public void addRequest(ActionRequest request,LimitedQueueInfo queueInfo){
  String requestId=PennStation.requestAction(request,queueInfo);
synchronized (this) {
    mLastRequestIdByType.put(request.type(),requestId);
    mRequestIds.add(requestId);
  }
}

public void addRequest ( ActionRequest request , LimitedQueueInfo queueInfo ) { String requestId = PennStation . requestAction ( request , queueInfo ) ; synchronized ( this ) { mLastRequestIdByType . put ( request . type ( ) , requestId ) ; mRequestIds . add ( requestId ) ; } }
make a request via pennstation and keep track of the requestid .
