}
else if(InternalInvocation.ACKNOWLEDGECALLBACK.equals(methodName))
{
ServerInvokerCallbackHandler callbackHandler = getCallbackHandler(invocation);
if(trace) { log.trace("ServerInvoker (" + this + ") acknowledge callback on callback handler " + callbackHandler + "."); }
callbackHandler.acknowledgeCallbacks(param);
}
else if(InternalInvocation.ADDCLIENTLISTENER.equals(methodName))
{
String sessionId = ServerInvokerCallbackHandler.getId(invocation);
Object[] params = param.getParameters();