diff -r 000000000000 -r 876b1a06bc25 src/messaging/qmessagedatacomparator.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/messaging/qmessagedatacomparator.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \namespace QMessageDataComparator
+    \ingroup messaging
+
+    \brief The QMessageDataComparator namespace contains types used in specifying the comparison
+    of MessageStore objects with user-defined values.
+*/
+
+/*!
+    \enum QMessageDataComparator::EqualityComparator
+
+    Defines the comparison operations that can be used to compare data elements 
+    of QMessageManager objects for equality and inequality.
+
+    \value Equal Represents the '==' operator.
+    \value NotEqual Represents the '!=' operator.
+*/
+
+/*!
+    \enum QMessageDataComparator::InclusionComparator
+
+    Defines the comparison operations that can be used to compare data elements 
+    of QMessageManager objects for inclusion or exclusion.
+
+    \value Includes Represents an operation in which an associated property is tested to 
+                    determine whether it includes a value.
+    \value Excludes Represents an operation in which an associated property is tested to 
+                    determine whether it is equal to the supplied value.
+*/
+
+/*!
+    \enum QMessageDataComparator::RelationComparator
+
+    Defines the comparison operations that can be used to compare data elements 
+    of QMessageManager objects, according to a specific relation.
+
+    \value LessThan Represents the '<' operator.
+    \value LessThanEqual Represents the '<=' operator.
+    \value GreaterThan Represents the '>' operator.
+    \value GreaterThanEqual Represents the '>= operator'.
+*/
+
+/*!
+    \enum QMessageDataComparator::MatchFlag
+
+    This enum describes additional matching criteria when performing a search.
+    
+    \value MatchCaseSensitive   The key should be case sensitive. Not supported on QMF platform.
+    \value MatchFullWord        The key should only match a complete word. Not supported on Windows and QMF platforms.
+*/