diff options
Diffstat (limited to 'demos/time-tracker/protected/app/DaoManager.php')
| -rw-r--r-- | demos/time-tracker/protected/app/DaoManager.php | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/demos/time-tracker/protected/app/DaoManager.php b/demos/time-tracker/protected/app/DaoManager.php new file mode 100644 index 00000000..b8ac55af --- /dev/null +++ b/demos/time-tracker/protected/app/DaoManager.php @@ -0,0 +1,126 @@ +<?php
+/**
+ * DaoManager class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $ $16/07/2006: $
+ * @package Demos
+ */
+
+/**
+ * DaoManager class.
+ *
+ * A Registry for Dao and an implementation of that type.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Revision: $ $16/07/2006: $
+ * @package Demos
+ * @since 3.1
+ */
+class DaoManager extends TModule
+{
+ /**
+ * @var TSqlMapper sqlmap client
+ */
+ private $_connection;
+ /**
+ * @var boolean if the module has been initialized
+ */
+ private $_initialized=false;
+ /**
+ * @var array registered list of dao
+ */
+ private $_dao=array();
+ /**
+ * Initializes the module.
+ * This method is required by IModule and is invoked by application.
+ * It loads dao information from the module configuration.
+ * @param TXmlElement module configuration
+ */
+ public function init($config)
+ {
+ if($this->_connection === null)
+ throw new TimeTrackerException('daomanager_connection_required');
+ $app = $this->getApplication();
+ if(is_string($this->_connection))
+ {
+ if(($conn=$app->getModule($this->_connection)->getClient())===null)
+ throw new TimeTrackerException('daomanager_undefined_connection',$this->_connection);
+ if(!($conn instanceof TSqlMapper))
+ throw new TimeTrackerException('daomanager_invalid_connection', $this->_connection);
+ $this->_connection = $conn;
+ }
+ $this->includeDaoImplementation($config->getElementsByTagName('dao'));
+ $this->_initialized = true;
+ }
+
+ /**
+ * Register the dao type and implementation class names.
+ * @param array list of TXmlDocument nodes.
+ */
+ protected function includeDaoImplementation($nodes)
+ {
+ foreach($nodes as $node)
+ {
+ $id = $node->getAttribute('id');
+ $class = $node->getAttribute('class');
+ $this->_dao[$id] = array('class' => $class);
+ }
+ }
+
+ /**
+ * @return array list of registered Daos
+ */
+ public function getDaos()
+ {
+ return $this->_dao;
+ }
+
+ /**
+ * Returns an implementation of a Dao type, implements the Registery
+ * pattern. Multiple calls returns the same Dao instance.
+ * @param string Dao type to find.
+ * @return object instance of the Dao implementation.
+ */
+ public function getDao($class)
+ {
+ if(isset($this->_dao[$class]))
+ {
+ if(!isset($this->_dao[$class]['instance']))
+ {
+ $dao = Prado::createComponent($this->_dao[$class]['class']);
+ $dao->setConnection($this->getConnection());
+ $this->_dao[$class]['instance'] = $dao;
+ }
+ return $this->_dao[$class]['instance'];
+ }
+ else
+ throw TimeTrackerException('daomanager_undefined_dao', $class);
+ }
+
+ /**
+ * @return TSqlMapper sqlmap client instance
+ */
+ public function getConnection()
+ {
+ return $this->_connection;
+ }
+
+ /**
+ * Sets the connection for all Daos registered.
+ * @param string|TSqlMapper sqlmap client module id or TSqlMapper instance.
+ */
+ public function setConnection($client)
+ {
+ if($this->_initialized)
+ throw new TimeTrackerException('daomanager_unchangeable');
+ if(!is_string($client) && !($client instanceof TSqlMapper))
+ throw new TConfigurationException('daomanager_invalid_connection',$client);
+ $this->_connection = $client;
+ }
+}
+
+?>
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