--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/contacts/symbian/plugin/inc/cntabstractrelationship.h	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** 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 QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef CNTABSTRACTRELATIONSHIP_H
+#define CNTABSTRACTRELATIONSHIP_H
+
+#include <QSet>
+
+#include <qtcontacts.h>
+#include <cntdb.h>
+
+QTM_USE_NAMESPACE
+
+class CntAbstractRelationship
+{
+public: 
+    explicit CntAbstractRelationship(CContactDatabase *contactDatabase, const QString &managerUri, const QString &relationshipType); 
+    virtual ~CntAbstractRelationship();
+    
+public:
+    virtual QList<QContactRelationship> relationshipsL(const QContactId &participantId, QContactRelationship::Role role, QContactManager::Error *error) = 0;
+    virtual bool saveRelationshipL(QSet<QContactLocalId> *affectedContactIds, QContactRelationship *relationship, QContactManager::Error *error) = 0;
+    virtual bool removeRelationshipL(QSet<QContactLocalId> *affectedContactIds, const QContactRelationship &relationship, QContactManager::Error *error) = 0;
+    virtual bool validateRelationship(const QContactRelationship &relationship, QContactManager::Error *error) = 0;
+    QString relationshipType() const;
+
+protected:
+    CContactDatabase *database();
+    QString managerUri();
+    
+private:
+    CContactDatabase *m_contactDatabase;
+    QString m_managerUri;
+    QString m_relationshipType;
+    
+};
+
+#endif