/*

* Copyright (c) 2002-2007 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: Fast counters for local database

*

*

*/

#ifndef EPOS_CPOSLMLOCALDBFASTCOUNTERS_H_

#define EPOS_CPOSLMLOCALDBFASTCOUNTERS_H_

#include <epos_cposlandmarkdatabaseextended.h>

#include <EPos_CPosLandmarkEncoder.h>

#include <EPos_CPosLandmarkParser.h>

#include <epos_cposlmdiskutilities.h>

#include <epos_mposlmdatabasefastcounters.h>

class CPosLmLocalDbAccess;

class CPosLandmark;

/**

* Fast counters for local database

*/

class CPosLmLocalDbFastCounters : public CBase, public MPosLmDatabaseFastCounters

    {

    public: // Constructors and destructor

        static CPosLmLocalDbFastCounters* NewL( CPosLmLocalDbAccess& aDbAccess );

        /**

        * Destructor.

        */

        ~CPosLmLocalDbFastCounters();

    protected:

        CPosLmLocalDbFastCounters( CPosLmLocalDbAccess& aDbAccess );

    public: // from MPosLmDatabaseFastCounters

        /** Returns total amount of landmarks in the database.

         *  @return Number of landmarks in the database or negative error code:

         *      - KErrNotSupported if not supported in current database.

         *      - KErrPosLmNotInitialized if database is not yet initialized. */

        virtual TInt TotalLandmarksCount();

        /** Returns total amount of landmark categories in the database.

         *  @return Number of landmark categories in the database or negative error code:

         *      - KErrNotSupported if not supported in current database.

         *      - KErrPosLmNotInitialized if database is not yet initialized. */

        virtual TInt TotalCategoriesCount();

        /** Returns amount of categorized landmarks in the database.

         *  @return Number of categorized landmarks in the database or negative error code:

         *      - KErrNotSupported if not supported in current database.

         *      - KErrPosLmNotInitialized if database is not yet initialized. */

        virtual TInt CategorizedLandmarksCount();

        /** Returns total amount of referenced landmark categories in the database.

         *  @return Number of referenced landmark categories in the database 

         *          or negative error code:

         *      - KErrNotSupported if not supported in current database.

         *      - KErrPosLmNotInitialized if database is not yet initialized. */

        virtual TInt ReferencedCategoriesCount();

        /** Returns amount of uncategorized landmarks in the database.

         *  @return Number of uncategorized landmarks in the database or negative error code:

         *      - KErrNotSupported if not supported in current database.

         *      - KErrPosLmNotInitialized if database is not yet initialized. */

        virtual TInt UncategorizedLandmarksCount();

        /** Returns total amount of unreferenced landmark categories in the database.

         *  @return Number of unreferenced landmark categories in the database 

         *          or negative error code:

         *      - KErrNotSupported if not supported in current database.

         *      - KErrPosLmNotInitialized if database is not yet initialized. */

        virtual TInt UnreferencedCategoriesCount();

    private:

        CPosLmLocalDbAccess& iDbAccess;

    };

#endif /*EPOS_CPOSLMLOCALDBFASTCOUNTERS_H_*/