<?php /* * $Id$ * * 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.phpdoctrine.com>. */ /** * Doctrine_Cache_Interface * * @package Doctrine * @subpackage Doctrine_Cache * @license http://www.opensource.org/licenses/lgpl-license.php LGPL * @category Object Relational Mapping * @link www.phpdoctrine.com * @since 1.0 * @version $Revision$ * @author Konsta Vesterinen <kvesteri@cc.hut.fi> */ class Doctrine_Cache_Array implements Countable, Doctrine_Cache_Interface { /** * @var array $data an array of cached data */ protected $data; /** * Test if a cache is available for the given id and (if yes) return it (false else) * * Note : return value is always "string" (unserialization is done by the core not by the backend) * * @param string $id cache id * @param boolean $testCacheValidity if set to false, the cache validity won't be tested * @return string cached datas (or false) */ public function fetch($id, $testCacheValidity = true) { if (isset($this->data[$id])) { return $this->data[$id]; } return null; } /** * Test if a cache is available or not (for the given id) * * @param string $id cache id * @return mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record */ public function contains($id) { return isset($this->data[$id]); } /** * Save some string datas into a cache record * * Note : $data is always saved as a string * * @param string $data data to cache * @param string $id cache id * @param int $lifeTime if != false, set a specific lifetime for this cache record (null => infinite lifeTime) * @return boolean true if no problem */ public function save($id, $data, $lifeTime = false) { $this->data[$id] = $data; } /** * Remove a cache record * * @param string $id cache id * @return boolean true if no problem */ public function delete($id) { unset($this->data[$id]); } /** * Remove all cache record * * @return boolean true if no problem */ public function deleteAll() { $this->data = array(); } /** * count * * @return integer */ public function count() { return count($this->data); } }