115 lines
3.7 KiB
PHP
115 lines
3.7 KiB
PHP
<?php
|
|
/*
|
|
* $Id: Apc.php 7490 2010-03-29 19:53:27Z jwage $
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* This software consists of voluntary contributions made by many individuals
|
|
* and is licensed under the LGPL. For more information, see
|
|
* <http://www.doctrine-project.org>.
|
|
*/
|
|
|
|
/**
|
|
* APC Cache Driver
|
|
*
|
|
* @package Doctrine
|
|
* @subpackage Cache
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @link www.doctrine-project.org
|
|
* @since 1.0
|
|
* @version $Revision: 7490 $
|
|
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
|
|
* @author Jonathan H. Wage <jonwage@gmail.com>
|
|
*/
|
|
class Doctrine_Cache_Apc extends Doctrine_Cache_Driver
|
|
{
|
|
/**
|
|
* constructor
|
|
*
|
|
* @param array $options associative array of cache driver options
|
|
*/
|
|
public function __construct($options = array())
|
|
{
|
|
if ( ! extension_loaded('apc')) {
|
|
throw new Doctrine_Cache_Exception('The apc extension must be loaded for using this backend !');
|
|
}
|
|
parent::__construct($options);
|
|
}
|
|
|
|
/**
|
|
* Fetch a cache record from this cache driver instance
|
|
*
|
|
* @param string $id cache id
|
|
* @param boolean $testCacheValidity if set to false, the cache validity won't be tested
|
|
* @return mixed Returns either the cached data or false
|
|
*/
|
|
protected function _doFetch($id, $testCacheValidity = true)
|
|
{
|
|
return apc_fetch($id);
|
|
}
|
|
|
|
/**
|
|
* Test if a cache record exists for the passed id
|
|
*
|
|
* @param string $id cache id
|
|
* @return mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record
|
|
*/
|
|
protected function _doContains($id)
|
|
{
|
|
$found = false;
|
|
apc_fetch($id, $found);
|
|
return $found;
|
|
}
|
|
|
|
/**
|
|
* Save a cache record directly. This method is implemented by the cache
|
|
* drivers and used in Doctrine_Cache_Driver::save()
|
|
*
|
|
* @param string $id cache id
|
|
* @param string $data data to cache
|
|
* @param int $lifeTime if != false, set a specific lifetime for this cache record (null => infinite lifeTime)
|
|
* @return boolean true if no problem
|
|
*/
|
|
protected function _doSave($id, $data, $lifeTime = false)
|
|
{
|
|
return apc_store($id, $data, $lifeTime);
|
|
}
|
|
|
|
/**
|
|
* Remove a cache record directly. This method is implemented by the cache
|
|
* drivers and used in Doctrine_Cache_Driver::delete()
|
|
*
|
|
* @param string $id cache id
|
|
* @return boolean true if no problem
|
|
*/
|
|
protected function _doDelete($id)
|
|
{
|
|
return apc_delete($id);
|
|
}
|
|
|
|
/**
|
|
* Fetch an array of all keys stored in cache
|
|
*
|
|
* @return array Returns the array of cache keys
|
|
*/
|
|
protected function _getCacheKeys()
|
|
{
|
|
$ci = apc_cache_info('user');
|
|
$keys = array();
|
|
|
|
foreach ($ci['cache_list'] as $entry) {
|
|
$keys[] = $entry['info'];
|
|
}
|
|
return $keys;
|
|
}
|
|
} |