • org.drools.eclipse.editors.rete.model.VertexPropertySource
  • org.drools.template.parser.DefaultTemplateRuleBaseTest
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.