From 42958a55c8d337da43b5bc7abf4e4b2756d45fcf Mon Sep 17 00:00:00 2001
From: Olav Morken <olav.morken@uninett.no>
Date: Thu, 14 Feb 2008 14:39:53 +0000
Subject: [PATCH] Added ModifiedInfo interface, and changed the Session class
to implement this interface.
git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@302 44740490-163a-0410-bde0-09ae8108e29a
---
lib/SimpleSAML/ModifiedInfo.php | 18 ++++++++++++++++++
lib/SimpleSAML/Session.php | 4 +++-
2 files changed, 21 insertions(+), 1 deletion(-)
create mode 100644 lib/SimpleSAML/ModifiedInfo.php
diff --git a/lib/SimpleSAML/ModifiedInfo.php b/lib/SimpleSAML/ModifiedInfo.php
new file mode 100644
index 000000000..9eedc834c
--- /dev/null
+++ b/lib/SimpleSAML/ModifiedInfo.php
@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * The ModifiedInfo interface allows an object to export information about
+ * whether it has been modified since it was deserialized or not.
+ */
+interface SimpleSAML_ModifiedInfo {
+
+ /**
+ * This function is used to determine if this object has changed
+ * since it was deserialized.
+ *
+ * @return TRUE if it has changed, FALSE if not.
+ */
+ public function isModified();
+
+}
+?>
\ No newline at end of file
diff --git a/lib/SimpleSAML/Session.php b/lib/SimpleSAML/Session.php
index a94a5ea86..2fa078b35 100644
--- a/lib/SimpleSAML/Session.php
+++ b/lib/SimpleSAML/Session.php
@@ -6,6 +6,8 @@ require_once('SimpleSAML/Session.php');
require_once('SimpleSAML/SessionHandler.php');
require_once('SimpleSAML/Metadata/MetaDataStorageHandler.php');
require_once('SimpleSAML/Logger.php');
+require_once('SimpleSAML/ModifiedInfo.php');
+
/**
* The Session class holds information about a user session, and everything attached to it.
*
@@ -18,7 +20,7 @@ require_once('SimpleSAML/Logger.php');
* @package simpleSAMLphp
* @version $Id$
*/
-class SimpleSAML_Session {
+class SimpleSAML_Session implements SimpleSAML_ModifiedInfo {
const STATE_ONLINE = 1;
const STATE_LOGOUTINPROGRESS = 2;
--
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