ZookeeperConfig::add
Add servers to the ensemble
Description
public
void ZookeeperConfig::add(string $members, int $version = -1, array &$stat = null)
Parameters
-
members
-
Comma separated list of servers to be added to the ensemble. Each has a configuration line for a server to be added (as would appear in a
configuration file), only for maj. quorums.
-
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.
Return Values
No value is returned.
Errors/Exceptions
This method emits ZookeeperException and it's derivatives when parameters count or types are wrong or fail to save value to node.
Examples
Example #1 ZookeeperConfig::add example
<?php
$client = new Zookeeper();
$client->connect('localhost:2181');
$client->addAuth('digest', 'timandes:timandes');
$zkConfig = $client->getConfig();
$zkConfig->set("server.1=localhost:2888:3888:participant;0.0.0.0:2181");
$zkConfig->add("server.2=localhost:2889:3889:participant;0.0.0.0:2182");
$r = $zkConfig->get();
if ($r)
echo $r;
else
echo 'ERR';
?>
The above example will output:
server.1=localhost:2888:3888:participant;0.0.0.0:2181
server.2=localhost:2889:3889:participant;0.0.0.0:2182
version=0xca01e881a2
See Also
- ZookeeperConfig::get
- ZookeeperConfig::set
- ZookeeperConfig::remove
- ZookeeperException