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File Content: `ZendServer.php`

<?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 */
;// require_once 'Zend/Cache/Backend/Interface.php';

/** @see Zend_Cache_Backend */
;// require_once 'Zend/Cache/Backend.php';


/**
 * @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;
        }
    }
}
Name	Size	Permission
ZendServer	---	0755
Apc.php	11045 bytes	0644
BlackHole.php	7414 bytes	0644
ExtendedInterface.php	3979 bytes	0644
File.php	35916 bytes	0644
Interface.php	3855 bytes	0644
Libmemcached.php	16241 bytes	0644
Memcached.php	18054 bytes	0644
Sqlite.php	22955 bytes	0644
Static.php	19978 bytes	0644
Test.php	11903 bytes	0644
TwoLevels.php	20512 bytes	0644
WinCache.php	10925 bytes	0644
Xcache.php	7305 bytes	0644
ZendPlatform.php	11935 bytes	0644
ZendServer.php	6456 bytes	0644
File Content: ZendServer.php

File Content: `ZendServer.php`
