code: public void activityEnded(ActivityHandle activityHandle) {
  		final Wrapper activity = activityManagement.remove((SipActivityHandle) activityHandle);
  		if (activity != null) {
  			activity.clear();			
  		}
  	}
docs: /*
  (non-Javadoc)
  @see javax.slee.resource.ResourceAdaptor#activityEnded(javax.slee.resource.ActivityHandle)