« Zookeeper::setLogStream
ZookeeperConfig »

Zookeeper::setWatcher

(PECL zookeeper >= 0.1.0)

Zookeeper::setWatcher — Set a watcher function

説明

public function 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.

戻り値

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 its derivatives.

参考

関連キーワード:
Zookeeper   watcher   setWatcher   node   zookeeper   method   emits   ZookeeperException   synchronously   setLogStream   ZookeeperConfig   callable   watch   server   notify   client   changes   成功   warning   parameters   count   types   wrong   fail   Since
関連する関数・ページ:
zookeeper.getchildren   zookeeper.exists   zookeeper.delete   zookeeper.set   zookeeper.get   zookeeper.getclientid