3 * A NetworkPackageWriter task
5 * @author Roland Haeder <webmaster@shipsimu.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.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 NetworkPackageWriterTask 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 static final function createNetworkPackageWriterTask () {
42 $taskInstance = new NetworkPackageWriterTask();
44 // Get a singleton network package instance
45 $packageInstance = NetworkPackageFactory::createNetworkPackageInstance();
47 // And set it in this task
48 $taskInstance->setPackageInstance($packageInstance);
50 // Return the prepared instance
55 * Accepts the visitor to process the visitor
57 * @param $visitorInstance An instance of a Visitor class
59 * @todo Also visit some sub-objects?
61 public function accept (Visitor $visitorInstance) {
63 $visitorInstance->visitTask($this);
71 public function executeTask () {
72 // "Cache" package instance
73 $packageInstance = $this->getPackageInstance();
75 // Do we have something to deliver?
76 if ($packageInstance->isEncodedDataPending()) {
77 // Sent encoded (raw) data
78 $packageInstance->sendEncodedData();
79 } elseif ($packageInstance->isPackageWaitingForDelivery()) {
80 // Sent it finally out
81 $packageInstance->sendWaitingPackage();
82 } elseif ($packageInstance->isPackageDeclared()) {
83 // Prepare package for delivery
84 $packageInstance->processDeclaredPackage();
85 } elseif ($packageInstance->isPackageEnqueued()) {
86 // Okay, then deliver (better discover its recipients) this package
87 $packageInstance->declareEnqueuedPackage();