Examples of com.dtrules.interpreter.IRObject.execute()

com.dtrules.interpreter.IRObject.execute()
This method defines the executable behavior of a object within the Rules Interpreter. @param state The Rules Engine State @throws RulesException

        public void execute(DTState state) throws RulesException {
            RArray   list = state.datapop().rArrayValue();
            IRObject body = state.datapop();        // Get the body
            for(IRObject o : list){
                 state.datapush(o);
                 body.execute(state);
            }
        }
    }
    /**
     * ( body array  -- ) pushes each element on to the data stack, then executes the body.

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            Iterator<REntity> ie = (Iterator<REntity>) array.getIterator();
            while(ie.hasNext()){
                state.entitypush(ie.next());
                test.execute(state);
                if(state.datapop().booleanValue()){
                    body.execute(state);
                    state.entitypop();
                    return;
                }
                state.entitypop();
            }

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            for(IRObject obj : array) {
                IREntity e = obj.rEntityValue();
                state.entitypush(e);
                test.execute(state);
                if(state.datapop().booleanValue()){
                    body1.execute(state);
                    state.entitypop();
                    return;
                }
                state.entitypop();
            }

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            int         start     = state.datapop().intValue();
            IRObject    body      = state.datapop();
            if(increment>0){
                for(int i = start;i<limit;i+=increment){
                    state.cpush(RInteger.getRIntegerValue(i));
                    body.execute(state);
                    state.cpop();
                }
            }else{
                for(int i = start;i>limit;i+=increment){
                    state.cpush(RInteger.getRIntegerValue(i));

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                    state.cpop();
                }
            }else{
                for(int i = start;i>limit;i+=increment){
                    state.cpush(RInteger.getRIntegerValue(i));
                    body.execute(state);
                    state.cpop();
                }
            }
        }
    }

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            if(rps!= null) { 
                for(int column : columns){
                    if(column < rps.length){
                       IRObject ps = rps[column];
                       if(ps != null){
                          ps.execute(state);
                          ps = state.datapop();
                          if(ps != RNull.getRNull()){
                              ra.add(ps);
                          }
                       }

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                    }
                }
                if(columns.size()==0){
                    IRObject ps = rps[0];
                    if(ps != null){
                       ps.execute(state);
                       ps = state.datapop();
                       if(ps != RNull.getRNull()){
                           ra.add(ps);
                       }
                    }

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        If(){super("if");}


        public void execute(DTState state) throws RulesException {
            boolean  test = state.datapop().booleanValue();
            IRObject body = state.datapop();
            if(test)body.execute(state);
        }
    }
    /**
     * ( truebody falsebody test -- ) Executes truebody if the boolean test is true, otherwise 
     * executes falsebody.

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        public void execute(DTState state) throws RulesException {
            boolean  test      = state.datapop().booleanValue();
            IRObject falsebody = state.datapop();
            IRObject truebody  = state.datapop();
            if(test){
                truebody.execute(state);
            }else{ 
                falsebody.execute(state);
            }
        }
    }

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            IRObject test = state.datapop();         // Get the test
            IRObject body = state.datapop();         // Get the body
            
            test.execute(state);                     // evaluate the test
            while(state.datapop().booleanValue()){   // If true, keep looping
                body.execute(state);                 // execute the body.
                test.execute(state);                 // check the test again.
            }
            
           
        }

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