metadataengine/server/inc/mdssqldbmaintenance.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 14 Sep 2010 22:10:25 +0300
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/*
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* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Class for SQL database creation*
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*/
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#ifndef __MDSSQLDBMAINTENANCE_H__
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#define __MDSSQLDBMAINTENANCE_H__
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#include <e32base.h>
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// FORWARD DECLARATIONS
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class CMdSSchema;
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_LIT( KMdsSchemaVersionName, "SchemaVersion" );
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_LIT( KMdsDBVersionName, "DBVersion" );
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// CLASS DECLARATION
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/**
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* Class for validating and creating tables in database.
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*/
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class CMdSSqlDbMaintenance : public CBase
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    {
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    public: // Constructors and destructor
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        virtual ~CMdSSqlDbMaintenance();
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        static CMdSSqlDbMaintenance* NewL();
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        static CMdSSqlDbMaintenance* NewLC();
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    private: // Private constructors
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        CMdSSqlDbMaintenance();
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        void ConstructL( );
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    public: // Personal methods
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        /**
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        * Validates the existence of database
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        * @return ETrue if the database exists, EFalse if needs to be created.
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        */
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        TBool ValidateL();
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        /**
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        * Drops and re-creates tables
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        */
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        void CreateDatabaseL();
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        /**
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        * Does quick check to the existing database to detect obvious corruption
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        */
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        TBool CheckForCorruptionL();
0
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    };
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#endif // __MDSSQLDBMAINTENANCE_H__