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<?php
namespace Elastica\Node;
use Elastica\Node as BaseNode;
use Elastica\Request;
/**
* Elastica cluster node object.
*
* @author Nicolas Ruflin <spam@ruflin.com>
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-status.html
*/
class Stats
{
/**
* Response.
*
* @var \Elastica\Response Response object
*/
protected $_response = null;
/**
* Stats data.
*
* @var array stats data
*/
protected $_data = array();
/**
* Node.
*
* @var \Elastica\Node Node object
*/
protected $_node = null;
/**
* Create new stats for node.
*
* @param \Elastica\Node $node Elastica node object
*/
public function __construct(BaseNode $node)
{
$this->_node = $node;
$this->refresh();
}
/**
* Returns all node stats as array based on the arguments.
*
* Several arguments can be use
* get('index', 'test', 'example')
*
* @return array Node stats for the given field or null if not found
*/
public function get()
{
$data = $this->getData();
foreach (func_get_args() as $arg) {
if (isset($data[$arg])) {
$data = $data[$arg];
} else {
return;
}
}
return $data;
}
/**
* Returns all stats data.
*
* @return array Data array
*/
public function getData()
{
return $this->_data;
}
/**
* Returns node object.
*
* @return \Elastica\Node Node object
*/
public function getNode()
{
return $this->_node;
}
/**
* Returns response object.
*
* @return \Elastica\Response Response object
*/
public function getResponse()
{
return $this->_response;
}
/**
* Reloads all nodes information. Has to be called if informations changed.
*
* @return \Elastica\Response Response object
*/
public function refresh()
{
$path = '_nodes/'.$this->getNode()->getName().'/stats';
$this->_response = $this->getNode()->getClient()->request($path, Request::GET);
$data = $this->getResponse()->getData();
$this->_data = reset($data['nodes']);
}
}
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