axis 2

[topcoder1 <to...@gmail.com>]

ear folks,
I am just starting to use web service and Axis.  I want to use a C++
client to communicate with a java web service(tomcat + axis).  The
client sends a request to start a time-consuming process on the
server, then wants to get the progress (like 40% done) while the
server's working on it.
1. I found Axis2's asynchronous model appealing because it provides a
natural way to for client to get Progress,error, completion,etc.
Callback callback = new Callback() {
   public void onComplete(AsyncResult result) {
       //what user can do to result
   }
   public void reportError(Exception e) {
      //on error
   }
  public onMessage(MessageContext msgContext) {}
};
Without asynchronous model, how do I accomplish this in Axis 1?  I
make a call to start the process, then periodically make status
checking call until it finishes, correct?
By what I know so far, it seems it makes more sense to use Axis2 for
my project.  But please point out if I missed anything...

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