Package org.drools.spi

Examples of org.drools.spi.InternalReadAccessor

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                                                          final String fieldName,
                                                          final boolean fieldValue,
                                                          final Evaluator evaluator) throws IntrospectionException {
        final Class clazz = ((ClassObjectType) pattern.getObjectType()).getClassType();

        final InternalReadAccessor extractor = store.getReader( clazz,
                                                                fieldName,
                                                                getClass().getClassLoader() );

        final FieldValue field = new BooleanFieldImpl( fieldValue );
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    private void setFieldDeclaration(final Pattern pattern,
                                     final String fieldName,
                                     final String identifier) throws IntrospectionException {
        final Class clazz = ((ClassObjectType) pattern.getObjectType()).getClassType();

        final InternalReadAccessor extractor = store.getReader( clazz,
                                                                fieldName,
                                                                getClass().getClassLoader() );

        pattern.addDeclaration( identifier ).setReadAccessor( extractor );
    }
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                                                               final String fieldName,
                                                               final Declaration declaration,
                                                               final Evaluator evaluator) throws IntrospectionException {
        final Class clazz = ((ClassObjectType) pattern.getObjectType()).getClassType();

        final InternalReadAccessor extractor = store.getReader( clazz,
                                                                fieldName,
                                                                getClass().getClassLoader() );

        return new VariableConstraint( extractor,
                                       declaration,
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                                                                       null,
                                                                       null );

        final MockObjectSource source = new MockObjectSource( buildContext.getNextId() );

        final InternalReadAccessor extractor = store.getReader( Cheese.class,
                                                                "type",
                                                                getClass().getClassLoader() );

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

        final MockObjectSource source = new MockObjectSource( buildContext.getNextId() );

        final InternalReadAccessor extractor = store.getReader( Cheese.class,
                                                                "type",
                                                                getClass().getClassLoader() );

        final FieldValue field = FieldFactory.getFieldValue( "cheddar" );
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        final FieldTemplate[] fields = new FieldTemplate[]{cheeseName, cheesePrice};
        final FactTemplate cheese = new FactTemplateImpl( pkg,
                                                          "Cheese",
                                                          fields );

        final InternalReadAccessor extractName = new FactTemplateFieldExtractor( cheese,
                                                                      0 );
        final InternalReadAccessor extractPrice = new FactTemplateFieldExtractor( cheese,
                                                                       1 );

        final Fact stilton = cheese.createFact( 10 );
        stilton.setFieldValue( "name",
                               "stilton" );
        stilton.setFieldValue( "price",
                               new Integer( 200 ) );

        assertEquals( "stilton",
                      extractName.getValue( null, stilton ) );

        assertEquals( new Integer( 200 ),
                      extractPrice.getValue( null, stilton ) );

        assertFalse( extractName.isNullValue( null, stilton ) );
       
        stilton.setFieldValue( "name",
                               null );
       
        assertTrue( extractName.isNullValue( null, stilton ) );
        assertFalse( extractPrice.isNullValue( null, stilton ) );
       
        final Fact brie = cheese.createFact( 12 );
        brie.setFieldValue( "name",
                            "brie" );
        brie.setFieldValue( "price",
                            new Integer( 55 ) );

        assertEquals( "brie",
                      extractName.getValue( null, brie ) );

        assertEquals( new Integer( 55 ),
                      extractPrice.getValue( null, brie ) );
       
        assertFalse( extractName.isNullValue( null, brie ) );
       
        brie.setFieldValue( "name",
                            null );
       
        assertTrue( extractName.isNullValue( null, brie ) );
        assertFalse( extractPrice.isNullValue( null, stilton ) );
    }
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        final FieldTemplate[] fields = new FieldTemplate[]{cheeseName, cheesePrice};
        final FactTemplate cheese = new FactTemplateImpl( pkg,
                                                          "Cheese",
                                                          fields );

        final InternalReadAccessor extractName = new FactTemplateFieldExtractor( cheese,
                                                                      0 );

        final Pattern pattern = new Pattern( 0,
                                          new FactTemplateObjectType( cheese ) );
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     */
    public void testPredicateConstraint() throws IntrospectionException {
        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory workingMemory = (InternalWorkingMemory) ruleBase.newStatefulSession();

        final InternalReadAccessor priceExtractor = store.getReader( Cheese.class,
                                                                     "price",
                                                                     getClass().getClassLoader() );

        Pattern pattern = new Pattern( 0,
                                       new ClassObjectType( Cheese.class ) );
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     */
    public void testReturnValueConstraint() throws IntrospectionException {
        final ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase();
        final InternalWorkingMemory workingMemory = (InternalWorkingMemory) ruleBase.newStatefulSession();

        final InternalReadAccessor priceExtractor = store.getReader( Cheese.class,
                                                                     "price",
                                                                     getClass().getClassLoader() );

        final Pattern pattern = new Pattern( 0,
                                             new ClassObjectType( Cheese.class ) );
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        final ObjectType type = new ClassObjectType( Cheese.class );
        final Pattern col = new Pattern( 0,
                                       type,
                                       "foo" );
        final Declaration dec = col.getDeclaration();
        final InternalReadAccessor ext = dec.getExtractor();
        assertEquals( Cheese.class,
                      ext.getExtractToClass() );

        final Cheese stilton = new Cheese( "stilton",
                                           42 );

        assertEquals( stilton,
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Related Classes of org.drools.spi.InternalReadAccessor

  • org.drools.base.BaseClassFieldAccessorFactoryTest
  • org.drools.base.ClassFieldAccessorStore
  • org.drools.base.EvaluatorFactoryTest
  • org.drools.base.extractors.MVELClassFieldExtractorTest
  • org.drools.base.extractors.MVELClassFieldReader
  • org.drools.base.extractors.ObjectClassFieldExtractorTest
  • org.drools.base.TemporalEvaluatorFactoryTest
  • org.drools.common.BaseBetaConstraintsTest
  • org.drools.compiler.PackageBuilder
  • org.drools.examples.manners.BaseMannersTest
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