Loop JCO.Table row

Question

public Reservation makeReservation() throws CustomException{
          Reservation outgoingRes = new InvReservation();
               JCO.Function function = null;
          JCO.Client client = null;
                    String functionName="ZMM_OSB_RESERVATION";
          try{
               function = con.createFunction(functionName);
               client = JCO.getClient(con.getConnectionPool());
               System.out.println("AFTER CREATEFUNCTION:" + function );
               if (function != null) {
                     JCO.ParameterList list = function.getImportParameterList();
                     list.setValue(this.getMATNR(), "MATNR");
                     list.setValue(this.getMENGE(), "MENGE");
                                         list.setValue(this.getSERNR(), "SERNR");
                     list.setValue(this.getWERKS(), "WERKS");
                     list.setValue(this.getLGORT(), "LGORT");
                     list.setValue(this.getKOSTL(), "KOSTL");
                     list.setValue(this.getGSBER(), "GSBER");
                     System.out.println("after set successful");
                     client.execute(function);     
                     int  count= function.getExportParameterList().getFieldCount();
                    JCO.Field ZSUBRCField=function.getExportParameterList().getField("ZSUBRC");
                    JCO.Field ZEMSGField=function.getExportParameterList().getField("ZEMSG");
                     for(int i=0; i<count; i++) {
                    //for(JCO.FieldIterator e = returnStructure.fields(); e.hasMoreElements(); ) {
                       if(ZSUBRCField.getName().equals("ZSUBRC")){
                              outgoingRes.setZSUBRC(ZSUBRCField.getString()); 
                         }else if(ZEMSGField.getName().equals("ZEMSG")){
                              outgoingRes.setZEMSG(ZEMSGField.getString()); 
                        // System.out.println(RSNUMField.getName() + ":t" + RSNUMField.getString());
                    System.out.println(ZSUBRCField.getName() + ":t" + ZSUBRCField.getString());
                    System.out.println(ZEMSGField.getName() + ":t" + ZEMSGField.getString());
                     JCO.Table returnStructure=function.getTableParameterList().getTable("RETURN");
                     //JCO.Structure returnStructure = function.getExportParameterList().getStructure("RETURN");
       //---------how to loop table table row------
          //loop columns           
                    for(JCO.FieldIterator e = returnStructure.fields(); e.hasMoreElements(); ) {
                         JCO.Field field = e.nextField();
                         if(field.getName().equals("RSNUM")){
                              outgoingRes.setRSNUM(field.getString());
                         }else if(field.getName().equals("MATNR")){
                              outgoingRes.setMATNR(field.getString()); 
                         }else if(field.getName().equals("SERNR")){
                              outgoingRes.setSERNR(field.getString());
                         }else if(field.getName().equals("MENGE")){
                              outgoingRes.setMENGE(java.lang.Double.parseDouble(field.getString())); 
                         }else if(field.getName().equals("ZSUBRC")){
                              outgoingRes.setZSUBRC(field.getString()); 
                         }else if(field.getName().equals("ZEMSG")){
                              outgoingRes.setZEMSG(field.getString()); 
                         System.out.println("CHECK OUTPUT:" +field.getName() + ":t" + field.getString());
                    System.out.println("all ok");
                    //String currentDir = System.getProperty("user.dir");
                    //props.load(this.getClass().getClassLoader().getResourceAsStream("res/path.properties"));
          }catch(Exception ex){
               System.out.println("Caught an exception: n" + ex);
               throw new CustomException(ex);
          }finally{
               if (client != null) {
                    System.out.println("Connection Closed");
                    JCO.releaseClient(client);
                    //throw new CustomException("ex");
          return outgoingRes;
i need to loop to JCO.Table
Message was edited by:
        yzme yzme
Message was edited by:
        yzme yzme

Answer 1

Start by combining all those queries into 1 query and join
the applicable tables. If you don't know how to do that, I have
heard good things about the book, "Teach Yourself SQL in 10
Minutes" by Ben Forta.