3 * A factory class for socket registries
5 * @author Roland Haeder <webmaster@shipsimu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core 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 * Protected constructor
30 protected function __construct () {
31 // Call parent constructor
32 parent::__construct(__CLASS__);
36 * Returns a singleton socket registry instance. If an instance is found in
37 * the registry it will be returned, else a new instance is created and
38 * stored in the same registry entry.
40 * @return $wrapperInstance A database wrapper instance
42 public static final function createWrapperByConfiguredName ($wrapperName) {
43 // Get registry instance
44 $registryInstance = Registry::getRegistry();
46 // Do we have an instance in the registry?
47 if ($registryInstance->instanceExists($wrapperName)) {
48 // Then use this instance
49 $wrapperInstance = $registryInstance->getInstance($wrapperName);
51 // Get the registry instance
52 $wrapperInstance = self::createObjectByConfiguredName($wrapperName);
54 // Set the instance in registry for further use
55 $registryInstance->addInstance($wrapperName, $wrapperInstance);
58 // Return the instance
59 return $wrapperInstance;