code: @Override
    public Executor fetchExecutor(final int executorId) throws ExecutorManagerException {
      for (final Executor executor : this.activeExecutors.getAll()) {
        if (executor.getId() == executorId) {
          return executor;
        }
      }
      return this.executorLoader.fetchExecutor(executorId);
    }
docs: {@inheritDoc}
  
  @see azkaban.executor.ExecutorManagerAdapter#fetchExecutor(int)