Re: How to call the given replyto address from the service?

[Santoso Nugroho]

Hi Michele,

I've change the return type, however the callback is still not called.
Here is my service code :
public OMElement requestData(OMElement element) {
       OMElement result = buildResponse(element);
       return result;
}
Here is my client code :
OMElement payload = getPayload();
       Options options = new Options();
       options.setAction("requestData");
       options.setTransportInProtocol(Constants.TRANSPORT_HTTP);
       options.setUseSeparateListener(true);
       EndpointReference epr = new 
EndpointReference("http://localhost:8081/axis2/services/AsynchWrappedService";);
       options.setTo(epr);
      
       Callback callback = new Callback() {
           public void onComplete(AsyncResult arg0) {
               System.out.println("completed, result = 
"+arg0.getResponseEnvelope());
           }

           public void onError(Exception arg0) {
               arg0.printStackTrace();
           }
          
       };
      
       ServiceClient serviceClient = null;
       try {
           ConfigurationContext configContext =         
ConfigurationContextFactory.createConfigurationContextFromFileSystem("c:\\MyJavaStuff\\axis2", 
null);
           serviceClient = new ServiceClient(configContext,null);
           serviceClient.engageModule(new 
QName(Constants.MODULE_ADDRESSING));
           serviceClient.setOptions(options);
           serviceClient.sendReceiveNonBlocking(payload, callback);
          
           while(!callback.isComplete()) {
               Thread.sleep(1000);
           }
          
       } catch (AxisFault e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       } catch (Exception e) {
           e.printStackTrace();
       } finally {
           try {
               serviceClient.finalizeInvoke();
           } catch (AxisFault e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
           }
       }

What is wrong with my code?

Thanks

Santoso


Michele Mazzucco wrote:
Hi Santoso,


I thinks you are making a mistake: asynchronous does not mean that the
return type is void!, it means that the client does not block while the
request is processed.
The return type should then be OMElement, and the callback object will
collect the result when this will be available.

Regards,
Michele

Santoso Nugroho wrote:
  
Hi all,

I have an asynch service, which as I understand the operation method
signature returns void.
e.g. public void requestData(OMElement element) { ... }

On the client side, I call the service using
ServiceClient.sendReceiveNonBlocking(payload, callback)
and I also engage the Addressing module.

My question is, when requestData is processed, what is the code to
return the result to the client's callback?
Is it the same code as a client calling a service?
fyi, I already have the ReplyTo address and the MessageID (from
MessageContext).


Thanks a lot,

Santoso





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