+++ /dev/null
-<?php
-/**
- * A simple memory cache (similar to a registry)
- *
- * @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
- * @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class MemoryCache extends BaseFrameworkSystem implements Cacheable {
- /**
- * The "memory cache" is simply a wrapped object array
- */
- private $dataCache = null;
-
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct () {
- // Call parent constructor
- parent::__construct(__CLASS__);
-
- // Clean up a little
- $this->removeNumberFormaters();
- $this->removeSystemArray();
- }
-
- /**
- * Creates an instance of this class
- *
- * @return $cacheInstance An instance of this cache class
- */
- public final static function createMemoryCache () {
- // Get a new instance
- $cacheInstance = new MemoryCache();
-
- // Initialize the cache
- $cacheInstance->initCache();
-
- // Return the prepared instance
- return $cacheInstance;
- }
-
- /**
- * Initialize this cache by creating an object array
- *
- * @return void
- */
- protected function initCache () {
- // Now create the "data cache"
- $this->dataCache = new FrameworkArrayObject('FakedDataCache');
- }
-
- /**
- * Does the specified offset exist in cache?
- *
- * @param $offset The offset we are looking for
- * @return $exists Wether the offset exists
- */
- public final function offsetExists ($offset) {
- $exists = $this->dataCache->offsetExists($offset);
- return $exists;
- }
-
- /**
- * Setter for cache offset
- *
- * @param $offset The offset we shall set
- * @param $data Data to store in cache
- * @return void
- */
- public final function offsetSet ($offset, $data) {
- $this->dataCache->offsetSet($offset, $data);
- }
-
- /**
- * Getter for cache offset or "null" if not found
- *
- * @param $offset The offset we shall set
- * @return $data Data to store in cache
- */
- public final function offsetGet ($offset) {
- // Default is offset not found
- $data = null;
-
- // Is the offset there?
- if ($this->offsetExists($offset)) {
- // Then get the data from it
- $data = $this->dataCache->offsetGet($offset);
- }
-
- // Return data
- return $data;
- }
-}
-
-// [EOF]
-?>