Package org.drools.rule.constraint

Examples of org.drools.rule.constraint.MvelConstraint

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

    public Constraint buildMvelConstraint(String packageName, String expression, Declaration[] declarations, MVELCompilationUnit compilationUnit, IndexUtil.ConstraintType constraintType, Declaration indexingDeclaration, InternalReadAccessor extractor, boolean isUnification) {
        return new MvelConstraint( packageName, expression, declarations, compilationUnit, constraintType, indexingDeclaration, extractor, isUnification );
    }
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        }

        String mvelExpr = normalizeMVELLiteralExpression(vtype, field, expression, leftValue, operator, rightValue, restrictionDescr);
        IndexUtil.ConstraintType constraintType = IndexUtil.ConstraintType.decode(operator);
        MVELCompilationUnit compilationUnit = buildCompilationUnit(context, pattern, mvelExpr, null);
        return new MvelConstraint(context.getPkg().getName(), mvelExpr, compilationUnit, constraintType, field, extractor);
    }
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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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                                                                           (ReteooRuleBase) RuleBaseFactory.newRuleBase() );
        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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                "type",
                getClass().getClassLoader());

        final FieldValue field = FieldFactory.getInstance().getFieldValue( "cheddar" );

        final MvelConstraint constraint = new MvelConstraintTestUtil("type == \"cheddar\"", field, extractor);

        pattern.addConstraint( constraint );
        rule1.addPattern( pattern );

        rule1.setConsequence( new Consequence() {
            private static final long serialVersionUID = 510l;

            public void evaluate(final KnowledgeHelper knowledgeHelper,
                                 final WorkingMemory workingMemory) throws Exception {
            }

            public void readExternal(ObjectInput in) throws IOException,
                                                    ClassNotFoundException {

            }

            public void writeExternal(ObjectOutput out) throws IOException {

            }
           
            public String getName() {
                return "default";
            }
        } );

        final Rule rule2 = new Rule( "test2" );
        final ClassObjectType cheeseObjectType2 = new ClassObjectType( Cheese.class );
        final Pattern pattern2 = new Pattern( 0,
                                              cheeseObjectType2 );

        final FieldValue field2 = FieldFactory.getInstance().getFieldValue( "stilton" );

        final MvelConstraint constraint2 = new MvelConstraintTestUtil("type == \"stilton\"", field, extractor);

        pattern2.addConstraint( constraint2 );
        rule2.addPattern( pattern2 );

        rule2.setConsequence( new Consequence() {
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                "type",
                getClass().getClassLoader());

        final FieldValue field = FieldFactory.getInstance().getFieldValue( "cheddar" );

        final MvelConstraint constraint = new MvelConstraintTestUtil("type == \"cheddar\"", field, extractor);

        pattern.addConstraint( constraint );
        rule.addPattern( pattern );

        rule.setConsequence( new Consequence() {
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Related Classes of org.drools.rule.constraint.MvelConstraint

  • org.drools.base.ClassObjectType
  • org.drools.base.DroolsQuery
  • org.drools.common.InternalFactHandle
  • org.drools.common.InternalRuleBase
  • org.drools.core.util.AbstractHashTable.FieldIndex
  • org.drools.core.util.index.IndexUtil
  • org.drools.core.util.index.IndexUtil$Factory$IndexSpec
  • org.drools.event.knowledgebase.KnowledgeBaseEventSupportTest
  • org.drools.event.rule.AgendaEventSupportTest
  • org.drools.event.RuleBaseEventSupportTest
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