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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Application
* @subpackage Resource
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Db.php 18951 2009-11-12 16:26:19Z alexander $
*/
/**
* Resource for creating database adapter
*
* @uses Zend_Application_Resource_ResourceAbstract
* @category Zend
* @package Zend_Application
* @subpackage Resource
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Application_Resource_Db extends Zend_Application_Resource_ResourceAbstract
{
/**
* Adapter to use
*
* @var string
*/
protected $_adapter = null;
/**
* @var Zend_Db_Adapter_Interface
*/
protected $_db;
/**
* Parameters to use
*
* @var array
*/
protected $_params = array();
/**
* Wether to register the created adapter as default table adapter
*
* @var boolean
*/
protected $_isDefaultTableAdapter = true;
/**
* Set the adapter
*
* @param $adapter string
* @return Zend_Application_Resource_Db
*/
public function setAdapter($adapter)
{
$this->_adapter = $adapter;
return $this;
}
/**
* Adapter type to use
*
* @return string
*/
public function getAdapter()
{
return $this->_adapter;
}
/**
* Set the adapter params
*
* @param $adapter string
* @return Zend_Application_Resource_Db
*/
public function setParams(array $params)
{
$this->_params = $params;
return $this;
}
/**
* Adapter parameters
*
* @return array
*/
public function getParams()
{
return $this->_params;
}
/**
* Set whether to use this as default table adapter
*
* @param boolean $defaultTableAdapter
* @return Zend_Application_Resource_Db
*/
public function setIsDefaultTableAdapter($isDefaultTableAdapter)
{
$this->_isDefaultTableAdapter = $isDefaultTableAdapter;
return $this;
}
/**
* Is this adapter the default table adapter?
*
* @return void
*/
public function isDefaultTableAdapter()
{
return $this->_isDefaultTableAdapter;
}
/**
* Retrieve initialized DB connection
*
* @return null|Zend_Db_Adapter_Interface
*/
public function getDbAdapter()
{
if ((null === $this->_db)
&& (null !== ($adapter = $this->getAdapter()))
) {
$this->_db = Zend_Db::factory($adapter, $this->getParams());
}
return $this->_db;
}
/**
* Defined by Zend_Application_Resource_Resource
*
* @return Zend_Db_Adapter_Abstract|null
*/
public function init()
{
if (null !== ($db = $this->getDbAdapter())) {
if ($this->isDefaultTableAdapter()) {
Zend_Db_Table::setDefaultAdapter($db);
}
return $db;
}
}
}
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