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redir/includes/kohana/modules/database/classes/Kohana/Model/Database.php
2013-04-13 16:36:38 +10:00

64 lines
1.3 KiB
PHP

<?php defined('SYSPATH') OR die('No direct script access.');
/**
* Database Model base class.
*
* @package Kohana/Database
* @category Models
* @author Kohana Team
* @copyright (c) 2008-2012 Kohana Team
* @license http://kohanaframework.org/license
*/
abstract class Kohana_Model_Database extends Model {
/**
* Create a new model instance. A [Database] instance or configuration
* group name can be passed to the model. If no database is defined, the
* "default" database group will be used.
*
* $model = Model::factory($name);
*
* @param string $name model name
* @param mixed $db Database instance object or string
* @return Model
*/
public static function factory($name, $db = NULL)
{
// Add the model prefix
$class = 'Model_'.$name;
return new $class($db);
}
// Database instance
protected $_db;
/**
* Loads the database.
*
* $model = new Foo_Model($db);
*
* @param mixed $db Database instance object or string
* @return void
*/
public function __construct($db = NULL)
{
if ($db)
{
// Set the instance or name
$this->_db = $db;
}
elseif ( ! $this->_db)
{
// Use the default name
$this->_db = Database::$default;
}
if (is_string($this->_db))
{
// Load the database
$this->_db = Database::instance($this->_db);
}
}
} // End Model