application/city/classes/factories/manager/class_ManagerFactory.php

   1 <?php
   2 // Own namespace
   3 namespace Org\Mxchange\City\Factory\Manager;
   4
   5 // Import framework stuff
   6 use Org\Mxchange\CoreFramework\Factory\ObjectFactory;
   7
   8 /**
   9  * A factory class for managers
  10  *
  11  * @author              Roland Haeder <webmaster@ship-simu.org>
  12  * @version             0.0.0
  13  * @copyright   Copyright (c) 2015, 2016 City Developer Team
  14  * @license             GNU GPL 3.0 or any newer version
  15  * @link                http://www.ship-simu.org
  16  *
  17  * This program is free software: you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License as published by
  19  * the Free Software Foundation, either version 3 of the License, or
  20  * (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License
  28  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  29  */
  30 class ManagerFactory extends ObjectFactory {
  31         /**
  32          * Protected constructor
  33          *
  34          * @return      void
  35          */
  36         protected function __construct () {
  37                 // Call parent constructor
  38                 parent::__construct(__CLASS__);
  39         }
  40
  41         /**
  42          * Returns a singleton (registry-based) ManageableFoo instance
  43          *
  44          * @param       $type                           Type of manager to return
  45          * @return      $managerInstance        An instance of a ManageableFoo class
  46          */
  47         public static final function createManagerByType ($type) {
  48                 // Get new factory instance
  49                 $factoryInstance = new ManagerFactory();
  50
  51                 // Generate key
  52                 $key = $type . '_manager';
  53
  54                 // If there is no handler?
  55                 if (Registry::getRegistry()->instanceExists($key)) {
  56                         // Get handler from registry
  57                         $managerInstance = Registry::getRegistry()->getInstance($key);
  58                 } else {
  59                         // Get the proper manager instance
  60                         $managerInstance = ObjectFactory::createObjectByConfiguredName($key . '_class');
  61
  62                         // Add it to the registry
  63                         Registry::getRegistry()->addInstance($key, $managerInstance);
  64                 }
  65
  66                 // Return the instance
  67                 return $managerInstance;
  68         }
  69 }