<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<refentry xml:id="zookeeperconfig.get" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>ZookeeperConfig::get</refname>
  <refpurpose>Gets the last committed configuration of the ZooKeeper cluster as it is known to the server to which the client is connected, synchronously</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis role="oop">
   <modifier>public</modifier>
   <type>string</type><methodname>ZookeeperConfig::get</methodname>
   <methodparam choice="opt"><type>callable</type><parameter>watcher_cb</parameter><initializer>&null;</initializer></methodparam>
   <methodparam choice="opt"><type>array</type><parameter role="reference">stat</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>watcher_cb</parameter></term>
    <listitem>
     <para>
      If nonzero, a watch will be set at the server to notify the client if the node changes.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>stat</parameter></term>
    <listitem>
     <para>
      If not NULL, will hold the value of stat for the path on return.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the configuration string on success, and false on failure.
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   This method emits <classname>ZookeeperException</classname> and it's derivatives when parameters count or types are wrong or fail to get configuration.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example xml:id="zookeeperconfig.get.example.basic">
   <title><methodname>ZookeeperConfig::get</methodname> example</title>
   <para>
     Get configuration.
   </para>
   <programlisting role="php">
<![CDATA[
<?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';
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
server.1=localhost:2888:3888:participant;0.0.0.0:2181
version=0xca01e881a2
]]>
   </screen>
  </example>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><methodname>ZookeeperConfig::set</methodname></member>
   <member><methodname>ZookeeperConfig::add</methodname></member>
   <member><methodname>ZookeeperConfig::remove</methodname></member>
   <member><classname>ZookeeperException</classname></member>
  </simplelist>
 </refsect1>

</refentry>

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