Zookeeper::setWatcher
(PECL zookeeper >= 0.1.0)
Zookeeper::setWatcher — Set a watcher function
説明
public
Zookeeper::setWatcher
( callable $watcher_cb
) : bool
パラメータ
watcher_cb- A watch will be set at the server to notify the client if the node changes.
返り値
成功した場合に true を、失敗した場合に false を返します。
エラー / 例外
This method emits PHP error/warning when parameters count or types are wrong or fail to set watcher.
警告 Since version 0.3.0, this method emits ZookeeperException and it's derivatives.
参考
- Zookeeper::exists() - Checks the existence of a node in zookeeper synchronously
- Zookeeper::get() - Gets the data associated with a node synchronously
- ZookeeperException
