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<?php
namespace Elastica;
/**
* Percolator class
*
* @category Xodoa
* @package Elastica
* @author Nicolas Ruflin <spam@ruflin.com>
* @link http://www.elasticsearch.org/guide/reference/api/percolate/
*/
class Percolator
{
/**
* Index object
*
* @var \Elastica\Index
*/
protected $_index = null;
/**
* Construct new percolator
*
* @param \Elastica\Index $index
*/
public function __construct(Index $index)
{
$this->_index = $index;
}
/**
* Registers a percolator query, with optional extra fields to include in the registered query.
*
* @param string $name Query name
* @param string|\Elastica\Query|\Elastica\Query\AbstractQuery $query Query to add
* @param array $fields Extra fields to include in the registered query
* and can be used to filter executed queries.
* @return \Elastica\Response
*/
public function registerQuery($name, $query, $fields = array())
{
$path = $this->_index->getName() . '/.percolator/' . $name;
$query = Query::create($query);
$data = array_merge($query->toArray(), $fields);
return $this->_index->getClient()->request($path, Request::PUT, $data);
}
/**
* Removes a percolator query
* @param string $name query name
* @return \Elastica\Response
*/
public function unregisterQuery($name)
{
$path = $this->_index->getName() . '/.percolator/' . $name;
return $this->_index->getClient()->request($path, Request::DELETE);
}
/**
* Match a document to percolator queries
*
* @param \Elastica\Document $doc
* @param string|\Elastica\Query|\Elastica\Query\AbstractQuery $query Query to filter the percolator queries which
* are executed.
* @param string $type
* @param array $params
* @return array With matching registered queries.
*/
public function matchDoc(Document $doc, $query = null, $type = 'type', $params = array())
{
$path = $this->_index->getName() . '/' . $type . '/_percolate';
$data = array('doc' => $doc->getData());
return $this->_percolate($path, $query, $data, $params);
}
/**
* Percolating an existing document
*
* @param string $id
* @param string $type
* @param string|\Elastica\Query|\Elastica\Query\AbstractQuery $query Query to filter the percolator queries which
* are executed.
* @param array $params
* @return array With matching registered queries.
*/
public function matchExistingDoc($id, $type, $query = null, $params = array())
{
$id = urlencode($id);
$path = $this->_index->getName() . '/' . $type . '/'. $id . '/_percolate';
return $this->_percolate($path, $query, array(), $params);
}
/**
* @param string $path
* @param string|\Elastica\Query|\Elastica\Query\AbstractQuery $query] $query [description]
* @param array $data
* @param array $params
* @return array
*/
protected function _percolate($path, $query, $data = array(), $params = array())
{
// Add query to filter the percolator queries which are executed.
if ($query) {
$query = Query::create($query);
$data['query'] = $query->getQuery();
}
$response = $this->getIndex()->getClient()->request($path, Request::GET, $data, $params);
$data = $response->getData();
if (isset($data['matches'])) {
return $data['matches'];
}
return array();
}
/**
* Return index object
*
* @return \Elastica\Index
*/
public function getIndex()
{
return $this->_index;
}
}
|
