/*

* Copyright (c) 2005 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:  AdapterLog header

*

*/

#ifndef NSMLADAPTERLOG_H

#define NSMLADAPTERLOG_H

//  INCLUDES

#include <f32file.h>

#include <d32dbms.h>

#include <SmlDataSyncDefs.h>

// CONSTANTS

// Default drive, where adapter log is stored

const TInt KNSmlAdapterLogDrive = EDriveC;

// Dictionary stores' filenames

// These are store to private path of process

_LIT(KNSmlAdapterLogStore, "nsmladapterlog%d.dat");

// Database name

// This is stored to DBMS server

_LIT(KNSmlAdapterLogDbName, "c:nsmladapterlog.db");

// Database tables

_LIT(KNSmlTableAdapterLog, "AdapterLog");

// AdapterLog table columns

_LIT(KNSmlAdapterLogId, "Id");

_LIT(KNSmlAdapterLogImplementationUID, "ImplementationUID");

_LIT(KNSmlAdapterLogLocalDatabase, "LocalDatabase");

_LIT(KNSmlAdapterLogServerId, "ServerId");

_LIT(KNSmlAdapterLogRemoteDatabase, "RemoteDatabase");

// SQL query

_LIT(KSqlGetAdapterLogRow, "SELECT * FROM AdapterLog WHERE ImplementationUID \

= %d AND LocalDatabase = '%S' AND ServerId = '%S' AND RemoteDatabase = '%S'" );

// row from known server id

_LIT(KSqlGetAdapterLogRowFromServerId, "SELECT * FROM AdapterLog WHERE ServerId = '%S'" );

// FORWARD DECLARATIONS

class CDictionaryStore;

// CLASS DECLARATION

/**

*  CNSmlAdapterLog.

*

*  @lib NSmlAdapterLog.lib

*  @since Series 60 3.0 

*/

class CNSmlAdapterLog : public CBase, public MSmlSyncRelationship

    {

    public:  // Constructors and destructor

        /**

        * Creates a new instance of the CNSmlAdapterLog class.

        * The method also creates the AdapterLog database if it does not

        * exist.

        */

        IMPORT_C static CNSmlAdapterLog* NewL();

        /**

        * Creates a new instance of the CNSmlAdapterLog class. Method

        * pushes and leaves the created instance on the cleanup stack.

        * The method also creates the AdapterLog database if it does not

        * exist.

        */

        IMPORT_C static CNSmlAdapterLog* NewLC();

        /**

        * Destructor.

        */

        ~CNSmlAdapterLog();

    public: // New functions

        /**

        * Sets the adapter log key with given values.

        * @param aImplUid Implementation UID.

        * @param aLocalDB Local database name.

        * @param aServerId Remote server ID.

        * @param Remote database name.

        */

        IMPORT_C void SetAdapterLogKeyL(const TInt aImplUid,

                                        const TDesC& aLocalDB,

                                        const TDesC& aServerId,

                                        const TDesC& aRemoteDB);

		/**

		* Replaces the give old server ID with new one.

        * @param aOldServerId Old remote server ID.

		* @param aNewValue New remote server ID.

		*/

		IMPORT_C void SetServerIdL( TDesC& aOldServerId, TDesC& aNewValue );

    public: // Functions from base classes

      	/**

      	* From MSmlSyncRelationship. Returns the unique identifier for the

      	* synchronisation relationship.

      	* @return Unique synchronisation task key.

        */

        IMPORT_C TSmlSyncTaskKey SyncTaskKey() const;

        /**

        * From MSmlSyncRelationship. Opens a specified stream for reading, and

        * places an item on the cleanup stack to close it.

        * @param aReadStream Stream to be opened for reading.

        * @param aStreamUid UID specifying the stream.

		*/

		IMPORT_C void OpenReadStreamLC(RReadStream& aReadStream,

		                               TUid aStreamUid);

		/**

		* From MSmlSyncRelationship. 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 Stream to be opened for writing.

		* @param aStreamUid UID specifying the stream.

		*/

		IMPORT_C void OpenWriteStreamLC(RWriteStream& aWriteStream,

		                                TUid aStreamUid);

		/**

		* From MSmlSyncRelationship. Tests if the specified stream identified

		* exists in the store.

		* @param aStreamUid UID specifying the stream.

		* @return ETrue, if specified stream is present.

		*/

		IMPORT_C TBool IsStreamPresentL(TUid aStreamUid) const;

    private:

        /**

        * C++ default constructor.

        */

        CNSmlAdapterLog();

        /**

        * Symbian 2nd phase constructor.

        */

        void ConstructL();

        void CreateDatabaseL(const TDesC& aFullName);

        TInt GenerateIdL();

        void OpenDictionaryStoreL();

    private:    // Data

        TInt iID;

        RDbNamedDatabase iDatabase;

        RFs iFsSession;

        RDbs iRdbSession;

        RDbTable iTable;

        CDbColSet* iColSet;

        RDbView iView;

        CDictionaryStore* iDictionaryStore;

        HBufC* iPath;

        static const TInt KMaxPathLength = 256;

    };

#endif      // NSMLADAPTERLOG_H   

// End of File