3 namespace CoreFramework\Registry\Generic;
5 // Import framework stuff
6 use CoreFramework\Registry\BaseRegistry;
7 use CoreFramework\Registry\Register;
10 * A registry for several data types and objects. Objects should be added by
11 * addInstance() and therefore must implement the interface Registerable.
13 * @author Roland Haeder <webmaster@shipsimu.org>
15 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
16 * @license GNU GPL 3.0 or any newer version
17 * @link http://www.shipsimu.org
19 * This program is free software: you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation, either version 3 of the License, or
22 * (at your option) any later version.
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
32 class Registry extends BaseRegistry implements Register {
34 * Instance of this class
36 private static $registryInstance = NULL;
39 * Protected constructor
43 protected function __construct () {
44 // Call parent constructor
45 parent::__construct(__CLASS__);
49 * Singleton getter for self instance. This class has no factory pattern
50 * because here is no need for special parameters.
52 * @return $registryInstance Instance of this class
54 public static final function getRegistry () {
55 // Is an instance there?
56 if (is_null(self::$registryInstance)) {
57 // Not yet, so create one
58 self::$registryInstance = new Registry();
61 // Return the instance
62 return self::$registryInstance;