Examples of org.drools.base.ClassFieldExtractor

org.drools.base.ClassFieldExtractor
This provides access to fields, and what their numerical index/object type is. This is basically a wrapper class around dynamically generated subclasses of BaseClassFieldExtractor, which allows serialization by regenerating the accessor classes when needed. @author Michael Neale

        // check index type does not change, as this fact is removed
        stilton1.setType( "cheddar" );
    }


    public void testThreeEntries() {
        final ClassFieldExtractor extractor = cache.getExtractor( Cheese.class,
                                                                  "type",
                                                                  getClass().getClassLoader() );
        final FieldIndex fieldIndex = new FieldIndex( extractor,
                                                      null,
                                                      StringFactory.getInstance().getEvaluator( Operator.EQUAL ) );

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        rule.setAgendaGroup( "test group" );
        final ClassObjectType cheeseObjectType = new ClassObjectType( Cheese.class );
        final Pattern pattern = new Pattern( 0,
                                             cheeseObjectType );


        final ClassFieldExtractor extractor = ClassFieldExtractorCache.getInstance().getExtractor( Cheese.class,
                                                                                                   "type",
                                                                                                   getClass().getClassLoader() );


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

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     */
    public void testLiteralConstraint() throws IntrospectionException {
        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory workingMemory = (InternalWorkingMemory) ruleBase.newStatefulSession();


        final ClassFieldExtractor extractor = cache.getExtractor( Cheese.class,
                                                                  "type",
                                                                  getClass().getClassLoader() );


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

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     */
    public void testPrimitiveLiteralConstraint() throws IntrospectionException {
        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory workingMemory = (InternalWorkingMemory) ruleBase.newStatefulSession();


        final ClassFieldExtractor extractor = cache.getExtractor( Cheese.class,
                                                                  "price",
                                                                  getClass().getClassLoader() );


        final FieldValue field = FieldFactory.getFieldValue( 5 );

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     */
    public void testCompositeAndConstraint() {
        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory workingMemory = (InternalWorkingMemory) ruleBase.newStatefulSession();


        final ClassFieldExtractor extractor = cache.getExtractor( Cheese.class,
                                                                  "type",
                                                                  getClass().getClassLoader() );


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


        final Evaluator evaluator = ValueType.STRING_TYPE.getEvaluator( Operator.EQUAL );


        final LiteralConstraint constraint1 = new LiteralConstraint( extractor,
                                                                     evaluator,
                                                                     field );


        final ClassFieldExtractor priceExtractor = cache.getExtractor( Cheese.class,
                                                                       "price",
                                                                       getClass().getClassLoader() );


        final FieldValue priceField = FieldFactory.getFieldValue( 10 );

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     */
    public void testCompositeOrConstraint() {
        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory workingMemory = (InternalWorkingMemory) ruleBase.newStatefulSession();


        final ClassFieldExtractor extractor = cache.getExtractor( Cheese.class,
                                                                  "type",
                                                                  getClass().getClassLoader() );


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


        final Evaluator evaluator = ValueType.STRING_TYPE.getEvaluator( Operator.EQUAL );


        final LiteralConstraint constraint1 = new LiteralConstraint( extractor,
                                                                     evaluator,
                                                                     field );


        final ClassFieldExtractor priceExtractor = cache.getExtractor( Cheese.class,
                                                                       "price",
                                                                       getClass().getClassLoader() );


        final FieldValue priceField = FieldFactory.getFieldValue( 10 );

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     */
    public void testNestedCompositeConstraints() {
        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory workingMemory = (InternalWorkingMemory) ruleBase.newStatefulSession();


        final ClassFieldExtractor typeExtractor = cache.getExtractor( Cheese.class,
                                                                      "type",
                                                                      getClass().getClassLoader() );


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


        final Evaluator stringEqual = ValueType.STRING_TYPE.getEvaluator( Operator.EQUAL );


        // type == 'cheddar'
        final LiteralConstraint constraint1 = new LiteralConstraint( typeExtractor,
                                                                     stringEqual,
                                                                     cheddarField );


        final ClassFieldExtractor priceExtractor = cache.getExtractor( Cheese.class,
                                                                       "price",
                                                                       getClass().getClassLoader() );


        final FieldValue field10 = FieldFactory.getFieldValue( 10 );

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        final Rule rule1 = new Rule( "test1" );
        final ClassObjectType cheeseObjectType = new ClassObjectType( Cheese.class );
        final Pattern pattern = new Pattern( 0,
                                             cheeseObjectType );


        final ClassFieldExtractor extractor = ClassFieldExtractorCache.getInstance().getExtractor( Cheese.class,
                                                                                                   "type",
                                                                                                   getClass().getClassLoader() );


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

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                                                                       PropagationContext.ASSERTION,
                                                                       null,
                                                                       null );
        final ReteooWorkingMemory workingMemory = new ReteooWorkingMemory( 1,
                                                                           (ReteooRuleBase) RuleBaseFactory.newRuleBase() );
        final ClassFieldExtractor extractor = cache.getExtractor( Cheese.class,
                                                                  "type",
                                                                  getClass().getClassLoader() );


        final FieldValue field = FieldFactory.getFieldValue( "stilton" );
        final LiteralConstraint constraint = new LiteralConstraint( extractor,

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                                                                       null );


        final ReteooWorkingMemory workingMemory = new ReteooWorkingMemory( 1,
                                                                           (ReteooRuleBase) RuleBaseFactory.newRuleBase() );


        final ClassFieldExtractor priceExtractor = cache.getExtractor( Cheese.class,
                                                                       "price",
                                                                       getClass().getClassLoader() );


        final ClassFieldExtractor ageExtractor = cache.getExtractor( Person.class,
                                                                     "age",
                                                                     getClass().getClassLoader() );


        final Pattern pattern = new Pattern( 0,
                                             new ClassObjectType( Person.class ) );

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Related Classes of org.drools.base.ClassFieldExtractor

org.drools.common.DroolsObjectInputStream

org.drools.event.AgendaEventSupportTest

org.drools.event.RuleBaseEventListenerTest

org.drools.reteoo.AlphaNodeTest

org.drools.reteoo.FromNodeTest

org.drools.reteoo.QueryTerminalNodeTest

org.drools.rule.FieldConstraintTest

org.drools.util.FieldIndexEntryTest

org.drools.RuntimeDroolsException

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