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<?php
namespace Elastica;
use Elastica\Exception\ResponseException;
use Elastica\Index\Status as IndexStatus;
/**
* Elastica general status.
*
* @author Nicolas Ruflin <spam@ruflin.com>
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-status.html
*/
class Status
{
/**
* Contains all status infos.
*
* @var \Elastica\Response Response object
*/
protected $_response = null;
/**
* Data.
*
* @var array Data
*/
protected $_data = array();
/**
* Client object.
*
* @var \Elastica\Client Client object
*/
protected $_client = null;
/**
* Constructs Status object.
*
* @param \Elastica\Client $client Client object
*/
public function __construct(Client $client)
{
$this->_client = $client;
$this->refresh();
}
/**
* Returns status data.
*
* @return array Status data
*/
public function getData()
{
return $this->_data;
}
/**
* Returns status objects of all indices.
*
* @return array|\Elastica\Index\Status[] List of Elastica\Client\Index objects
*/
public function getIndexStatuses()
{
$statuses = array();
foreach ($this->getIndexNames() as $name) {
$index = new Index($this->_client, $name);
$statuses[] = new IndexStatus($index);
}
return $statuses;
}
/**
* Returns a list of the existing index names.
*
* @return array Index names list
*/
public function getIndexNames()
{
return array_keys($this->_data['indices']);
}
/**
* Checks if the given index exists.
*
* @param string $name Index name to check
*
* @return bool True if index exists
*/
public function indexExists($name)
{
return in_array($name, $this->getIndexNames());
}
/**
* Checks if the given alias exists.
*
* @param string $name Alias name
*
* @return bool True if alias exists
*/
public function aliasExists($name)
{
return count($this->getIndicesWithAlias($name)) > 0;
}
/**
* Returns an array with all indices that the given alias name points to.
*
* @param string $alias Alias name
*
* @return array|\Elastica\Index[] List of Elastica\Index
*/
public function getIndicesWithAlias($alias)
{
$response = null;
try {
$response = $this->_client->request('/_alias/'.$alias);
} catch (ResponseException $e) {
$transferInfo = $e->getResponse()->getTransferInfo();
// 404 means the index alias doesn't exist which means no indexes have it.
if ($transferInfo['http_code'] === 404) {
return array();
}
// If we don't have a 404 then this is still unexpected so rethrow the exception.
throw $e;
}
$indices = array();
foreach ($response->getData() as $name => $unused) {
$indices[] = new Index($this->_client, $name);
}
return $indices;
}
/**
* Returns response object.
*
* @return \Elastica\Response Response object
*/
public function getResponse()
{
return $this->_response;
}
/**
* Return shards info.
*
* @return array Shards info
*/
public function getShards()
{
return $this->_data['shards'];
}
/**
* Refresh status object.
*/
public function refresh()
{
$path = '_status';
$this->_response = $this->_client->request($path, Request::GET);
$this->_data = $this->getResponse()->getData();
}
/**
* Refresh serverStatus object.
*/
public function getServerStatus()
{
$path = '';
$response = $this->_client->request($path, Request::GET);
return $response->getData();
}
}
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