application/hub/main/tasks/cruncher/class_CruncherKeyProducerTask.php

   1 <?php
   2 /**
   3  * A KeyProducer task for crunchers
   4  *
   5  * @author              Roland Haeder <webmaster@ship-simu.org>
   6  * @version             0.0.0
   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
  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 CruncherKeyProducerTask 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 Taskable/Visitable class
  39          */
  40         public final static function createCruncherKeyProducerTask () {
  41                 // Get new instance
  42                 $taskInstance = new CruncherKeyProducerTask();
  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          * @todo        Maybe visit some sub-objects
  54          */
  55         public function accept (Visitor $visitorInstance) {
  56                 // Visit this task
  57                 $visitorInstance->visitTask($this);
  58         }
  59
  60         /**
  61          * Executes the task
  62          *
  63          * @return      void
  64          */
  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');
  70
  71                         // ... and add it to the registry
  72                         Registry::getRegistry()->addInstance('key_producer', $producerInstance);
  73                 } else {
  74                         // Get the producer instance from registry
  75                         $producerInstance = Registry::getRegistry()->getInstance('key_producer');
  76                 }
  77
  78                 // Get the current cruncher state from registry
  79                 $stateInstance = Registry::getRegistry()->getInstance('cruncher')->getStateInstance();
  80
  81                 // Debug message
  82                 //* DEBUG: */ $this->debugOutput('TASK: Executing stateInstance=' . $stateInstance->__toString());
  83
  84                 // We can now invoke that state instance and pass our producer instance for generating some test units
  85                 $stateInstance->executeState($producerInstance);
  86         }
  87 }
  88
  89 // [EOF]
  90 ?>