Package org.drools.core.rule.constraint

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

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     * @return evaluator string
     */
    public String getEvaluator() {
        AlphaNodeFieldConstraint constraint = this.node.getConstraint();
        if (constraint instanceof MvelConstraint) {
          MvelConstraint mvelConstraint = (MvelConstraint) constraint;
            return mvelConstraint.toString();
        }
        return null;
    }
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     * @return field string
     */
    public String getValue() {
        AlphaNodeFieldConstraint constraint = this.node.getConstraint();
        if (constraint instanceof MvelConstraint) {
          MvelConstraint mvelConstraint = (MvelConstraint) constraint;
            return mvelConstraint.getField().toString();
        }
        return null;
    }
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        final ClassFieldReader extractor = store.getReader(Cheese.class,
                                                           "type",
                                                           getClass().getClassLoader());

        final MvelConstraint constraint = new MvelConstraintTestUtil("type == \"stilton\"",
                                                                     FieldFactory.getInstance().getFieldValue("stilton"),
                                                                     extractor);

        final List list = new ArrayList();
        final Cheese cheese1 = new Cheese("cheddar",
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        final Declaration declaration = new Declaration( "age",
                                                         ageExtractor,
                                                         pattern );

        MvelConstraint variableConstraint = new MvelConstraintTestUtil("price == age", declaration, priceExtractor);

        final RuleBaseConfiguration configuration = new RuleBaseConfiguration();
        configuration.setIndexRightBetaMemory( false );
        configuration.setIndexLeftBetaMemory( false );
        final BetaConstraints betaConstraints = new SingleBetaConstraints( variableConstraint,
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        final StatefulKnowledgeSessionImpl workingMemory = new StatefulKnowledgeSessionImpl( 1, (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase() );
        final ClassFieldReader extractor = store.getReader( Cheese.class,
                                                            "type",
                                                            getClass().getClassLoader() );

        final MvelConstraint constraint = new MvelConstraintTestUtil( "type == \"stilton\"",
                                                                      FieldFactory.getInstance().getFieldValue("stilton"),
                                                                      extractor );

        final List list = new ArrayList();
        final Cheese cheese1 = new Cheese( "stilton",
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        final Rule rule = pkgBuilder.getPackages()[0].getRule( "Test Rule" );
        final GroupElement and = rule.getLhs();
        final Pattern pat = (Pattern) and.getChildren().get( 0 );
        if (pat.getConstraints().get(0) instanceof MvelConstraint) {
            final MvelConstraint fc = (MvelConstraint) pat.getConstraints().get( 0 );
            assertTrue( "Wrong class. Expected java.math.BigDecimal. Found: " + fc.getField().getValue().getClass(),
                        fc.getField().getValue() instanceof BigDecimal );
        }
    }
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        final Rule rule = pkgBuilder.getPackages()[0].getRule( "Test Rule" );
        final GroupElement and = rule.getLhs();
        final Pattern pat = (Pattern) and.getChildren().get( 0 );
        if (pat.getConstraints().get(0) instanceof MvelConstraint) {
            final MvelConstraint fc = (MvelConstraint) pat.getConstraints().get( 0 );
            assertTrue( "Wrong class. Expected java.math.BigInteger. Found: " + fc.getField().getValue().getClass(),
                        fc.getField().getValue() instanceof BigInteger );
        }
    }
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        if (isUnification) {
            expression = resolveUnificationAmbiguity(expression, declarations, leftValue, rightValue);
        }
        IndexUtil.ConstraintType constraintType = IndexUtil.ConstraintType.decode(operatorDescr.getOperator());
        MVELCompilationUnit compilationUnit = isUnification ? null : buildCompilationUnit(context, pattern, expression, null);
        return new MvelConstraint(context.getPkg().getName(), expression, declarations, compilationUnit, constraintType, requiredDeclaration, extractor, isUnification);
    }
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        MVELCompilationUnit compilationUnit = isUnification ? null : buildCompilationUnit(context, pattern, expression, null);
        return new MvelConstraint(context.getPkg().getName(), expression, declarations, compilationUnit, constraintType, requiredDeclaration, extractor, isUnification);
    }

    public Constraint buildMvelConstraint(String packageName, String expression, Declaration[] declarations, MVELCompilationUnit compilationUnit, boolean isDynamic) {
        return new MvelConstraint( packageName, expression, declarations, compilationUnit, isDynamic );
    }
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    public Constraint buildMvelConstraint(String packageName, String expression, Declaration[] declarations, MVELCompilationUnit compilationUnit, boolean isDynamic) {
        return new MvelConstraint( packageName, expression, declarations, compilationUnit, isDynamic );
    }

    public Constraint buildMvelConstraint(String packageName, String expression, Declaration[] declarations, MVELCompilationUnit compilationUnit, boolean isDynamic, PredicateDescr base ) {
        return new MvelConstraint( packageName, expression, declarations, compilationUnit, isDynamic );
    }
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Related Classes of org.drools.core.rule.constraint.MvelConstraint

  • org.drools.compiler.rule.builder.dialect.java.RuleBuilderTest
  • org.drools.compiler.rule.builder.MVELConstraintBuilder
  • org.drools.core.base.DroolsQuery
  • org.drools.core.common.InternalRuleBase
  • org.drools.core.definitions.InternalKnowledgePackage
  • org.drools.core.event.knowledgebase.KnowledgeBaseEventSupportTest
  • org.drools.core.event.rule.AgendaEventSupportTest
  • org.drools.core.event.RuleBaseEventSupportTest
  • org.drools.core.impl.InternalKnowledgeBase
  • org.drools.core.reteoo.AlphaNodeTest
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