Zookeeper::set

(PECL zookeeper >= 0.1.0)

Zookeeper::set — Sets the data associated with a node

Descrizione

public Zookeeper::set(
    string $path,
    string $value,
    int $version = -1,
    array &$stat = null
): bool

Elenco dei parametri

path: The name of the node. Expressed as a file name with slashes separating ancestors of the node.
value: The data to be stored in the node.
version: The expected version of the node. The function will fail if the actual version of the node does not match the expected version. If -1 is used the version check will not take place.
stat: If not NULL, will hold the value of stat for the path on return.

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.

Errori/Eccezioni

This method emits PHP error/warning when parameters count or types are wrong or fail to save value to node.

Attenzione

Since version 0.3.0, this method emits ZookeeperException and it's derivatives.

Esempi

Example #1 Zookeeper::set() example

Save value to node.

<?php
$zookeeper = new Zookeeper('locahost:2181');
$path = '/path/to/node';
$value = 'nodevalue';
$r = $zookeeper->set($path, $value);
if ($r)
  echo 'SUCCESS';
else
  echo 'ERR';
?>

Il precedente esempio visualizzerà:

SUCCESS

Vedere anche:

Zookeeper::create() - Create a node synchronously
Zookeeper::get() - Gets the data associated with a node synchronously
ZookeeperException

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