Unable to retrieve parameters from RFC Function Module

Question

Hi All,
I have created a model for the RFC Enabled function module BAPI_BUPA_CENTRAL_GETDETAIL within my webdynpro program. I am passing parameters to the function module BAPI_BUPA_CENTRAL_GETDETAIL and I have validated that this is being passed correctly by displaying the passed value from the node of the input parameters.
Code used to pass input parameters -
  IWDMessageManager manager = wdComponentAPI.getMessageManager();
   try
      wdContext.currentBapi_Bupa_Central_Getdetail_InputElement().modelObject().execute();
      size = wdContext.nodeCentraldataperson().size();     
      wdComponentAPI.getMessageManager().reportSuccess(Integer.toString(size));
      wdContext.nodeOutput().invalidate();
   catch(WDDynamicRFCExecuteException e)
      manager.reportException(e.getMessage(), false);
I also see that it returns 1 record by using the code below:
IWDMessageManager manager = wdComponentAPI.getMessageManager();
   try
      wdContext.currentBapi_Bupa_Central_Getdetail_InputElement().modelObject().execute();
      size = wdContext.nodeCentraldataperson().size();     
      wdComponentAPI.getMessageManager().reportSuccess(Integer.toString(size));
      wdContext.nodeOutput().invalidate();
   catch(WDDynamicRFCExecuteException e)
      manager.reportException(e.getMessage(), false);
But, when I try to retrieve the value returned it does not fetch that value -
   Bapi_Bupa_Central_Getdetail_Output getdata = wdContext.nodeBapi_Bupa_Central_Getdetail_Input().nodeOutput().currentOutputElement().modelObject();
   Bapibus1006_Central_Person[] getres = new Bapibus1006_Central_Person[size];
   for(int i=0; i<size; i++){
        wdComponentAPI.getMessageManager().reportSuccess(Integer.toString(i));
        getres<i> = getdata.getCentraldataperson();
          //String fullname = wdContext.nodeBapi_Bupa_Central_Getdetail_Input().nodeOutput().nodeCentraldataperson().getElementAt(i).getAttributeValue("Fullname").toString();
        String fullname = getres<i>.getFullname();
       fullname += Integer.toString(i);
        wdContext.currentContextElement().setFullname(fullname);
        wdComponentAPI.getMessageManager().reportSuccess("fullname:" + fullname);
It always returns 0 or null. Can someone please help me with this issue. The BAPI returns values in structure format and not internal table and hence I dont see the issue there as well.
What can be the problem?
Thanks for all your help in advance.
Best regards,
Divya

Answer 1

Nikhil / Srihari,
I changed my code and it now looks like -  I am trying get the return value into the context fullname but i still cant get the value although the size of nodeCentraldataperson() is thrown as 1 and the input is being passed correctly as i have validated this in this line of code [wdContext.nodeBapi_Bupa_Central_Getdetail_Input().currentBapi_Bupa_Central_Getdetail_InputElement().getBusinesspartner();]
IWDMessageManager manager = wdComponentAPI.getMessageManager();
   try
      wdContext.currentBapi_Bupa_Central_Getdetail_InputElement().modelObject().execute();
      size = wdContext.nodeCentraldataperson().size();     
      wdComponentAPI.getMessageManager().reportSuccess(Integer.toString(size));
      wdContext.nodeCentraldataperson().invalidate();
   catch(WDDynamicRFCExecuteException e)
      manager.reportException(e.getMessage(), false);
     for(int i=0; i <size; i++){
          String name = "FullName: ";
          wdContext.nodeBapi_Bupa_Central_Getdetail_Input().nodeOutput().nodeCentraldataperson().setLeadSelection(i);
          name += wdContext.nodeBapi_Bupa_Central_Getdetail_Input().currentBapi_Bupa_Central_Getdetail_InputElement().getBusinesspartner();
          name += wdContext.nodeBapi_Bupa_Central_Getdetail_Input().nodeOutput().nodeCentraldataperson().currentCentraldatapersonElement().getFullname();
          wdContext.currentContextElement().setFullname(name);     
Any idea what could be wrong?
Thanks,
Divya