Package org.drools.core.rule

Examples of org.drools.core.rule.RuleConditionElement

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            // will have no child
            if ( and.getChildren().isEmpty() ) {
                return true;
            }

            final RuleConditionElement child = and.getChildren().get( 0 );
            final ReteooComponentBuilder builder = utils.getBuilderFor( child );

            return builder.requiresLeftActivation( utils,
                                                   child );
        }
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            // NOT must save some context info to restore it later
            final int currentPatternIndex = context.getCurrentPatternOffset();
            final LeftTupleSource tupleSource = context.getTupleSource();

            // get child
            final RuleConditionElement child = not.getChildren().get( 0 );

            // get builder for child
            final ReteooComponentBuilder builder = utils.getBuilderFor( child );

            // builds the child
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            // EXISTS must save some context info to restore it later
            final int currentPatternIndex = context.getCurrentPatternOffset();
            final LeftTupleSource tupleSource = context.getTupleSource();

            // get child
            final RuleConditionElement child = exists.getChildren().get( 0 );

            // get builder for child
            final ReteooComponentBuilder builder = utils.getBuilderFor( child );

            // builds the child
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        }
    }

    private boolean isNegative(final BuildContext context) {
        for ( ListIterator<RuleConditionElement> it = context.stackIterator(); it.hasPrevious(); ) {
            RuleConditionElement rce = it.previous();
            if ( rce instanceof GroupElement && ((GroupElement) rce).isNot() ) {
                return true;
            }
        }
        return false;
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        }
    }

    private boolean isNegative(final BuildContext context) {
        for ( ListIterator<RuleConditionElement> it = context.stackIterator(); it.hasPrevious(); ) {
            RuleConditionElement rce = it.previous();
            if ( rce instanceof GroupElement && ((GroupElement) rce).isNot() ) {
                return true;
            }
        }
        return false;
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        private void traversePatternTree(List<PatternInfo> patternInfos, List<RuleConditionElement> ruleElements, List<BaseDescr> lhsDescrs) {
          if (ruleElements.size() != lhsDescrs.size()) {
            throw new RuntimeException("Cannot traverse pattern tree");
          }
          for (int i = 0; i < ruleElements.size(); i++) {
            RuleConditionElement ruleElement = ruleElements.get(i);
            BaseDescr lhsDescr = lhsDescrs.get(i);
           
            if (ruleElement instanceof Pattern && lhsDescr instanceof PatternDescr) {
              patternInfos.add(new PatternInfo((PatternDescr)lhsDescr, (Pattern)ruleElement));
              endPatternsCharacter = Math.max(endPatternsCharacter, ((PatternDescr)lhsDescr).getEndCharacter());
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            }
        }

        // lets see if it maps to a query
        if ( objectType == null ) {
            RuleConditionElement rce = null;
            // it might be a recursive query, so check for same names
            if ( context.getRule().getName().equals( patternDescr.getObjectType() ) ) {
                // it's a query so delegate to the QueryElementBuilder
                QueryElementBuilder qeBuilder = new QueryElementBuilder();
                rce = qeBuilder.build( context,
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        if ( this.map.containsKey( (name) ) ) {
            return true;
        }
       
        for ( int i = this.buildStack.size() - 1; i >= 0; i-- ) {
            final RuleConditionElement rce = buildStack.get( i );
            final Declaration declaration = rce.getInnerDeclarations().get( name );
            if ( declaration != null ) {
                // if it is an OR and it is duplicated, we can stop looking for duplication now
                // as it is a separate logical branch
                boolean inOr = ((rce instanceof GroupElement) && ((GroupElement) rce).isOr());
                if ( ! inOr || type == null ) {
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Related Classes of org.drools.core.rule.RuleConditionElement

  • org.drools.compiler.lang.api.DescrBuilderTest
  • org.drools.compiler.rule.builder.ConditionalBranchBuilder
  • org.drools.compiler.rule.builder.dialect.java.JavaAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.mvel.MVELAccumulateBuilder
  • org.drools.compiler.rule.builder.GroupElementBuilder
  • org.drools.compiler.rule.builder.PatternBuilder
  • org.drools.core.reteoo.builder.AccumulateBuilder
  • org.drools.core.reteoo.builder.GroupElementBuilder$AndBuilder
  • org.drools.core.reteoo.builder.GroupElementBuilder$ExistsBuilder
  • org.drools.core.reteoo.builder.GroupElementBuilder$NotBuilder
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