Package org.drools.rule

Examples of org.drools.rule.GroupElement$AndType

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        final List resultBetaConstraints = context.getBetaconstraints();
        final List resultAlphaConstraints = context.getAlphaConstraints();

        RuleConditionElement source = accumulate.getSource();
        if( source instanceof GroupElement ) {
            GroupElement ge = (GroupElement) source;
            if( ge.isAnd() && ge.getChildren().size() == 1 ) {
                source = (RuleConditionElement) ge.getChildren().get( 0 );
            }
        }

        // get builder for the pattern
        final ReteooComponentBuilder builder = utils.getBuilderFor( source );
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        return false;
    }

    static RuleTerminalNode buildTerminalNodeForNamedConsequence(BuildContext context, NamedConsequence namedConsequence) {
        Rule rule = context.getRule();
        GroupElement subrule = (GroupElement) context.peek();

        ActivationListenerFactory factory = context.getRuleBase().getConfiguration().getActivationListenerFactory( rule.getActivationListener() );
        TerminalNode terminal = factory.createActivationListener( context.getNextId(),
                                                                  context.getTupleSource(),
                                                                  rule,
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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final GroupElement ge = (GroupElement) rce;

        final ReteooComponentBuilder builder = this.geBuilders.get( ge.getType() );
       
        context.push( ge );
        context.pushRuleComponent( ge );

        builder.build( context,
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    /**
     * @inheritDoc
     */
    public boolean requiresLeftActivation(final BuildUtils utils,
                                          final RuleConditionElement rce) {
        final GroupElement ge = (GroupElement) rce;

        final ReteooComponentBuilder builder = this.geBuilders.get( ge.getType() );

        return builder.requiresLeftActivation( utils,
                                               rce );
    }
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         */
        public void build(final BuildContext context,
                          final BuildUtils utils,
                          final RuleConditionElement rce) {

            final GroupElement ge = (GroupElement) rce;

            // iterate over each child and build it
            for (final RuleConditionElement child : ge.getChildren()) {

                final ReteooComponentBuilder builder = utils.getBuilderFor(child);

                builder.build( context,
                               utils,
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            }
        }

        public boolean requiresLeftActivation(final BuildUtils utils,
                                              final RuleConditionElement rce) {
            final GroupElement and = (GroupElement) rce;

            // need to check this because in the case of an empty rule, the root AND
            // 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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         */
        public void build(final BuildContext context,
                          final BuildUtils utils,
                          final RuleConditionElement rce) {
            boolean existSubNetwort = false;
            final GroupElement not = (GroupElement) rce;

            // 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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         */
        public void build(final BuildContext context,
                          final BuildUtils utils,
                          final RuleConditionElement rce) {
            boolean existSubNetwort = false;           
            final GroupElement exists = (GroupElement) rce;

            // 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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        // forall can be translated into
        // not( basePattern and not( <remaining_patterns>+ ) )
        // so we just do that:

        final GroupElement and = GroupElementFactory.newAndInstance();
        and.addChild( forall.getBasePattern() );

        final GroupElement not2 = GroupElementFactory.newNotInstance();
        not2.setForallBaseObjectType( forall.getBasePattern().getObjectType() );
        if ( forall.getRemainingPatterns().size() == 1 ) {
            if ( forall.isEmptyBetaConstraints() ) {
                // The reason why this is here is because forall can inject a
                //  "this == " + BASE_IDENTIFIER $__forallBaseIdentifier
                // Which we don't want to actually count in the case of forall node linking               
                context.setEmptyForAllBetaConstraints( true );
            }
            not2.addChild( (Pattern) forall.getRemainingPatterns().get( 0 ) );
            and.addChild( not2 );
        } else if ( forall.getRemainingPatterns().size() > 1 ) {
            final GroupElement and2 = GroupElementFactory.newAndInstance();
            for ( final Iterator it = forall.getRemainingPatterns().iterator(); it.hasNext(); ) {
                and2.addChild( (Pattern) it.next() );
            }
            not2.addChild( and2 );
            and.addChild( not2 );
        }

        final GroupElement not = GroupElementFactory.newNotInstance();
        not.addChild( and );

        // get builder for the CEs
        final ReteooComponentBuilder builder = utils.getBuilderFor( not );

        // builds the CEs
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        ConditionalBranchDescr elseBranchDescr = conditionalBranch.getElseBranch();
        return new ConditionalBranch( condition, consequence, elseBranchDescr != null ? build(context, elseBranchDescr, prefixPattern) : null );
    }

    private Pattern getLastPattern(RuleBuildContext context) {
        GroupElement ge = (GroupElement)context.getBuildStack().peek();
        List<RuleConditionElement> siblings = ge.getChildren();
        for (int i = siblings.size()-1; i >= 0; i--) {
            RuleConditionElement element = siblings.get(i);
            if (element instanceof Pattern) {
                return (Pattern) element;
            }
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