3 * A factory class for socket registries
5 * @author Roland Haeder <webmaster@shipsimu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2013 Hub Developer Team
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.shipsimu.org
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 class DatabaseWrapperFactory extends ObjectFactory {
26 * Returns a singleton socket registry instance. If an instance is found in
27 * the registry it will be returned, else a new instance is created and
28 * stored in the same registry entry.
30 * @return $wrapperInstance A database wrapper instance
32 public static final function createWrapperByConfiguredName ($wrapperName) {
33 // Get registry instance
34 $registryInstance = Registry::getRegistry();
36 // Do we have an instance in the registry?
37 if ($registryInstance->instanceExists($wrapperName)) {
38 // Then use this instance
39 $wrapperInstance = $registryInstance->getInstance($wrapperName);
41 // Get the registry instance
42 $wrapperInstance = self::createObjectByConfiguredName($wrapperName);
44 // Set the instance in registry for further use
45 $registryInstance->addInstance($wrapperName, $wrapperInstance);
48 // Return the instance
49 return $wrapperInstance;
53 * Protected constructor
57 protected function __construct () {
58 // Call parent constructor
59 parent::__construct(__CLASS__);