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