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<?php
namespace Elastica\Transport;
use Elastica\Exception\InvalidException;
use Elastica\Exception\PartialShardFailureException;
use Elastica\Exception\ResponseException;
use Elastica\JSON;
use Elastica\Request;
use Elastica\Response;
/**
* Elastica Memcache Transport object
*
* @category Xodoa
* @package Elastica
* @author Nicolas Ruflin <spam@ruflin.com>
*/
class Memcache extends AbstractTransport
{
/**
* Makes calls to the elasticsearch server
*
* @param \Elastica\Request $request
* @param array $params Host, Port, ...
* @throws \Elastica\Exception\ResponseException
* @throws \Elastica\Exception\InvalidException
* @return \Elastica\Response Response object
*/
public function exec(Request $request, array $params)
{
$memcache = new \Memcache();
$memcache->connect($this->getConnection()->getHost(), $this->getConnection()->getPort());
// Finds right function name
$function = strtolower($request->getMethod());
$data = $request->getData();
$content = '';
if (!empty($data) || '0' === $data) {
if (is_array($data)) {
$content = JSON::stringify($data);
} else {
$content = $data;
}
// Escaping of / not necessary. Causes problems in base64 encoding of files
$content = str_replace('\/', '/', $content);
}
$responseString = '';
switch ($function) {
case 'post':
case 'put':
$memcache->set($request->getPath(), $content);
break;
case 'get':
$responseString = $memcache->get($request->getPath() . '?source=' . $content);
break;
case 'delete':
break;
default:
throw new InvalidException('Method ' . $function . ' is not supported in memcache transport');
}
$response = new Response($responseString);
if ($response->hasError()) {
throw new ResponseException($request, $response);
}
if ($response->hasFailedShards()) {
throw new PartialShardFailureException($request, $response);
}
return $response;
}
}
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