Package org.drools.spi

Examples of org.drools.spi.FieldExtractor

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    }

    public void testPropagationWithNullValue() {

        final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
        FieldExtractor extractor = ClassFieldExtractorCache.getExtractor( Cheese.class,
                                                                          "type",
                                                                          this.getClass().getClassLoader() );
        final LiteralConstraint lit1 = new LiteralConstraint( extractor,
                                                              StringFactory.getInstance().getEvaluator( Operator.EQUAL ),
                                                              new ObjectFieldImpl( "stilton" ) );
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                if ( !fieldIndex.isHashed() ) {
                    continue;
                }
                // this field is hashed so set the existing hashKey and see if there is a sink for it
                final int index = fieldIndex.getIndex();
                final FieldExtractor extractor = fieldIndex.getFieldExtactor();
                HashKey hashKey = new HashKey( index,
                                               object,
                                               fieldIndex.getFieldExtractor() );
                final ObjectSink sink = (ObjectSink) this.hashedSinkMap.get( hashKey );
                if ( sink != null ) {
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    public Object getValue(InternalWorkingMemory workingMemory, Object object) {
        Map variables = new HashMap();
        for( Iterator it = this.extractors.entrySet().iterator(); it.hasNext(); ) {
            Map.Entry entry = (Map.Entry) it.next();
            String var = (String) entry.getKey();
            FieldExtractor extr = (FieldExtractor) entry.getValue();
           
            variables.put( var, extr.getValue( workingMemory, object ));
        }
        return MVEL.executeExpression( mvelExpression, variables );
    }
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                return;
            }
        }

        // if it is not a complex expression, just build a simple field constraint
        final FieldExtractor extractor = getFieldExtractor( context,
                                                            fieldConstraintDescr,
                                                            pattern.getObjectType(),
                                                            fieldName,
                                                            false );
        if ( extractor == null ) {
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                                                    null,
                                                    "Duplicate declaration for variable '" + fieldBindingDescr.getIdentifier() + "' in the rule '" + context.getRule().getName() + "'" ) );
            return;
        }

        final FieldExtractor extractor = getFieldExtractor( context,
                                                            fieldBindingDescr,
                                                            pattern.getObjectType(),
                                                            fieldBindingDescr.getFieldName(),
                                                            true );
        if ( extractor == null ) {
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                                                final String identifier,
                                                final Pattern pattern) {
        final FieldBindingDescr implicitBinding = new FieldBindingDescr( identifier,
                                                                         identifier );

        final FieldExtractor extractor = getFieldExtractor( context,
                                                            implicitBinding,
                                                            pattern.getObjectType(),
                                                            implicitBinding.getFieldName(),
                                                            false );
        if ( extractor == null ) {
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    private FieldExtractor getFieldExtractor(final RuleBuildContext context,
                                             final BaseDescr descr,
                                             final ObjectType objectType,
                                             final String fieldName,
                                             final boolean reportError) {
        FieldExtractor extractor = null;

        if ( objectType.getValueType() == ValueType.FACTTEMPLATE_TYPE ) {
            //@todo use extractor cache           
            final FactTemplate factTemplate = ((FactTemplateObjectType) objectType).getFactTemplate();
            extractor = new FactTemplateFieldExtractor( factTemplate,
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                return;
            }
        }

        // if it is not a complex expression, just build a simple field constraint
        final FieldExtractor extractor = getFieldExtractor( context,
                                                            fieldConstraintDescr,
                                                            pattern.getObjectType(),
                                                            fieldName,
                                                            false );
        if ( extractor == null ) {
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                                                    null,
                                                    "Duplicate declaration for variable '" + fieldBindingDescr.getIdentifier() + "' in the rule '" + context.getRule().getName() + "'" ) );
            return;
        }

        final FieldExtractor extractor = getFieldExtractor( context,
                                                            fieldBindingDescr,
                                                            pattern.getObjectType(),
                                                            fieldBindingDescr.getFieldName(),
                                                            true );
        if ( extractor == null ) {
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                                                final String identifier,
                                                final Pattern pattern) {
        final FieldBindingDescr implicitBinding = new FieldBindingDescr( identifier,
                                                                         identifier );

        final FieldExtractor extractor = getFieldExtractor( context,
                                                            implicitBinding,
                                                            pattern.getObjectType(),
                                                            implicitBinding.getFieldName(),
                                                            false );
        if ( extractor == null ) {
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Related Classes of org.drools.spi.FieldExtractor

  • org.drools.base.BaseClassFieldExtractorFactoryTest
  • org.drools.base.extractors.MVELClassFieldExtractor
  • org.drools.common.BaseBetaConstraintsTest
  • org.drools.examples.manners.BaseMannersTest
  • org.drools.reteoo.AlphaNodeTest
  • org.drools.reteoo.CompositeObjectSinkAdapter
  • org.drools.reteoo.CompositeObjectSinkAdapterTest
  • org.drools.rule.builder.dialect.mvel.MVELEvalBuilderTest
  • org.drools.rule.builder.dialect.mvel.MVELPredicateBuilderTest
  • org.drools.rule.builder.dialect.mvel.MVELReturnValueBuilderTest
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