3 * A NodeCommunicator task for crawlers
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2014 Crawler 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 CrawlerNodeCommunicatorTask 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 Visitable class
40 public final static function createCrawlerNodeCommunicatorTask () {
42 $taskInstance = new CrawlerNodeCommunicatorTask();
44 // Return the prepared instance
49 * Accepts the visitor to process the visitor
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 // Get the communicator instance
67 $communicatorInstance = CommunicatorFactory::createCommunicatorInstance('crawler_node_communicator_class', 'node');
69 // Get the current crawler state from registry
70 $stateInstance = Registry::getRegistry()->getInstance('crawler')->getStateInstance();
73 /* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('TASK[' . __METHOD__ . ':' . __LINE__ . ']: Executing stateInstance=' . $stateInstance->__toString());
75 // We can now invoke that state instance and pass our communicator instance for generating some test units
76 $stateInstance->executeState($communicatorInstance);
85 public function doShutdown () {
86 self::createDebugInstance(__CLASS__)->debugOutput('TASK[' . __METHOD__ . ':' . __LINE__ . ']: Shutting down...');