[jira] Commented: (AXIS2-1657) Problems in generated CallbackHandler in client side

["Dennis Sosnoski (JIRA)" <ji...@apache.org>]

    [ http://issues.apache.org/jira/browse/AXIS2-1657?page=comments#action_12448575 ] 
            
Dennis Sosnoski commented on AXIS2-1657:
----------------------------------------

The problem with using abstract methods is that the user then has to implement *all* of them. In the case of a service interface with multiple operations this gets very cumbersome (especially when the user only wants to use one operation asynchronously).

A better solution is to add comments to the template to explain what should be overridden. This could take the form of:

  // user data object
  protected Object clientData;
  ...
  // override this method for handling normal response from getDates operation
  public void receiveResultgetDates(
  ...
  // override this method for handling error response from getDates operation
  public void receiveErrorgetDates(java.lang.Exception e) {
  ...

> Problems in generated CallbackHandler in client side
> ----------------------------------------------------
>
>                 Key: AXIS2-1657
>                 URL: http://issues.apache.org/jira/browse/AXIS2-1657
>             Project: Apache Axis 2.0 (Axis2)
>          Issue Type: Improvement
>          Components: codegen
>    Affects Versions: nightly
>            Reporter: Deepal Jayasinghe
>
> When I generate client side code it generates a CallbackHandler abstract class , but the issue with that is it does not have any abstract methods. So I think we should generate that class with abstract methods then user can easily understand what he needs to do. Sample CallBackHandler class is attached below;
> public abstract class DateServerCallbackHandler {
>     protected Object clientData;
>     public DateServerCallbackHandler(Object clientData) {
>         this.clientData = clientData;
>     }
>     public DateServerCallbackHandler() {
>         this.clientData = null;
>     }
>     public Object getClientData() {
>         return clientData;
>     }
>     public void receiveResultgetDates(
>             com.mydomain.service.xsd.DateServerStub.GetDatesResponse param1) {
>     }
>     public void receiveErrorgetDates(java.lang.Exception e) {
>     }
> }

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