3 * A factory class for producer
5 * @author Roland Haeder <webmaster@shipsimu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2014 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 ProducerFactory extends ObjectFactory {
26 * Protected constructor
30 protected function __construct () {
31 // Call parent constructor
32 parent::__construct(__CLASS__);
36 * Returns a singleton producer instance. If no instance is found, it fill
37 * be generated and stored in registry, else the producer from the
38 * registry will be returned.
40 * @param $configEntry A configuration entry naming the real class' name
41 * @parasm $producerType Type of the producer, can be 'key', 'test_unit', etc.
42 * @return $producerInstance A producer instance
44 public static final function createProducerInstance ($configEntry, $producerType) {
45 // If there is no producer?
46 if (Registry::getRegistry()->instanceExists($producerType . '_producer')) {
47 // Get producer from registry
48 $producerInstance = Registry::getRegistry()->getInstance($producerType . '_producer');
50 // Get the producer instance
51 $producerInstance = self::createObjectByConfiguredName($configEntry);
53 // Add it to the registry
54 Registry::getRegistry()->addInstance($producerType . '_producer', $producerInstance);
57 // Return the instance
58 return $producerInstance;