Examples of com.dtrules.interpreter.RArray

com.dtrules.interpreter.RArray
Immplements Arrays for Decision Tables. Because we can't tag references, we do the same trick here that we do for RNames, i.e. we create an executable and a non-executable version of each array. However, we only create one ArrayList.

If dups is true, we allow duplicate references in the array. Sometimes it is pleasent to have an array whose values are all unique. In that case, create an array with dups set to false.

@author ps24876

        node.setList(new ArrayList<Object>());
      }else{
          node.getList().clear();
      }
      
        RArray result = (RArray) node.getTargetList();
        for(IRObject obj : result){
            Object value   = convert(obj);
            node.getList().add(value);
        }

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      */
     static class Translate extends ROperator {
         Translate(){super("translate"); }
         public void execute(DTState state) throws RulesException {
             boolean duplicates = state.datapop().booleanValue();
             RArray  keys       = state.datapop().rArrayValue();
             RTable  table      = state.datapop().rTableValue();
             RArray valueArray = new RArray(state.getSession().getUniqueID(),duplicates,false);
             for(IRObject key : keys){
                 if(table.containsKey(key)){
                    valueArray.add(table.getValue(key));
                 }
             }
             state.datapush(valueArray);
         }

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    }
    
    private void addTables(IRObject action,List<RArray> stack, List<RDecisionTable> tables){
        if(action==null)return;
        if(action.type()==iArray){
            RArray array = (RArray)action;
            if(stack.contains(array))return;    // We have already been here.
            stack.add(array);
            try {     // As this is an array, arrayValue() will not ever throw an exception
                @SuppressWarnings({"unchecked"})
                Iterator objects = array.arrayValue().iterator();
                while(objects.hasNext()){
                    addTables((IRObject) objects.next(),stack,tables);
                }
            } catch (RulesException e) { }
        }

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    static class Remove extends ROperator {
      Remove() {super("remove");}
      
      public void execute(DTState state) throws RulesException {
        IRObject  value   = state.datapop();
        RArray    rarray  = (RArray)state.datapop();
                ArrayList array   = rarray.arrayValue();
                boolean removed = false;
                if(value!=null){
          for(int i=0; i<array.size();){
            if(value.equals((IRObject)array.get(i))){
                            if(state.testState(DTState.TRACE)){
                                state.traceInfo("removed", "arrayID",rarray.getID()+"",value.postFix());
                            }
              array.remove(i);
                            removed = true;
            } else {
              i++;

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    static class Removeat extends ROperator {
      Removeat() {super("removeat");}
      
      public void execute(DTState state) throws RulesException {
        int position = state.datapop().intValue();
                RArray    rarray  = (RArray)state.datapop();
                if(position >= rarray.size()){
                    state.datapush(RBoolean.getRBoolean(false));
                }
                
                ArrayList array   = rarray.arrayValue();
                   if(state.testState(DTState.TRACE)){
                       state.traceInfo("removed", "arrayID",rarray.getID()+"","position",position+"",null);
                   }
                
                array.remove(position);        
                state.datapush(RBoolean.getRBoolean(true));
      }

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       */    
    static class Newarray extends ROperator {
      Newarray() {super("newarray");}
      
      public void execute(DTState state) throws RulesException {
        IRObject irobject = new RArray(state.getSession().getUniqueID(),true, false);
        state.datapush(irobject);
      }

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       */    
    static class Copyelements extends ROperator {
      Copyelements() {super("copyelements");}
      
      public void execute(DTState state) throws RulesException {
        RArray rarray     = state.datapop().rArrayValue();
        RArray newRArray  = rarray.clone(state.getSession()).rArrayValue();
        if(state.testState(DTState.TRACE)){
                  state.traceInfo("copyelements","id",rarray.getID()+"","newarrayid",newRArray.getID()+"",null);
            for(IRObject v : newRArray){
                      state.traceInfo("addto", "arrayID",rarray.getID()+"",v.postFix());
            }
                }

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         */     
        static class DeepCopy extends ROperator {
            DeepCopy () {super("deepcopy");}
            
            public void execute(DTState state) throws RulesException {
                RArray rarray     = state.datapop().rArrayValue();
                RArray newRArray  = rarray.deepCopy(state.getSession()).rArrayValue();
                
                if(state.testState(DTState.TRACE)){
                    state.traceInfo("copyelements","id",rarray.getID()+"","newarrayid",newRArray.getID()+"",null);
                    for(IRObject v : newRArray){
                        state.traceInfo("addto", "arrayID",rarray.getID()+"",v.postFix());
                    }
                }

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      public void execute(DTState state) throws RulesException {
        boolean asc  = state.datapop().booleanValue();
        int direction = asc ? 1 : -1;
        
        RArray rarray             = state.datapop().rArrayValue();
        ArrayList<IRObject> array = rarray.arrayValue();
        
                if(state.testState(DTState.TRACE)){
                   state.traceInfo("sort", "length",array.size()+"","arrayID",rarray.getID()+"",asc ? "true" : "false");
                }


        IRObject temp = null;
        int size = array.size();
        for(int i=0; i<size-1; i++){

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      Sortentities() {super("sortentities");}
      
      public void execute(DTState state) throws RulesException {
        boolean asc  = state.datapop().booleanValue();
        RName rname = state.datapop().rNameValue();
        RArray rarray  = state.datapop().rArrayValue();
        ArrayList<IRObject> array = rarray.arrayValue();
        if(state.testState(DTState.TRACE)){
                 state.traceInfo("sortentities", 
                         "length",   array.size()+"",
                         "by",       rname.stringValue(),
                         "arrayID",  rarray.getID()+"",
                         asc ? "true" : "false");
              }
        REntity temp = null;
        int size = array.size();
                int greaterthan = asc ? 1 : -1;

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Related Classes of com.dtrules.interpreter.RArray

com.dtrules.automapping.access.DTRulesTarget

com.dtrules.decisiontables.RDecisionTable

com.dtrules.interpreter.operators.RArrayOps$Add_no_dups

com.dtrules.interpreter.operators.RArrayOps$AddArray

com.dtrules.interpreter.operators.RArrayOps$Addat

com.dtrules.interpreter.operators.RArrayOps$Addto

com.dtrules.interpreter.operators.RArrayOps$Arraytomark

com.dtrules.interpreter.operators.RArrayOps$Copyelements

com.dtrules.interpreter.operators.RArrayOps$DeepCopy

com.dtrules.interpreter.operators.RArrayOps$FindMatch

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