Examples of IRObject

com.dtrules.interpreter.IRObject
Every Rules Engine object implements the IRObject interface. This interface is used by the Interpreter to execute objects, and by the implementation of operators to manipulate objects.

This interface implements the necessary methods for doing the data conversions necessary when extracting data from the Rules Engine state after having executed a set of rules. @author Paul Snow
org.omg.CORBA.IRObject

Examples of com.dtrules.interpreter.IRObject

    static class  Xdef extends ROperator {
        Xdef(){super("xdef");}


        public void execute(DTState state) throws RulesException {
            RName    name  = state.datapop().rNameValue();
            IRObject value = state.datapop();
            boolean f = state.def(name, value, true);
            if(!f)
                if(state.find(name)==null){
                    throw new RulesException("Undefined",
                            "xdef",

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Examples of com.dtrules.interpreter.IRObject

     */
    static class  Cvi   extends ROperator {
        Cvi(){super("cvi");}
        
        public void execute(DTState state) throws RulesException {
            IRObject o = state.datapop();
            IRObject v = RNull.getRNull();
            try{
                v = o.rIntegerValue();
            }catch(Exception e){}
            state.datapush(v); 
        }

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Examples of com.dtrules.interpreter.IRObject

     */
    static class  Cvr   extends ROperator {
        Cvr(){super("cvr"); }
        
        public void execute(DTState state) throws RulesException {
            IRObject o = state.datapop();
            IRObject v = RNull.getRNull();
            try{
                v = o.rDoubleValue();
            }catch(Exception e){}
            state.datapush(v); 
        }

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Examples of com.dtrules.interpreter.IRObject

     */
    static class  Cvb   extends ROperator {
        Cvb(){super("cvb");}
        
        public void execute(DTState state) throws RulesException {
            IRObject o = state.datapop();
            IRObject v = RNull.getRNull();
            try{
                v = o.rBooleanValue();
            }catch(Exception e){}
            state.datapush(v);    
        }

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Examples of com.dtrules.interpreter.IRObject

     */
    static class  Cve   extends ROperator {
        Cve(){super("cve");}
        
        public void execute(DTState state) throws RulesException {
            IRObject o = state.datapop();
            IRObject v = RNull.getRNull();
            try{
                v = o.rEntityValue();
            }catch(Exception e){}
            state.datapush(v); 
        }

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Examples of com.dtrules.interpreter.IRObject

     */
    static class  Cvs   extends ROperator {
        Cvs(){super("cvs");}
        
        public void execute(DTState state) throws RulesException {
            IRObject o = state.datapop();
            if(o.type() == iNull){
                state.datapush(o);
            }else{
                state.datapush(RString.newRString(o.stringValue()));
            }
        }

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Examples of com.dtrules.interpreter.IRObject

     */
    static class  Cvn   extends ROperator {
        Cvn(){super("cvn");}
        
        public void execute(DTState state) throws RulesException {
            IRObject o = state.datapop();
            IRObject v = RNull.getRNull();
            try{
                v = o.rNameValue();
            }catch(Exception e){}
            state.datapush(v); 
        }

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Examples of com.dtrules.interpreter.IRObject

     */
    static class  Cvd   extends ROperator {
        Cvd(){super("cvd");}
        
        public void execute(DTState state) throws RulesException {
            IRObject o = state.datapop();
            IRObject v = RNull.getRNull();
            try{
                v = o.rTimeValue();
            }catch(Exception e){
                Date d =    state.getSession().getDateParser().getDate(o.stringValue());
                if(d!=null){

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Examples of com.dtrules.interpreter.IRObject

    static class If extends ROperator {
        If(){super("if");}


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

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Examples of com.dtrules.interpreter.IRObject

    static class Ifelse extends ROperator {
        Ifelse(){super("ifelse");}


        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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