Examples of org.drools.core.definitions.rule.impl.RuleImpl.addPattern()

Package org.drools.core.definitions.rule.impl

Class org.drools.core.definitions.rule.impl.RuleImpl

Examples of org.drools.core.definitions.rule.impl.RuleImpl.addPattern()

org.drools.core.definitions.rule.impl.RuleImpl.addPattern()
Add a pattern to the rule. All patterns are searched for bindings which are then added to the rule as declarations @param element The Test to add. @throws org.drools.core.rule.InvalidRuleException


        seatingPattern.addConstraint( getLiteralConstraint( seatingPattern,
                                                            "pathDone",
                                                            false ) );


        rule.addPattern( seatingPattern );


        final Declaration seatingDeclaration = rule.getDeclaration( "seating" );


        // ------------
        // context.setName( Context.CHECK_DONE );

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        contextPattern.addConstraint( getLiteralConstraint( contextPattern,
                                                            "state",
                                                            Context.CHECK_DONE ) );


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


        // ---------------
        // LastSeat( lastSeat: seat )
        // ---------------

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        setFieldDeclaration( lastSeatPattern,
                             "seat",
                             "lastSeat" );


        rule.addPattern( lastSeatPattern );
        final Declaration lastSeatDeclaration = rule.getDeclaration( "lastSeat" );
        // -------------
        // Seating( rightSeat == lastSeat )
        // -------------
        final Pattern seatingPattern = new Pattern( 2,

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        seatingPattern.addConstraint( getBoundVariableConstraint( seatingPattern,
                                                                  "rightSeat",
                                                                  lastSeatDeclaration,
                                                                  "==" ) );


        rule.addPattern( seatingPattern );


        // ------------
        // context.setName( Context.PRINT_RESULTS );
        // ------------
        final Consequence consequence = new Consequence() {

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        contextPattern.addConstraint( getLiteralConstraint( contextPattern,
                                                            "state",
                                                            Context.CHECK_DONE ) );


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


        // ------------
        // context.setName( Context.ASSIGN_SEATS );
        // ------------

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        contextPattern.addConstraint( getLiteralConstraint( contextPattern,
                                                            "state",
                                                            Context.PRINT_RESULTS ) );


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


        // ------------
        //
        // ------------

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