3 * A KeyProducer task for crunchers
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2011 Hub Developer Team
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.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 CruncherKeyProducerTask extends BaseTask implements Taskable, Visitable {
26 * Protected constructor
30 protected function __construct () {
31 // Call parent constructor
32 parent::__construct(__CLASS__);
36 * Creates an instance of this class
38 * @return $taskInstance An instance of a Taskable/Visitable class
40 public final static function createCruncherKeyProducerTask () {
42 $taskInstance = new CruncherKeyProducerTask();
44 // Return the prepared instance
49 * Accepts the visitor to process the visit "request"
51 * @param $visitorInstance An instance of a Visitor class
53 * @todo Maybe visit some sub-objects
55 public function accept (Visitor $visitorInstance) {
57 $visitorInstance->visitTask($this);
65 public function executeTask () {
66 // First we check if we already have an instance (which will happen at any later cyclus)
67 if (!Registry::getRegistry()->instanceExists('key_producer')) {
68 // No instance found, so we need to create a producer instance
69 $producerInstance = ObjectFactory::createObjectByConfiguredName('cruncher_key_producer_class');
71 // ... and add it to the registry
72 Registry::getRegistry()->addInstance('key_producer', $producerInstance);
74 // Get the producer instance from registry
75 $producerInstance = Registry::getRegistry()->getInstance('key_producer');
78 // Get the current cruncher state from registry
79 $stateInstance = Registry::getRegistry()->getInstance('cruncher')->getStateInstance();
82 //* DEBUG: */ $this->debugOutput('TASK: Executing stateInstance=' . $stateInstance->__toString());
84 // We can now invoke that state instance and pass our producer instance for generating some test units
85 $stateInstance->executeState($producerInstance);