code: protected void execute(Runnable command) throws RejectedExecutionException
      {
          if (isDie())
          {
              logger.warn("AgiServer is shutting down: Refused to execute AgiScript");
              return;
          }
  
          getPool().execute(command);
      }
docs: Execute the runnable using the configured ThreadPoolExecutor obtained
  from {@link #getPool()}.
  
  @param command the command to run.
  @throws RejectedExecutionException if the runnable can't be executed