ZookeeperConfig::get

(PECL zookeeper >= 0.6.0, ZooKeeper >= 3.5.0)

ZookeeperConfig::get — Gets the last committed configuration of the ZooKeeper cluster as it is known to the server to which the client is connected, synchronously

Descrierea

public ZookeeperConfig::get ([ callable $watcher_cb = NULL [, array &$stat = NULL ]] ) : string

Parametri

watcher_cb

If nonzero, a watch will be set at the server to notify the client if the node changes.

stat

If not NULL, will hold the value of stat for the path on return.

Valorile întoarse

Returns the configuration string on success, and false on failure.

Erori/Excepții

This method emits ZookeeperException and it's derivatives when parameters count or types are wrong or fail to get configuration.

Exemple

Example #1 ZookeeperConfig::get() example

Get configuration.

<?php
$zk = new Zookeeper();
$zk->connect('localhost:2181');
$zk->addAuth('digest', 'timandes:timandes');
$zkConfig = $zk->getConfig();
$r = $zkConfig->get();
if ($r)
  echo $r;
else
  echo 'ERR';
?>

Exemplul de mai sus va afișa:

server.1=localhost:2888:3888:participant;0.0.0.0:2181
version=0xca01e881a2

A se vedea și