Package org.drools.spi

Examples of org.drools.spi.Evaluator

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            }

            if ( declr != null ) {
                Target right = getRightTarget( extractor );
                Target left = (declr.isPatternDeclaration() && !(Date.class.isAssignableFrom( declr.getExtractor().getExtractToClass() ) || Number.class.isAssignableFrom( declr.getExtractor().getExtractToClass() ))) ? Target.HANDLE : Target.FACT;
                final Evaluator evaluator = getEvaluator( context,
                                                          d,
                                                          extractor.getValueType(),
                                                          operator,
                                                          relDescr.isNegated(),
                                                          relDescr.getParametersText(),
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            Target right = rightDecl != null && rightDecl.isPatternDeclaration() ? Target.HANDLE : Target.FACT;

            op.setLeftIsHandle( left == Target.HANDLE );
            op.setRightIsHandle( right == Target.HANDLE );

            Evaluator evaluator = getEvaluator( context,
                                                predicateDescr,
                                                ValueType.OBJECT_TYPE,
                                                op.getOperator(),
                                                false, // the rewrite takes care of negation
                                                op.getParametersText(),
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            return null;
        }

        Target right = getRightTarget( extractor );
        Target left = Target.FACT;
        final Evaluator evaluator = getEvaluator( context,
                                                  literalRestrictionDescr,
                                                  vtype,
                                                  literalRestrictionDescr.getEvaluator(),
                                                  literalRestrictionDescr.isNegated(),
                                                  literalRestrictionDescr.getParameterText(),
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                                     usedIdentifiers,
                                     factDeclarations );

        Target right = getRightTarget( extractor );
        Target left = Target.FACT;
        final Evaluator evaluator = getEvaluator( context,
                                                  returnValueRestrictionDescr,
                                                  extractor.getValueType(),
                                                  returnValueRestrictionDescr.getEvaluator(),
                                                  returnValueRestrictionDescr.isNegated(),
                                                  returnValueRestrictionDescr.getParameterText(),
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                                                          null,
                                                          "Unable to determine the Evaluator for ID '" + evaluatorString + "'" ) );
            return null;
        }

        final Evaluator evaluator = def.getEvaluator( valueType,
                                                      evaluatorString,
                                                      isNegated,
                                                      parameters,
                                                      left,
                                                      right );
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            final AlphaNode alphaNode = (AlphaNode) sink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();

            if ( fieldConstraint instanceof LiteralConstraint ) {
                final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;
                final Evaluator evaluator = literalConstraint.getEvaluator();

                if ( evaluator.getOperator() == Operator.EQUAL && literalConstraint.getFieldExtractor().getValueType() != ValueType.OBJECT_TYPE ) {
                    final int index = literalConstraint.getFieldExtractor().getIndex();
                    final FieldIndex fieldIndex = registerFieldIndex( index,
                                                                      literalConstraint.getFieldExtractor() );

                    if ( fieldIndex.getCount() >= this.alphaNodeHashingThreshold && this.alphaNodeHashingThreshold != 0 ) {
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            final AlphaNode alphaNode = (AlphaNode) sink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();

            if ( fieldConstraint instanceof LiteralConstraint ) {
                final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;
                final Evaluator evaluator = literalConstraint.getEvaluator();
                final FieldValue value = literalConstraint.getField();

                if ( evaluator.getOperator() == Operator.EQUAL && literalConstraint.getFieldExtractor().getValueType() != ValueType.OBJECT_TYPE ) {
                    final int index = literalConstraint.getFieldExtractor().getIndex();
                    final FieldIndex fieldIndex = unregisterFieldIndex( index );

                    if ( fieldIndex.isHashed() ) {
                        HashKey hashKey = new HashKey( index,
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        for ( ObjectSinkNode sink = this.hashableSinks.getFirst(); sink != null; sink = sink.getNextObjectSinkNode() ) {
            final AlphaNode alphaNode = (AlphaNode) sink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();
            final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;
            final Evaluator evaluator = literalConstraint.getEvaluator();
            if ( evaluator.getOperator() == Operator.EQUAL && index == literalConstraint.getFieldExtractor().getIndex() ) {
                final FieldValue value = literalConstraint.getField();
                list.add( sink );
                this.hashedSinkMap.put( new HashKey( index,
                                                     value,
                                                     fieldIndex.getFieldExtractor() ),
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        for ( final java.util.Iterator iter = sinks.iterator(); iter.hasNext(); ) {
            final AlphaNode sink = (AlphaNode) iter.next();
            final AlphaNode alphaNode = sink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();
            final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;
            final Evaluator evaluator = literalConstraint.getEvaluator();
            if ( evaluator.getOperator() == Operator.EQUAL && index == literalConstraint.getFieldExtractor().getIndex() ) {
                final FieldValue value = literalConstraint.getField();
                if ( this.hashableSinks == null ) {
                    this.hashableSinks = new ObjectSinkNodeList();
                }
                this.hashableSinks.add( sink );
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            }

            if ( declr != null ) {
                Target right = getRightTarget( extractor );
                Target left = (declr.isPatternDeclaration() && !(Date.class.isAssignableFrom( declr.getExtractor().getExtractToClass() ) || Number.class.isAssignableFrom( declr.getExtractor().getExtractToClass() ))) ? Target.HANDLE : Target.FACT;
                final Evaluator evaluator = getEvaluator( context,
                                                          d,
                                                          extractor.getValueType(),
                                                          operator,
                                                          relDescr.isNegated(),
                                                          relDescr.getParametersText(),
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Related Classes of org.drools.spi.Evaluator

  • org.drools.base.BaseEvaluator
  • org.drools.base.EvaluatorFactoryTest
  • org.drools.base.evaluators.AfterEvaluatorDefinition
  • org.drools.base.TemporalEvaluatorFactoryTest
  • org.drools.common.BaseBetaConstraintsTest
  • org.drools.event.AgendaEventSupportTest
  • org.drools.event.knowledgebase.KnowledgeBaseEventSupportTest
  • org.drools.event.rule.AgendaEventSupportTest
  • org.drools.event.RuleBaseEventListenerTest
  • org.drools.event.RuleBaseEventSupportTest
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