+++ /dev/null
-<?php
-/**
- * A registry for several data types
- *
- * @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 Registry extends BaseFrameworkSystem implements Register {
- /**
- * Instance of this class
- */
- private static $selfInstance = null;
-
- /**
- * Wether the registry is initialized
- */
- private static $initialized = false;
-
- /**
- * Instance registry
- */
- private $instanceRegistry = array();
-
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct () {
- // Call parent constructor
- parent::__construct(__CLASS__);
-
- // Clean up a little
- $this->removeNumberFormaters();
- $this->removeSystemArray();
- }
-
- /**
- * Singleton getter for self instance
- *
- * @return $selfInstance Instance of this class
- */
- public final static function getRegistry () {
- // Is an instance there?
- if (is_null(self::$selfInstance)) {
- // Not yet, so create one
- self::$selfInstance = new Registry();
- }
-
- // Return the instance
- return self::$selfInstance;
- }
-
- /**
- * Checks or sets wether the registry has been initialized. This had only be done once
- *
- * @param $initialized Wether the registry is initialized
- * @return $initialized Wether the registry is initialized
- */
- public final static function isInitialized ($initialized = null) {
- if (is_null($initialized)) {
- // Get status if initialized
- return self::$initialized;
- } elseif (!is_null($initialized)) {
- // Registry is initialized!
- self::$initialized = true;
- }
- }
-
- /**
- * Checks wether an instance key was found
- *
- * @param $instanceKey The key holding an instance in registry
- * @return $exists Wether the key exists in registry
- */
- public function instanceExists ($instanceKey) {
- // Does this key exists?
- $exists = (isset($this->instanceRegistry[$instanceKey]));
-
- // Return the result
- return $exists;
- }
-
- /**
- * Adds/overwrites a new instance to the registry at the given key
- *
- * @param $instanceKey The key to identify the instance
- * @param $objectInstance An instance we shall store
- * @return void
- */
- public function addInstance ($instanceKey, Registerable $objectInstance) {
- $this->instanceRegistry[$instanceKey] = $objectInstance;
- }
-
- /**
- * Gets a registered instance or null if not found
- *
- * @param $instanceKey The key to identify the instance
- * @return $objectInstance An instance we shall store
- */
- public function getInstance ($instanceKey) {
- // By default the instance is not in registry
- $objectInstance = null;
-
- // Is the instance there?
- if ($this->instanceExists($instanceKey)) {
- $objectInstance = $this->instanceRegistry[$instanceKey];
- }
-
- // Return the result
- return $objectInstance;
- }
-}
-
-// [EOF]
-?>