1 /*

     2 * Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: Fast counters for local database

    15 *

    16 *

    17 */

    18 

    19 

    20 #ifndef EPOS_CPOSLMLOCALDBFASTCOUNTERS_H_

    21 #define EPOS_CPOSLMLOCALDBFASTCOUNTERS_H_

    22 

    23 #include <epos_cposlandmarkdatabaseextended.h>

    24 #include <EPos_CPosLandmarkEncoder.h>

    25 #include <EPos_CPosLandmarkParser.h>

    26 #include <epos_cposlmdiskutilities.h>

    27 #include <epos_mposlmdatabasefastcounters.h>

    28 

    29 class CPosLmLocalDbAccess;

    30 class CPosLandmark;

    31 

    32 /**

    33 * Fast counters for local database

    34 */

    35 

    36 class CPosLmLocalDbFastCounters : public CBase, public MPosLmDatabaseFastCounters

    37     {

    38 

    39     public: // Constructors and destructor

    40 

    41         static CPosLmLocalDbFastCounters* NewL( CPosLmLocalDbAccess& aDbAccess );

    42 

    43         /**

    44         * Destructor.

    45         */

    46         ~CPosLmLocalDbFastCounters();

    47         

    48     protected:

    49 

    50         CPosLmLocalDbFastCounters( CPosLmLocalDbAccess& aDbAccess );

    51         

    52     public: // from MPosLmDatabaseFastCounters

    53     

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

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

    56          *      - KErrNotSupported if not supported in current database.

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

    58         virtual TInt TotalLandmarksCount();

    59         

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

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

    62          *      - KErrNotSupported if not supported in current database.

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

    64         virtual TInt TotalCategoriesCount();

    65         

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

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

    68          *      - KErrNotSupported if not supported in current database.

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

    70         virtual TInt CategorizedLandmarksCount();

    71     

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

    73          *  @return Number of referenced landmark categories in the database 

    74          *          or negative error code:

    75          *      - KErrNotSupported if not supported in current database.

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

    77         virtual TInt ReferencedCategoriesCount();

    78     

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

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

    81          *      - KErrNotSupported if not supported in current database.

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

    83         virtual TInt UncategorizedLandmarksCount();

    84         

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

    86          *  @return Number of unreferenced landmark categories in the database 

    87          *          or negative error code:

    88          *      - KErrNotSupported if not supported in current database.

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

    90         virtual TInt UnreferencedCategoriesCount();

    91     

    92     private:

    93 

    94         CPosLmLocalDbAccess& iDbAccess;

    95 

    96     };

    97 

    98 #endif /*EPOS_CPOSLMLOCALDBFASTCOUNTERS_H_*/