--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javamanager/javainstaller/installer/javasrc/com/nokia/mj/impl/installer/utils/PropertyListener.java	Fri Jul 23 12:27:20 2010 +0300
@@ -0,0 +1,37 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+package com.nokia.mj.impl.installer.utils;
+
+/**
+ * Interface for listening property value changes.
+ *
+ * @see PropertyProvider
+ */
+public interface PropertyListener
+{
+    /**
+     * Called when property value is changed.
+     * This method must return quickly.
+     *
+     * @param aCategory property category
+     * @param aKey property key
+     * @param aValue property value
+     */
+    public void valueChanged(int aCategory, int aKey, int aValue);
+}