code: public static WatchMonitor createAll(Path path, Watcher watcher){
  		final WatchMonitor watchMonitor = create(path, EVENTS_ALL);
  		watchMonitor.setWatcher(watcher);
  		return watchMonitor;
  	}
docs: 创建并初始化监听，监听所有事件
  @param path 路径
  @param watcher {@link Watcher}
  @return {@link WatchMonitor}