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libraries/joomla/base/adapterinstance.php

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+<?php
+/**
+ * @package     Joomla.Platform
+ * @subpackage  Base
+ *
+ * @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;
+
+/**
+ * Adapter Instance Class
+ *
+ * @package     Joomla.Platform
+ * @subpackage  Base
+ * @since       11.1
+ */
+class JAdapterInstance extends JObject
+{
+	/**
+	 * Parent
+	 *
+	 * @var    JAdapter
+	 * @since  11.1
+	 */
+	protected $parent = null;
+
+	/**
+	 * Database
+	 *
+	 * @var    JDatabaseDriver
+	 * @since  11.1
+	 */
+	protected $db = null;
+
+	/**
+	 * Constructor
+	 *
+	 * @param   JAdapter         $parent   Parent object
+	 * @param   JDatabaseDriver  $db       Database object
+	 * @param   array            $options  Configuration Options
+	 *
+	 * @since   11.1
+	 */
+	public function __construct(JAdapter $parent, JDatabaseDriver $db, array $options = array())
+	{
+		// Set the properties from the options array that is passed in
+		$this->setProperties($options);
+
+		// Set the parent and db in case $options for some reason overrides it.
+		$this->parent = $parent;
+
+		// Pull in the global dbo in case something happened to it.
+		$this->db = $db ?: JFactory::getDbo();
+	}
+
+	/**
+	 * Retrieves the parent object
+	 *
+	 * @return  JAdapter parent
+	 *
+	 * @since   11.1
+	 */
+	public function getParent()
+	{
+		return $this->parent;
+	}
+}