| alpha--util--cache

# Source for file AlphaCacheProviderMemcache.inc Documentation is available at AlphaCacheProviderMemcache.inc <?php require_once $config->get('sysRoot').'alpha/util/cache/AlphaCacheProviderInterface.inc'; /** * * An implementation of the AlphaCacheProviderInterface interface that uses Memcache as the * target store. * * @package alpha::util::cache * @since 1.1 * @author John Collins <dev@alphaframework.org> * @version $Id: AlphaCacheProviderMemcache.inc 1454 2011-12-04 15:14:05Z johnc $ * @license http://www.opensource.org/licenses/bsd-license.php The BSD License * @copyright Copyright (c) 2011, John Collins (founder of Alpha Framework). * All rights reserved. * * <pre> * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the * following conditions are met: * * * Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other * materials provided with the distribution. * * Neither the name of the Alpha Framework nor the names * of its contributors may be used to endorse or promote * products derived from this software without specific * prior written permission. * * 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 HOLDER 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. * </pre> * */ class AlphaCacheProviderMemcache implements AlphaCacheProviderInterface { /** * Trace logger * * @var Logger * @since 1.1 */ private static $logger = null; /** * Constructor * * @since 1.1 */ public function __construct() { self::$logger = new Logger('AlphaCacheProviderMemcache'); } /** * (non-PHPdoc) * @see alpha/util/cache/AlphaCacheProviderInterface::get() * @since 1.1 */ public function get($key) { self::$logger->debug('>>get(key=['.$key.'])'); global $config; try { $memcache = new Memcache(); $memcache->connect($config->get('sysMemcachedHost'), 11211); $value = $memcache->get($key); self::$logger->debug('<<get: ['.print_r($value, true).'])'); return $value; }catch(Exception $e) { self::$logger->error('Error while attempting to load a business object from Memcached instance: ['.$e->getMessage().']'); self::$logger->debug('<<get: [false])'); return false; } } /** * (non-PHPdoc) * @see alpha/util/cache/AlphaCacheProviderInterface::set() * @since 1.1 */ public function set($key, $value, $expiry=0) { global $config; try { $memcache = new Memcache(); $memcache->connect($config->get('sysMemcachedHost'), 11211); if($expiry > 0) $memcache->set($key, $value, MEMCACHE_COMPRESSED, $expiry); else $memcache->set($key, $value, MEMCACHE_COMPRESSED); }catch(Exception $e) { self::$logger->error('Error while attempting to store a value to Memcached instance: ['.$e->getMessage().']'); } } /** * (non-PHPdoc) * @see alpha/util/cache/AlphaCacheProviderInterface::delete() * @since 1.1 */ public function delete($key) { global $config; try { $memcache = new Memcache(); $memcache->connect($config->get('sysMemcachedHost'), 11211); $memcache->delete($key); }catch(Exception $e) { self::$logger->error('Error while attempting to remove a value from Memcached instance: ['.$e->getMessage().']'); } } } Documentation generated on Tue, 13 Dec 2011 20:25:32 +0000 by phpDocumentor 1.4.3