application/hub/main/tasks/network/class_NetworkPackageWriterTask.php

   1 <?php
   2 /**
   3  * A NetworkPackageWriter task
   4  *
   5  * @author              Roland Haeder <webmaster@ship-simu.org>
   6  * @version             0.0.0
   7  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009, 2010 Hub Developer Team
   8  * @license             GNU GPL 3.0 or any newer version
   9  * @link                http://www.ship-simu.org
  10  *
  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.
  15  *
  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.
  20  *
  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/>.
  23  */
  24 class NetworkPackageWriterTask extends BaseTask implements Taskable, Visitable {
  25         /**
  26          * Protected constructor
  27          *
  28          * @return      void
  29          */
  30         protected function __construct () {
  31                 // Call parent constructor
  32                 parent::__construct(__CLASS__);
  33         }
  34
  35         /**
  36          * Creates an instance of this class
  37          *
  38          * @return      $taskInstance   An instance of a Visitable class
  39          */
  40         public static final function createNetworkPackageWriterTask () {
  41                 // Get new instance
  42                 $taskInstance = new NetworkPackageWriterTask();
  43
  44                 // Return the prepared instance
  45                 return $taskInstance;
  46         }
  47
  48         /**
  49          * Accepts the visitor to process the visit "request"
  50          *
  51          * @param       $visitorInstance        An instance of a Visitor class
  52          * @return      void
  53          */
  54         public function accept (Visitor $visitorInstance) {
  55                 // Visit this task
  56                 $visitorInstance->visitTask($this);
  57         }
  58
  59         /**
  60          * Executes the task
  61          *
  62          * @return      void
  63          */
  64         public function executeTask () {
  65                 // Get a singleton network package instance
  66                 $packageInstance = NetworkPackageFactory::createNetworkPackageInstance();
  67
  68                 // Do we have something to deliver?
  69                 if ($packageInstance->isPackageEnqueued()) {
  70                         // Okay, then deliver (better discover its recipients) this package
  71                         $packageInstance->declareEnqueuedPackage();
  72                 } elseif ($packageInstance->isPackageDeclared()) {
  73                         // Prepare package for delivery
  74                         $packageInstance->deliverDeclaredPackage();
  75                 } elseif ($packageInstance->isPackageWaitingDelivery()) {
  76                         // Sent it finally out
  77                         $packageInstance->sendWaitingPackage();
  78                 }
  79         }
  80 }
  81
  82 // [EOF]
  83 ?>