first commit

wp-content/plugins/akeebabackupwp/app/Solo/alice/abstract/object.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * @package    solo
+ * @copyright  Copyright (c)2014-2019 Nicholas K. Dionysopoulos / Akeeba Ltd
+ * @license    GNU GPL version 3 or later
+ */
+
+// Protection against direct access
+defined('AKEEBAENGINE') or die();
+
+/**
+ * The base class of Akeeba Engine objects. Allows for error and warnings logging
+ * and propagation. Largely based on the Joomla! 1.5 JObject class.
+ */
+
+abstract class AliceAbstractObject extends \Akeeba\Engine\Base\BaseObject
+{
+	/**
+	 * Public constructor, makes sure we are instanciated only by the factory class
+	 */
+	public function __construct()
+	{
+        // @TODO what about removing this check?
+		// Assisted Singleton pattern
+		if(function_exists('debug_backtrace'))
+		{
+			$caller=debug_backtrace();
+			if(
+				($caller[1]['class'] != 'AliceFactory') &&
+				($caller[2]['class'] != 'AliceFactory') &&
+				($caller[3]['class'] != 'AliceFactory') &&
+				($caller[4]['class'] != 'AliceFactory')
+			) {
+				trigger_error("You can't create direct descendants of ".__CLASS__, E_USER_ERROR);
+			}
+		}
+	}
+}