/*

* Copyright (c) 2009 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:  CSconSyncRelationship header

*

*/

#ifndef SCONSYNCRELATIONSHIP_H_

#define SCONSYNCRELATIONSHIP_H_

#include <e32base.h>

#include <f32file.h> 

#include <s32file.h>

#include <syncml/smldatasyncdefs.h>

#include <syncmldef.h>

class CDictionaryFileStore;

NONSHARABLE_CLASS ( CSconSyncRelationship ) : public CBase, public MSmlSyncRelationship

    {

public:

    /**

     * Creates CSconSyncRelationship object.

     * @param   aFs             reference to open RFs connection

     * @param   aRelationUid    uniqueID for each server-client pair

     * @return new CSconSyncRelationship object

     */

    static CSconSyncRelationship* NewL( RFs& aFs, TUid aRelationUid, TSmlDataProviderId aProviderId );

	~CSconSyncRelationship();

	static void SetTimeStampL( RFs& aFs, TUid aRelationUid, TSmlDataProviderId aId );

	static void GetTimeStampL( RFs& aFs, TUid aRelationUid, TSmlDataProviderId aId, TDateTime& aTimeStamp );

public: // From MSmlSyncRelationship

	/**

     * Returns the unique identifier for the synchronisation relationship.

     *

     * @return             A unique identifier for the sync relationship.

     */

    TSmlSyncTaskKey SyncTaskKey() const;

    /**

     * Opens a specified stream for reading, and places an item on the cleanup stack to close it.

     *

     * @param               aReadStream    On return, an open read stream

     * @param               aStreamUid     The UID of the stream to open for reading.

     */

    void OpenReadStreamLC(RReadStream& aReadStream, TUid aStreamUid);

    /**

     * Opens the specified stream, or creates a new one if it does not exist, and places an item on the cleanup stack to close it.

     *

     * @param              aWriteStream    On return, an open write stream

     * @param              aStreamUid      The UID of the stream to open or create

     */

    void OpenWriteStreamLC(RWriteStream& aWriteStream, TUid aStreamUid);

    /**

     * Tests if the specified stream identified exists in the store.

     *

     * @param              aStreamUid The stream UID

     * @return             Non-zero if the stream exists, otherwise EFalse.

     */

    TBool IsStreamPresentL(TUid aStreamUid) const;

private:

	CSconSyncRelationship( RFs& aFs, TUid aRelationUid, TSmlDataProviderId aProviderId );

	void ConstructL();

private:

	CDictionaryFileStore* iDictionaryStore;

	RFs&   iFs;

	TUid   iID;

	TSmlDataProviderId iProviderId;

    };

#endif /*SCONSYNCRELATIONSHIP_H_*/