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Diffstat (limited to '')
| -rw-r--r-- | library/vendor/Zend/Cache/Backend/ZendServer.php | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/library/vendor/Zend/Cache/Backend/ZendServer.php b/library/vendor/Zend/Cache/Backend/ZendServer.php new file mode 100644 index 0000000..6243d86 --- /dev/null +++ b/library/vendor/Zend/Cache/Backend/ZendServer.php @@ -0,0 +1,205 @@ +<?php +/** + * Zend Framework + * + * LICENSE + * + * This source file is subject to the new BSD license that is bundled + * with this package in the file LICENSE.txt. + * It is also available through the world-wide-web at this URL: + * http://framework.zend.com/license/new-bsd + * If you did not receive a copy of the license and are unable to + * obtain it through the world-wide-web, please send an email + * to license@zend.com so we can send you a copy immediately. + * + * @category Zend + * @package Zend_Cache + * @subpackage Zend_Cache_Backend + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + */ + + +/** @see Zend_Cache_Backend_Interface */ + +/** @see Zend_Cache_Backend */ + + +/** + * @package Zend_Cache + * @subpackage Zend_Cache_Backend + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +abstract class Zend_Cache_Backend_ZendServer extends Zend_Cache_Backend implements Zend_Cache_Backend_Interface +{ + /** + * Available options + * + * =====> (string) namespace : + * Namespace to be used for chaching operations + * + * @var array available options + */ + protected $_options = array( + 'namespace' => 'zendframework' + ); + + /** + * Store data + * + * @param mixed $data Object to store + * @param string $id Cache id + * @param int $timeToLive Time to live in seconds + * @throws Zend_Cache_Exception + */ + abstract protected function _store($data, $id, $timeToLive); + + /** + * Fetch data + * + * @param string $id Cache id + * @throws Zend_Cache_Exception + */ + abstract protected function _fetch($id); + + /** + * Unset data + * + * @param string $id Cache id + */ + abstract protected function _unset($id); + + /** + * Clear cache + */ + abstract protected function _clear(); + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id cache id + * @param boolean $doNotTestCacheValidity if set to true, the cache validity won't be tested + * @return string cached datas (or false) + */ + public function load($id, $doNotTestCacheValidity = false) + { + $tmp = $this->_fetch($id); + if ($tmp !== null) { + return $tmp; + } + return false; + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id cache id + * @return mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record + * @throws Zend_Cache_Exception + */ + public function test($id) + { + $tmp = $this->_fetch('internal-metadatas---' . $id); + if ($tmp !== false) { + if (!is_array($tmp) || !isset($tmp['mtime'])) { + Zend_Cache::throwException('Cache metadata for \'' . $id . '\' id is corrupted' ); + } + return $tmp['mtime']; + } + return false; + } + + /** + * Compute & return the expire time + * + * @return int expire time (unix timestamp) + */ + private function _expireTime($lifetime) + { + if ($lifetime === null) { + return 9999999999; + } + return time() + $lifetime; + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data datas to cache + * @param string $id cache id + * @param array $tags array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime if != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + $lifetime = $this->getLifetime($specificLifetime); + $metadatas = array( + 'mtime' => time(), + 'expire' => $this->_expireTime($lifetime), + ); + + if (count($tags) > 0) { + $this->_log('Zend_Cache_Backend_ZendServer::save() : tags are unsupported by the ZendServer backends'); + } + + return $this->_store($data, $id, $lifetime) && + $this->_store($metadatas, 'internal-metadatas---' . $id, $lifetime); + } + + /** + * Remove a cache record + * + * @param string $id cache id + * @return boolean true if no problem + */ + public function remove($id) + { + $result1 = $this->_unset($id); + $result2 = $this->_unset('internal-metadatas---' . $id); + + return $result1 && $result2; + } + + /** + * Clean some cache records + * + * Available modes are : + * 'all' (default) => remove all cache entries ($tags is not used) + * 'old' => unsupported + * 'matchingTag' => unsupported + * 'notMatchingTag' => unsupported + * 'matchingAnyTag' => unsupported + * + * @param string $mode clean mode + * @param array $tags array of tags + * @throws Zend_Cache_Exception + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + $this->_clear(); + return true; + break; + case Zend_Cache::CLEANING_MODE_OLD: + $this->_log("Zend_Cache_Backend_ZendServer::clean() : CLEANING_MODE_OLD is unsupported by the Zend Server backends."); + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $this->_clear(); + $this->_log('Zend_Cache_Backend_ZendServer::clean() : tags are unsupported by the Zend Server backends.'); + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } +} |