Package org.drools.core.rule

Examples of org.drools.core.rule.GroupElement

651
652
653
654
655
656
657
658
659
660
661
662
663
664
                           builder,
                           "" );
        assertEquals( 0,
                      builder.getErrors().getErrors().length );

        final GroupElement lhs = rule.getLhs();
        assertLength( 1,
                      lhs.getChildren() );

        final GroupElement exists = (GroupElement) lhs.getChildren().get( 0 );
        assertLength( 1,
                      exists.getChildren() );
        final Pattern pattern = (Pattern) exists.getChildren().get( 0 );
    }
View Full Code Here
95
96
97
98
99
100
101
102
103
104
105
        RuleDescr ruleDescr = context.getRuleDescr();

        final RuleConditionBuilder builder = (RuleConditionBuilder) context.getDialect().getBuilder( ruleDescr.getLhs().getClass() );
        if ( builder != null ) {
            Pattern prefixPattern = context.getPrefixPattern(); // this is established during pre-processing, if it's query
            final GroupElement ce = (GroupElement) builder.build( context,
                                                                  ruleDescr.getLhs(),
                                                                  prefixPattern );

            context.getRule().setLhs( ce );
        } else {
View Full Code Here
82
83
84
85
86
87
88
89
90
91
92
93
        final Pattern pattern = new Pattern( 0,
                                             cheeseObjeectType,
                                             "cheese" );

        final GroupElement subrule = new GroupElement( GroupElement.AND );
        subrule.addChild( pattern );
        final Map<String, Declaration> map = new HashMap<String, Declaration>();
        map.put( "cheese",
                 pattern.getDeclaration() );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );
View Full Code Here
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
    }

    private GroupElement getExtendedLhs(RuleImpl rule,
                                        GroupElement fromChild) {
        //combine rules LHS with Parent "Extends"
        final GroupElement lhs = rule.lhsRoot.cloneOnlyGroup();
        //use the children passed from prior child rules, and combine with current LHS (at the end)
        if ( null != fromChild ) {
            //Have GroupElement from a child rule, so combine it
            lhs.getChildren().addAll( fromChild.getChildren() );
        }
        //move recursively up the tree
        if ( rule.parent != null ) {
            return getExtendedLhs( rule.parent,
                                   lhs );
View Full Code Here
48
49
50
51
52
53
54
55
56
57
58
59
60
        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 );
View Full Code Here
27
28
29
30
31
32
33
34
35
36
37
        return false;
    }

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

        ActivationListenerFactory factory = context.getKnowledgeBase().getConfiguration().getActivationListenerFactory( rule.getActivationListener() );
        TerminalNode terminal = factory.createActivationListener( context.getNextId(),
                                                                  context.getTupleSource(),
                                                                  rule,
View Full Code Here
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
        // 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
View Full Code Here
57
58
59
60
61
62
63
64
65
66
67
68
69
     * @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,
View Full Code Here
77
78
79
80
81
82
83
84
85
86
87
88
    /**
     * @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 );
    }
View Full Code Here
99
100
101
102
103
104
105
106
107
108
109
110
111
112
         */
        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,
View Full Code Here
TOP

Related Classes of org.drools.core.rule.GroupElement

  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.rule.builder.ConditionalBranchBuilder
  • org.drools.compiler.rule.builder.dialect.java.RuleBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
  • org.drools.compiler.rule.builder.GroupElementBuilder
  • org.drools.compiler.rule.builder.RuleBuilder
  • org.drools.core.common.DroolsObjectIOTest
  • org.drools.core.definitions.rule.impl.RuleImpl
  • org.drools.core.examples.manners.BaseMannersTest
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.