Package org.drools.rule

Examples of org.drools.rule.LiteralConstraint

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                                                                  getClass().getClassLoader() );

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

        final Evaluator evaluator = ValueType.OBJECT_TYPE.getEvaluator( Operator.EQUAL );
        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                                    evaluator,
                                                                    field );

        // With Memory
        final AlphaNode alphaNode = new AlphaNode( buildContext.getNextId(),
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                                                                  getClass().getClassLoader() );

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

        final Evaluator evaluator = ValueType.OBJECT_TYPE.getEvaluator( Operator.EQUAL );
        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                                    evaluator,
                                                                    field );

        // With Memory
        final AlphaNode alphaNode = new AlphaNode( buildContext.getNextId(),
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                                                             getClass().getClassLoader() );

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

        final Evaluator evaluator = ValueType.OBJECT_TYPE.getEvaluator( Operator.EQUAL );
        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                                    evaluator,
                                                                    field );

        final AlphaNode alphaNode = new AlphaNode( buildContext.getNextId(),
                                                   constraint,
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                                                             getClass().getClassLoader() );

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

        final Evaluator evaluator = ValueType.OBJECT_TYPE.getEvaluator( Operator.EQUAL );
        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                                    evaluator,
                                                                    field );

        buildContext.setAlphaNodeMemoryAllowed( true );
        final AlphaNode alphaNode = new AlphaNode( buildContext.getNextId(),
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                                                             getClass().getClassLoader() );

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

        final Evaluator evaluator = ValueType.OBJECT_TYPE.getEvaluator( Operator.EQUAL );
        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                                    evaluator,
                                                                    field );

        final AlphaNode alphaNode = new AlphaNode( buildContext.getNextId(),
                                                   constraint,
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                                                             getClass().getClassLoader() );

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

        final Evaluator evaluator = ValueType.OBJECT_TYPE.getEvaluator( Operator.EQUAL );
        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                                    evaluator,
                                                                    field );

        buildContext.setAlphaNodeMemoryAllowed( true );
        final AlphaNode alphaNode = new AlphaNode( buildContext.getNextId(),
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                                                             getClass().getClassLoader() );

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

        final Evaluator evaluator = ValueType.OBJECT_TYPE.getEvaluator( Operator.EQUAL );
        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                                    evaluator,
                                                                    field );

        final AlphaNode alphaNode = new AlphaNode( buildContext.getNextId(),
                                                   constraint,
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        Constraint constraint = null;
        if ( restriction instanceof AbstractCompositeRestriction ) {
            constraint = new MultiRestrictionFieldConstraint( extractor,
                                                              restriction );
        } else if ( restriction instanceof LiteralRestriction ) {
            constraint = new LiteralConstraint( extractor,
                                                (LiteralRestriction) restriction );
            registerReadAccessor( context,
                                  pattern.getObjectType(),
                                  fieldName,
                                  (LiteralConstraint) constraint );
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    @Test
    public void testSingleAlpha() {

        final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
        final LiteralConstraint lit = new LiteralConstraint( new MockExtractor(),
                                                             equals.getEvaluator( ValueType.STRING_TYPE,
                                                                                  Operator.EQUAL ),
                                                             new ObjectFieldImpl( "stilton" ) );
        final AlphaNode al = new AlphaNode( buildContext.getNextId(),
                                            lit,
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    @Test
    public void testDoubleAlphaWithBeta() {

        final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
        final LiteralConstraint lit = new LiteralConstraint( new MockExtractor(),
                                                             equals.getEvaluator( ValueType.STRING_TYPE,
                                                                                  Operator.EQUAL ),
                                                             new ObjectFieldImpl( "stilton" ) );
        final AlphaNode al = new AlphaNode( buildContext.getNextId(),
                                            lit,
                                            new MockObjectSource( 0 ),
                                            buildContext );

        ad.addObjectSink( al );

        assertNull( ad.otherSinks );
        assertNotNull( ad.hashedFieldIndexes );
        assertEquals( 1,
                      ad.hashableSinks.size() );
        assertEquals( al,
                      ad.getSinks()[0] );

        final LiteralConstraint lit2 = new LiteralConstraint( new MockExtractor(),
                                                              equals.getEvaluator( ValueType.STRING_TYPE,
                                                                                   Operator.EQUAL ),
                                                              new ObjectFieldImpl( "cheddar" ) );
        final AlphaNode al2 = new AlphaNode( buildContext.getNextId(),
                                             lit2,
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Related Classes of org.drools.rule.LiteralConstraint

  • com.envoisolutions.sxc.drools.DroolsXPathEvaluatorFactory
  • org.drools.compiler.PackageBuilderTest
  • org.drools.decisiontable.parser.DefaultTemplateRuleBaseTest
  • org.drools.event.AgendaEventSupportTest
  • org.drools.event.knowledgebase.KnowledgeBaseEventSupportTest
  • org.drools.event.rule.AgendaEventSupportTest
  • org.drools.event.RuleBaseEventListenerTest
  • org.drools.event.RuleBaseEventSupportTest
  • org.drools.examples.manners.BaseMannersTest
  • org.drools.reteoo.AlphaNodeTest
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