/* */
/* 932 */ CallbackPoller poller = new CallbackPoller(this, callbackhandler, metadata, callbackHandlerObject);
/* */
/* 934 */ this.callbackPollers.put(callbackhandler, poller);
/* 935 */ addCallbackListener(callbackhandler, metadata, callbackLocator, callbackHandlerObject);
/* 936 */ poller.start();
/* */ }
/* */ }
/* */ else
/* */ {
/* 941 */ throw new NullPointerException("InvokerCallbackHandler to be added as a listener can not be null.");