public List<Runnable> shutdownNow() {
   return mRunnable.shutdownNow();
 }
 public void shutdown() {
   mRunnable.shutdown();
 }
 public boolean isTerminated() {
   return mRunnable.isTerminated();
 }
 public boolean isShutdown() {
   return mRunnable.isShutdown();
 }
 public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
   return mRunnable.awaitTermination(timeout, unit);
 }
 public void execute(PARAM_TYPE pParam) {
   mRunnable.add(pParam);
 }