Package org.drools.rule

Examples of org.drools.rule.Rule.addPattern()


        Rule rule = new Rule( ruleDescr.getName() );
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Cheese.class ),
                                      "$cheese" ) );
       
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Map.class ),
                                      "$map" ) );       

        PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry reg = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
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                                        ruleDescr,
                                        reg,
                                        pkg,
                                        reg.getDialect( pkgRegistry.getDialect() ) );       
       
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Cheese.class ),
                                      "$cheese" ) );
       
        Pattern p = new Pattern( 1,
                               new ClassObjectType( Person.class ),
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                                                                                    p.getObjectType(),
                                                                                    "age",
                                                                                    declr,
                                                                                    true );
       
        rule.addPattern( p );
       
        context.getBuildStack().push( rule.getLhs() );
       
        context.getDialect().getConsequenceBuilder().build( context, "default" );
        for ( String name : namedConsequences.keySet() ) {
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        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                                    evaluator,
                                                                    field );
        pattern.addConstraint( constraint );
        rule.addPattern( pattern );

        rule.setConsequence( new Consequence() {
            public void evaluate(final KnowledgeHelper knowledgeHelper,
                                 final org.drools.WorkingMemory workingMemory) throws Exception {
            }
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        final LiteralConstraint constraint = new LiteralConstraint( extractor,
                                                              evaluator,
                                                              field );
        pattern.addConstraint( constraint );
        rule.addPattern( pattern );

        rule.setConsequence( new Consequence() {
            public void evaluate(final KnowledgeHelper knowledgeHelper,
                                 final WorkingMemory workingMemory) throws Exception {
            }
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        contextPattern.addConstraint( getLiteralConstraint( contextPattern,
                                                            "state",
                                                            Context.START_UP,
                                                            this.integerEqualEvaluator ) );

        rule.addPattern( contextPattern );

        final Declaration contextDeclaration = rule.getDeclaration( "context" );

        // -----------
        // guest: Guest()
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        // -----------
        final Pattern guestPattern = new Pattern( 1,
                                                  this.guestType,
                                                  "guest" );

        rule.addPattern( guestPattern );

        final Declaration guestDeclaration = rule.getDeclaration( "guest" );

        // ------------
        // count : Count()
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        // ------------
        final Pattern countPattern = new Pattern( 2,
                                                  this.countType,
                                                  "count" );

        rule.addPattern( countPattern );

        final Declaration countDeclaration = rule.getDeclaration( "count" );

        final Consequence consequence = new Consequence() {
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        contextPattern.addConstraint( getLiteralConstraint( contextPattern,
                                                            "state",
                                                            Context.ASSIGN_SEATS,
                                                            this.integerEqualEvaluator ) );

        rule.addPattern( contextPattern );

        final Declaration contextDeclaration = rule.getDeclaration( "context" );

        // -------------------------------
        // Seating( seatingId:id, seatingPid:pid, pathDone == true
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        setFieldDeclaration( seatingPattern,
                             "rightGuestName",
                             "seatingRightGuestName" );

        rule.addPattern( seatingPattern );

        final Declaration seatingIdDeclaration = rule.getDeclaration( "seatingId" );
        final Declaration seatingPidDeclaration = rule.getDeclaration( "seatingPid" );
        final Declaration seatingRightGuestNameDeclaration = rule.getDeclaration( "seatingRightGuestName" );
        final Declaration seatingRightSeatDeclaration = rule.getDeclaration( "seatingRightSeat" );
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