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|
<?php
namespace Elastica\Multi;
use Elastica\Client;
use Elastica\JSON;
use Elastica\Request;
use Elastica\Search as BaseSearch;
/**
* Elastica multi search.
*
* @author munkie
*
* @link http://www.elastic.co/guide/en/elasticsearch/reference/current/search-multi-search.html
*/
class Search
{
/**
* @var array|\Elastica\Search[]
*/
protected $_searches = array();
/**
* @var array
*/
protected $_options = array();
/**
* @var \Elastica\Client
*/
protected $_client;
/**
* Constructs search object.
*
* @param \Elastica\Client $client Client object
*/
public function __construct(Client $client)
{
$this->setClient($client);
}
/**
* @return \Elastica\Client
*/
public function getClient()
{
return $this->_client;
}
/**
* @param \Elastica\Client $client
*
* @return $this
*/
public function setClient(Client $client)
{
$this->_client = $client;
return $this;
}
/**
* @return $this
*/
public function clearSearches()
{
$this->_searches = array();
return $this;
}
/**
* @param \Elastica\Search $search
* @param string $key Optional key
*
* @return $this
*/
public function addSearch(BaseSearch $search, $key = null)
{
if ($key) {
$this->_searches[$key] = $search;
} else {
$this->_searches[] = $search;
}
return $this;
}
/**
* @param array|\Elastica\Search[] $searches
*
* @return $this
*/
public function addSearches(array $searches)
{
foreach ($searches as $key => $search) {
$this->addSearch($search, $key);
}
return $this;
}
/**
* @param array|\Elastica\Search[] $searches
*
* @return $this
*/
public function setSearches(array $searches)
{
$this->clearSearches();
$this->addSearches($searches);
return $this;
}
/**
* @return array|\Elastica\Search[]
*/
public function getSearches()
{
return $this->_searches;
}
/**
* @param string $searchType
*
* @return $this
*/
public function setSearchType($searchType)
{
$this->_options[BaseSearch::OPTION_SEARCH_TYPE] = $searchType;
return $this;
}
/**
* @return \Elastica\Multi\ResultSet
*/
public function search()
{
$data = $this->_getData();
$response = $this->getClient()->request(
'_msearch',
Request::POST,
$data,
$this->_options
);
return new ResultSet($response, $this->getSearches());
}
/**
* @return string
*/
protected function _getData()
{
$data = '';
foreach ($this->getSearches() as $search) {
$data .= $this->_getSearchData($search);
}
return $data;
}
/**
* @param \Elastica\Search $search
*
* @return string
*/
protected function _getSearchData(BaseSearch $search)
{
$header = $this->_getSearchDataHeader($search);
$header = (empty($header)) ? new \stdClass() : $header;
$query = $search->getQuery();
$data = JSON::stringify($header)."\n";
$data .= JSON::stringify($query->toArray())."\n";
return $data;
}
/**
* @param \Elastica\Search $search
*
* @return array
*/
protected function _getSearchDataHeader(BaseSearch $search)
{
$header = $search->getOptions();
if ($search->hasIndices()) {
$header['index'] = $search->getIndices();
}
if ($search->hasTypes()) {
$header['types'] = $search->getTypes();
}
return $header;
}
}
|
