--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Cache/Backend/ZendServer.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,207 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: ZendServer.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/** @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) 2005-2010 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;
+ }
+ }
+}