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libraries/joomla/model/database.php

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+<?php
+/**
+ * @package     Joomla.Platform
+ * @subpackage  Model
+ *
+ * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE
+ */
+
+defined('JPATH_PLATFORM') or die;
+
+/**
+ * Joomla Platform Database Model Class
+ *
+ * @package     Joomla.Platform
+ * @subpackage  Model
+ * @since       12.1
+ */
+abstract class JModelDatabase extends JModelBase
+{
+	/**
+	 * The database driver.
+	 *
+	 * @var    JDatabaseDriver
+	 * @since  12.1
+	 */
+	protected $db;
+
+	/**
+	 * Instantiate the model.
+	 *
+	 * @param   JRegistry        $state  The model state.
+	 * @param   JDatabaseDriver  $db     The database adpater.
+	 *
+	 * @since   12.1
+	 */
+	public function __construct(JRegistry $state = null, JDatabaseDriver $db = null)
+	{
+		parent::__construct($state);
+
+		// Setup the model.
+		$this->db = isset($db) ? $db : $this->loadDb();
+	}
+
+	/**
+	 * Get the database driver.
+	 *
+	 * @return  JDatabaseDriver  The database driver.
+	 *
+	 * @since   12.1
+	 */
+	public function getDb()
+	{
+		return $this->db;
+	}
+
+	/**
+	 * Set the database driver.
+	 *
+	 * @param   JDatabaseDriver  $db  The database driver.
+	 *
+	 * @return  void
+	 *
+	 * @since   12.1
+	 */
+	public function setDb(JDatabaseDriver $db)
+	{
+		$this->db = $db;
+	}
+
+	/**
+	 * Load the database driver.
+	 *
+	 * @return  JDatabaseDriver  The database driver.
+	 *
+	 * @since   12.1
+	 */
+	protected function loadDb()
+	{
+		return JFactory::getDbo();
+	}
+}