/// <summary>
/// 删除节点事件监听
/// </summary>
/// <param name="path">节点path</param>
/// <param name="dataListener">监听对象</param>
public void UnSubscribeNodeChanges(string path, IZKNodeListener dataListener)
{
this._nodeListeners.TryGetValue(path, out ConcurrentHashSet <IZKNodeListener> listeners);
listeners?.TryRemove(dataListener);
if (listeners != null && !listeners.IsEmpty)
{
return;
}
_nodeListeners.TryRemove(path, out ConcurrentHashSet <IZKNodeListener> _listeners);
}
/// <summary>
/// 添加节点事件监听
/// </summary>
/// <param name="path">节点path</param>
/// <param name="listener">监听对象</param>
public void SubscribeNodeChanges(string path, IZKNodeListener listener)
{
this._nodeListeners.TryGetValue(path, out ConcurrentHashSet <IZKNodeListener> listeners);
if (listeners == null)
{
listeners = new ConcurrentHashSet <IZKNodeListener>();
this._nodeListeners.TryAdd(path, listeners);
}
listeners.TryAdd(listener);
Task.Run(async() =>
{
await WatchForDataAsync(path);
}).ConfigureAwait(false).GetAwaiter().GetResult();
_logHandler.Info($"Subscribed node changes for {path}");
}
