code: private void startNetworkingRequest() {
          Logger.v("Task[%s] start networking request", this);
  
          if (mExecutor != null) {
              final NetworkingPrioritizable<T> prioritizable = new NetworkingPrioritizable<T>(this);
              final NetworkingRequest<T> request = new NetworkingRequest<T>(prioritizable, mPriority.ordinal(), this);
              mExecutor.executeNetworkingRequest(request);
          } else {
              throw new IllegalStateException(Messages.NO_EXECUTOR);
          }
      }
docs: ======================================================