/*

* Copyright (c) 2002-2006 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:  TNssVasDbCreator is responsible for creating VasDatabase.db.

*

*/

#ifndef TNSSVASDBCREATOR_H

#define TNSSVASDBCREATOR_H

#include <e32base.h>

#include <e32std.h>

#include <e32cons.h>

#include <s32file.h>

#include <d32dbms.h>

#include "nssvasdbkonsts.h"

#include "nssvascvasdbsrvdef.h"

// CLASS DECLARATION

/**

*

*  The TNssVasDbCreator class definition. 

* 

*  @lib VASInternal.lib

*  @since 2.0

*/

class TNssVasDbCreator

{

public:

	/**

    * Constructor 

    * @since 2.0

    * @param 

    * @return 

    */

	TNssVasDbCreator();

	/**

    * Method to create vasdatabase.db and its tables 

    * @since 2.0

    * @param "RDbs& iDbSession" Database session handle

    * @return none

    */

	void CreateVasDatabaseL( RDbs& iDbSession );

private:

    /**

    * Creates the tables and indices of the database

    */

	void CreateTablesAndIndiciesL( RDbNamedDatabase& aDatabase );

    /**

    * Creates the context table

    */

	void CreateContextTableL( RDbNamedDatabase& aDatabase );

    /**

    * Creates the index of the context table

    */

	void CreateContextIndexL( RDbNamedDatabase& aDatabase );

    /**

    * Creates the tag table

    */

    void CreateTagTableL( RDbNamedDatabase& aDatabase );

    /**

    * Creates the index of the tag table

    */

	void CreateTagIndexL( RDbNamedDatabase& aDatabase );

    /**

    * Creates the RRD table

    */

    void CreateRRDTableL( RDbNamedDatabase& aDatabase );

    /**

    * Creates indeices for RRD tables

    */

    void CreateRRDIndexL( RDbNamedDatabase& aDatabase );

    /**

    * Creates the write lock table

    */

    void CreateWriteLockTableL( RDbNamedDatabase& aDatabase );

    /**

    * Creates index for a given table and column. Leaves if creation fails.

    * Leave codes are the same as error codes in RDbNamedDatabase::CreateIndex + 

    * general out of memory

    * @param anIndexName Name of the index to create

    * @param aColumnName Name of the column to index on

    * @param aUnique ETrue if index should be unique, EFalse otherwise

    * @param aTableName Name of the table for which the index should be created

    */

    void CreateSingleColumnIndexL( RDbNamedDatabase& aDatabase, const TDesC& anIndexName,

                 const TDesC& aColumnName, const TBool aUnique, const TDesC& aTableName);

    /**

    * Creates index for a given table and columns. Leaves if creation fails.

    * Leave codes are the same as error codes in RDbNamedDatabase::CreateIndex + 

    * general out of memory

    * @param anIndexName Name of the index to create

    * @param aFirstColumnName Name of the first column to index on

    * @param aSecondColumnName Name of the second column to index on

    * @param aUnique ETrue if index should be unique, EFalse otherwise

    * @param aTableName Name of the table for which the index should be created

    */

    void CreateTwoColumnIndexL( const TDesC& anIndexName, 

                                const TDesC& aFirstColumnName, 

                                const TDesC& aSecondColumnName, 

                                const TBool aUnique, const TDesC& aTableName);

};

#endif // TVASDBCREATOR_H