3 * A PackageDecoder node-task
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 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 NodePackageDecoderTask 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 createNodePackageDecoderTask () {
42 $taskInstance = new NodePackageDecoderTask();
44 // Get a chunk handler instance
45 $handlerInstance = ChunkHandlerFactory::createChunkHandlerInstance();
47 // Get the stacker from it, we don't need the handler here
48 $stackerInstance = $handlerInstance->getStackerInstance();
50 // Get a decoder instance
51 $decoderInstance = ObjectFactory::createObjectByConfiguredName('package_decoder_class', array($stackerInstance));
53 // ... and also set the decoder instance here
54 $taskInstance->setDecoderInstance($decoderInstance);
56 // Return the prepared instance
61 * Accepts the visitor to process the visitor
63 * @param $visitorInstance An instance of a Visitor class
66 public function accept (Visitor $visitorInstance) {
68 $visitorInstance->visitTask($this);
76 public function executeTask () {
77 // "Cache" decoder instance
78 $decoderInstance = $this->getDecoderInstance();
80 // Check if the stacker has some entries left
81 if ($decoderInstance->ifUnhandledRawPackageDataLeft()) {
83 $decoderInstance->handleRawPackageData();
84 } elseif ($decoderInstance->ifDeocedPackagesLeft()) {
85 // Some decoded packages have arrived (for this peer)
86 $decoderInstance->handleDecodedPackage();