Subversion-Projekte lars-tiefland.prado

Revision

Details | Letzte Änderung | Log anzeigen | RSS feed

Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
2 
/**
3 
 * DaoManager class file.
4 
 *
5 
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
6 
 * @link http://www.pradosoft.com/
7 
 * @copyright Copyright &copy; 2005-2006 PradoSoft
8 
 * @license http://www.pradosoft.com/license/
9 
 * @version $Id: DaoManager.php 1578 2006-12-17 22:20:50Z wei $
10 
 * @package Demos
11 
 */
12 
 
13 
Prado::using('System.Data.SqlMap.TSqlMapConfig');
14 
 
15 
/**
16 
 * DaoManager class.
17 
 *
18 
 * A Registry for Dao and an implementation of that type.
19 
 *
20 
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
21 
 * @version $Id: DaoManager.php 1578 2006-12-17 22:20:50Z wei $
22 
 * @package Demos
23 
 * @since 3.1
24 
 */
25 
class DaoManager extends TSqlMapConfig
26 
{
27 
	/**
28 
	 * @var array registered list of dao
29 
	 */
30 
	private $_dao=array();
31 
 
32 
	/**
33 
	 * Initializes the module.
34 
	 * This method is required by IModule and is invoked by application.
35 
	 * It loads dao information from the module configuration.
36 
	 * @param TXmlElement module configuration
37 
	 */
38 
	public function init($xml)
39 
	{
40 
		parent::init($xml);
41 
		foreach($xml->getElementsByTagName("dao") as $node)
42 
		{
43 
			$this->_dao[$node->getAttribute('id')] =
44 
				array('class' => $node->getAttribute('class'));
45 
		}
46 
	}
47 
 
48 
	/**
49 
	 * @return array list of registered Daos
50 
	 */
51 
	public function getDaos()
52 
	{
53 
		return $this->_dao;
54 
	}
55 
 
56 
	/**
57 
	 * Returns an implementation of a Dao type, implements the Registery
58 
	 * pattern. Multiple calls returns the same Dao instance.
59 
	 * @param string Dao type to find.
60 
	 * @return object instance of the Dao implementation.
61 
	 */
62 
	public function getDao($class)
63 
	{
64 
		if(isset($this->_dao[$class]))
65 
		{
66 
			if(!isset($this->_dao[$class]['instance']))
67 
			{
68 
				$dao = Prado::createComponent($this->_dao[$class]['class']);
69 
				$dao->setSqlMap($this->getClient());
70 
				$this->_dao[$class]['instance'] = $dao;
71 
			}
72 
			return $this->_dao[$class]['instance'];
73 
		}
74 
		else
75 
			throw new TimeTrackerException('daomanager_undefined_dao', $class);
76 
	}
77 
}
78 
 
79 
?>