Package org.drools.core.rule.constraint

Examples of org.drools.core.rule.constraint.EvaluatorConstraint

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                }
            }

            for ( Constraint constr : pattern.getConstraints() ) {
                if ( constr instanceof EvaluatorConstraint && ((EvaluatorConstraint) constr).isSelf() ) {
                    EvaluatorConstraint ec = ((EvaluatorConstraint) constr );
                    if ( ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.ISA || ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.NOT_ISA ) {
                        listenedProperties.add( TraitableBean.TRAITSET_FIELD_NAME );
                    }
                }
            }
            pattern.setListenedProperties(listenedProperties);
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                }
            }

            for ( Constraint constr : pattern.getConstraints() ) {
                if ( constr instanceof EvaluatorConstraint && ((EvaluatorConstraint) constr).isSelf() ) {
                    EvaluatorConstraint ec = ((EvaluatorConstraint) constr );
                    if ( ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.ISA || ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.NOT_ISA ) {
                        listenedProperties.add( TraitableBean.TRAITSET_FIELD_NAME );
                    }
                }
            }
            pattern.setListenedProperties(listenedProperties);
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            }
        }

        for ( Constraint constr : pattern.getConstraints() ) {
            if ( constr instanceof EvaluatorConstraint && ((EvaluatorConstraint) constr).isSelf() ) {
                EvaluatorConstraint ec = ((EvaluatorConstraint) constr );
                if ( ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.ISA || ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.NOT_ISA ) {
                    listenedProperties.add( TraitableBean.TRAITSET_FIELD_NAME );
                }
            }
        }
        pattern.setListenedProperties(listenedProperties);
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                                                      operatorDescr.getOperator(),
                                                      relDescr.isNegated(),
                                                      relDescr.getParametersText(),
                                                      left,
                                                      right );
            return new EvaluatorConstraint(new Declaration[] { requiredDeclaration }, evaluator, extractor);
        }

        boolean isUnification = requiredDeclaration != null && requiredDeclaration.getPattern().getObjectType().equals( new ClassObjectType( DroolsQuery.class ) ) && Operator.EQUAL.getOperatorString().equals( operatorDescr.getOperator() );
        if (isUnification) {
            expression = resolveUnificationAmbiguity(expression, declarations, leftValue, rightValue);
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                                                           restrictionDescr,
                                                           null,
                                                           e.getMessage() ) );
                }
            }
            return new EvaluatorConstraint(field, evaluator, extractor);
        }

        String mvelExpr = normalizeMVELLiteralExpression(vtype, field, expression, leftValue, operator, rightValue, restrictionDescr);
        IndexUtil.ConstraintType constraintType = IndexUtil.ConstraintType.decode(operator);
        MVELCompilationUnit compilationUnit = buildCompilationUnit(context, pattern, mvelExpr, null);
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        ClassObjectType ot = new ClassObjectType(StockTick.class, true);
       
        Pattern a = new Pattern( 0, ot, "$a" );
        Pattern b = new Pattern( 1, ot, "$b" );

        b.addConstraint( new EvaluatorConstraint( new Declaration[] { a.getDeclaration() },
                                                  evals.getEvaluator( ValueType.OBJECT_TYPE,
                                                                      AfterEvaluatorDefinition.AFTER,
                                                                      "-2,2"),
                                                  new SelfReferenceClassFieldReader( StockTick.class, "this" ) ) );

        Pattern c = new Pattern( 2, ot, "$c" );
        c.addConstraint( new EvaluatorConstraint( new Declaration[] { a.getDeclaration() },
                                                  evals.getEvaluator( ValueType.OBJECT_TYPE,
                                                                      AfterEvaluatorDefinition.AFTER,
                                                                      "-3,4"),
                                                  new SelfReferenceClassFieldReader( StockTick.class, "this" ) ) );

        Pattern d = new Pattern( 3, ot, "$d" );
        d.addConstraint( new EvaluatorConstraint( new Declaration[] { b.getDeclaration() },
                                                  evals.getEvaluator( ValueType.OBJECT_TYPE,
                                                                      AfterEvaluatorDefinition.AFTER,
                                                                      "1,2"),
                                                  new SelfReferenceClassFieldReader( StockTick.class, "this" ) ) );

        d.addConstraint( new EvaluatorConstraint( new Declaration[] { c.getDeclaration() },
                                                  evals.getEvaluator( ValueType.OBJECT_TYPE,
                                                                      AfterEvaluatorDefinition.AFTER,
                                                                      "2,3"),
                                                  new SelfReferenceClassFieldReader( StockTick.class, "this" ) ) );

        Pattern e = new Pattern( 4, ot, "$e" );
        e.addConstraint(new EvaluatorConstraint(new Declaration[]{d.getDeclaration()},
                evals.getEvaluator(ValueType.OBJECT_TYPE,
                        AfterEvaluatorDefinition.AFTER,
                        "1,10"),
                new SelfReferenceClassFieldReader(StockTick.class, "this")));
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                }
            }

            for ( Constraint constr : pattern.getConstraints() ) {
                if ( constr instanceof EvaluatorConstraint && ((EvaluatorConstraint) constr).isSelf() ) {
                    EvaluatorConstraint ec = ((EvaluatorConstraint) constr );
                    if ( ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.ISA || ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.NOT_ISA ) {
                        listenedProperties.add( TraitableBean.TRAITSET_FIELD_NAME );
                    }
                }
            }
            pattern.setListenedProperties(listenedProperties);
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                                                      operatorDescr.getOperator(),
                                                      relDescr.isNegated(),
                                                      relDescr.getParametersText(),
                                                      left,
                                                      right );
            return new EvaluatorConstraint(new Declaration[] { requiredDeclaration }, evaluator, extractor);
        }

        boolean isUnification = requiredDeclaration != null && requiredDeclaration.getPattern().getObjectType().equals( new ClassObjectType( DroolsQuery.class ) ) && Operator.EQUAL.getOperatorString().equals( operatorDescr.getOperator() );
        if (isUnification) {
            expression = resolveUnificationAmbiguity(expression, declarations, leftValue, rightValue);
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                                                           restrictionDescr,
                                                           null,
                                                           e.getMessage() ) );
                }
            }
            return new EvaluatorConstraint(field, evaluator, extractor);
        }

        String mvelExpr = normalizeMVELLiteralExpression(vtype, field, expression, leftValue, operator, rightValue, restrictionDescr);
        IndexUtil.ConstraintType constraintType = IndexUtil.ConstraintType.decode(operator);
        MVELCompilationUnit compilationUnit = buildCompilationUnit(context, pattern, mvelExpr, null);
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                }
            }

            for ( Constraint constr : pattern.getConstraints() ) {
                if ( constr instanceof EvaluatorConstraint && ((EvaluatorConstraint) constr).isSelf() ) {
                    EvaluatorConstraint ec = ((EvaluatorConstraint) constr );
                    if ( ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.ISA || ec.getEvaluator().getOperator() == IsAEvaluatorDefinition.NOT_ISA ) {
                        listenedProperties.add( TraitableBean.TRAITSET_FIELD_NAME );
                    }
                }
            }
            pattern.setListenedProperties(listenedProperties);
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Related Classes of org.drools.core.rule.constraint.EvaluatorConstraint

  • org.drools.compiler.rule.builder.MVELConstraintBuilder
  • org.drools.compiler.rule.builder.PatternBuilder
  • org.drools.core.reteoo.builder.BuildUtilsTest
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