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[city.git] / application / city / main / filter / task / city / class_CityTaskHandlerInitializerFilter.php
1 <?php
2 /**
3  * A TaskHandlerInitializer filter for hubs
4  *
5  * @author              Roland Haeder <webmaster@shipsimu.org>
6  * @version             0.0.0
7  * @copyright   Copyright (c) 2015 City Developer Team
8  * @license             GNU GPL 3.0 or any newer version
9  * @link                http://www.shipsimu.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 CityTaskHandlerInitializerFilter extends BaseCityFilter implements Filterable {
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 filter class
37          *
38          * @return      $filterInstance         An instance of this filter class
39          */
40         public static final function createCityTaskHandlerInitializerFilter () {
41                 // Get a new instance
42                 $filterInstance = new CityTaskHandlerInitializerFilter();
43
44                 // Return the instance
45                 return $filterInstance;
46         }
47
48         /**
49          * Executes the filter with given request and response objects
50          *
51          * @param       $requestInstance        An instance of a class with an Requestable interface
52          * @param       $responseInstance       An instance of a class with an Responseable interface
53          * @return      void
54          * @throws      FilterChainException    If the filter chain needs to be interrupted
55          * @todo        Add more tasks
56          */
57         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
58                 // Get city instance
59                 $cityInstance = CityObjectFactory::createCityInstance();
60
61                 // Get a new task handler instance
62                 $handlerInstance = ObjectFactory::createObjectByConfiguredName('task_handler_class');
63
64                 // Put the task handler in registry
65                 Registry::getRegistry()->addInstance('task_handler', $handlerInstance);
66
67                 // Prepare a package-tags initialization task for the listeners
68                 //$taskInstance = ObjectFactory::createObjectByConfiguredName('city_package_tags_init_task_class');
69
70                 // Register it
71                 //$handlerInstance->registerTask('package_tags_init', $taskInstance);
72
73                 /*
74                  * Allow extra city-depending tasks, e.g. the bootstrapper city needs
75                  * booting its DHT. DHTs are decentralized and are working on
76                  * peer-to-peer basis.
77                  */
78                 $cityInstance->addExtraTasks($handlerInstance);
79         }
80 }
81
82 // [EOF]
83 ?>