* A registry for several data types
*
* @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.3.0
- * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
* @license GNU GPL 3.0 or any newer version
- * @link http://www.mxchange.org
+ * @link http://www.ship-simu.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-class Registry extends BaseFrameworkSystem {
+class Registry extends BaseFrameworkSystem implements Register {
/**
* Instance of this class
*/
private static $selfInstance = null;
+ /**
+ * Wether the registry is initialized
+ */
+ private static $initialized = false;
+
+ /**
+ * Instance registry
+ */
+ private $instanceRegistry = array();
+
/**
* Protected constructor
*
// Call parent constructor
parent::__construct(__CLASS__);
- // Set part description
- $this->setObjectDescription("Registry class");
-
- // Create unique ID number
- $this->createUniqueID();
-
// Clean up a little
$this->removeNumberFormaters();
$this->removeSystemArray();
*
* @return $selfInstance Instance of this class
*/
- public final static function getInstance () {
+ public final static function getRegistry () {
// Is an instance there?
if (is_null(self::$selfInstance)) {
// Not yet, so create one
// Return the instance
return self::$selfInstance;
}
+
+ /**
+ * Checks or sets wether the registry has been initialized. This had only be done once
+ *
+ * @param $initialized Wether the registry is initialized
+ * @return $initialized Wether the registry is initialized
+ */
+ public final static function isInitialized ($initialized = null) {
+ if (is_null($initialized)) {
+ // Get status if initialized
+ return self::$initialized;
+ } elseif (!is_null($initialized)) {
+ // Registry is initialized!
+ self::$initialized = true;
+ }
+ }
+
+ /**
+ * Checks wether an instance key was found
+ *
+ * @param $instanceKey The key holding an instance in registry
+ * @return $exists Wether the key exists in registry
+ */
+ public function instanceExists ($instanceKey) {
+ // Does this key exists?
+ $exists = (isset($this->instanceRegistry[$instanceKey]));
+
+ // Return the result
+ return $exists;
+ }
+
+ /**
+ * Adds/overwrites a new instance to the registry at the given key
+ *
+ * @param $instanceKey The key to identify the instance
+ * @param $objectInstance An instance we shall store
+ * @return void
+ */
+ public function addInstance ($instanceKey, Registerable $objectInstance) {
+ $this->instanceRegistry[$instanceKey] = $objectInstance;
+ }
+
+ /**
+ * Gets a registered instance or null if not found
+ *
+ * @param $instanceKey The key to identify the instance
+ * @return $objectInstance An instance we shall store
+ */
+ public function getInstance ($instanceKey) {
+ // By default the instance is not in registry
+ $objectInstance = null;
+
+ // Is the instance there?
+ if ($this->instanceExists($instanceKey)) {
+ $objectInstance = $this->instanceRegistry[$instanceKey];
+ }
+
+ // Return the result
+ return $objectInstance;
+ }
}
// [EOF]