Package org.drools.rule

Examples of org.drools.rule.Forall

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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final Forall forall = (Forall) rce;
        context.pushRuleComponent( forall );

        // 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 );
        }
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        if ( basePattern == null ) {
            return null;
        }

        final Forall forall = new Forall( basePattern );

        // adding the newly created forall CE to the build stack
        // this is necessary in case of local declaration usage
        context.getBuildStack().push( forall );

        for ( final Iterator it = forallDescr.getRemainingPatterns().iterator(); it.hasNext(); ) {
            final Pattern anotherPattern = (Pattern) patternBuilder.build( context,
                                                                           (PatternDescr) it.next() );
            forall.addRemainingPattern( anotherPattern );
        }

        // poping the forall
        context.getBuildStack().pop();
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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final Forall forall = (Forall) rce;

        // 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();
        if ( forall.getRemainingPatterns().size() == 1 ) {
            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 );
        }
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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final Forall forall = (Forall) rce;
        context.pushRuleComponent( forall );

        // 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 ) {
            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 );
        }
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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final Forall forall = (Forall) rce;
        context.pushRuleComponent( forall );

        // 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 ) {
            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 );
        }
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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final Forall forall = (Forall) rce;

        // 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.newForallNotInstance();
        not2.setForallBaseObjectType( forall.getBasePattern().getObjectType() );
        if ( forall.getRemainingPatterns().size() == 1 ) {
            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 );
        }
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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final Forall forall = (Forall) rce;
        context.pushRuleComponent( forall );

        // 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.newForallNotInstance();
        not2.setForallBaseObjectType( forall.getBasePattern().getObjectType() );
        if ( forall.getRemainingPatterns().size() == 1 ) {
            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 );
        }
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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final Forall forall = (Forall) rce;

        // 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();
        if ( forall.getRemainingPatterns().size() == 1 ) {
            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 );
        }
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        if ( basePattern == null ) {
            return null;
        }

        final Forall forall = new Forall( basePattern );

        // adding the newly created forall CE to the build stack
        // this is necessary in case of local declaration usage
        context.getBuildStack().push( forall );

        for ( final Iterator it = forallDescr.getRemainingPatterns().iterator(); it.hasNext(); ) {
            final Pattern anotherPattern = (Pattern) patternBuilder.build( context,
                                                                           (PatternDescr) it.next() );
            forall.addRemainingPattern( anotherPattern );
        }
       
       
        if ( forallDescr.getDescrs().size() == 1 ) {
            // An optimization for unlinking, where we allow unlinking if the resulting 'not' node has no constraints
            // we need to record this here, due to getRemainingPatterns injecting "this == " + BASE_IDENTIFIER $__forallBaseIdentifier
            // which we wish to ignore
            PatternDescr p = ( PatternDescr ) forallDescr.getDescrs().get( 0 );
            if ( p.getConstraint().getDescrs().isEmpty() ) {
                forall.setEmptyBetaConstraints( true );
            }
        }       

        // poping the forall
        context.getBuildStack().pop();
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     * @inheritDoc
     */
    public void build(final BuildContext context,
                      final BuildUtils utils,
                      final RuleConditionElement rce) {
        final Forall forall = (Forall) rce;
        context.pushRuleComponent( forall );

        // 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.newForallNotInstance();
        not2.setForallBaseObjectType( forall.getBasePattern().getObjectType() );
        if ( forall.getRemainingPatterns().size() == 1 ) {
            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 );
        }
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Related Classes of org.drools.rule.Forall

  • org.drools.reteoo.builder.ForallBuilder
  • org.drools.rule.builder.ForallBuilder
  • java.util.List
  • java.util.HashMap
  • java.util.Map
  • java.util.ArrayList
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