1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19 */

    20 

    21 #ifndef CMTPREFERENCEMGR_H

    22 #define CMTPREFERENCEMGR_H

    23 

    24 #include <e32base.h>

    25 #include <mtp/mmtpreferencemgr.h>

    26 

    27 #include "mtpframeworkconst.h"

    28 #include "rmtpframework.h"

    29 

    30 class RDbDatabase;

    31 class CMTPObjectStore;

    32 

    33 /** 

    34 Implements the MTP reference manager interface.

    35 

    36 @internalTechnology

    37  

    38 */

    39 class CMTPReferenceMgr : public CBase, public MMTPReferenceMgr

    40     {

    41 public:    

    42     static CMTPReferenceMgr* NewL(CMTPObjectStore& aObjectStore);

    43     ~CMTPReferenceMgr();

    44     

    45     void RemoveReferencesL(TUint aHandle);

    46     

    47 public: // From MMTPReferenceMgr

    48 

    49     CMTPTypeArray* ReferencesLC(const TMTPTypeUint32& aFromHandle) const;

    50     CDesCArray* ReferencesLC(const TDesC& aParentSuid) const;

    51     void RemoveReferencesL(const TDesC& aSuid);

    52     void SetReferenceL(const TDesC& aFromSuid, const TDesC& aToSuid);

    53     void SetReferencesL(const TDesC& aParentSuid, const CDesCArray& aToSuids);

    54     void SetReferencesL(const TMTPTypeUint32& aFromHandle, const CMTPTypeArray& aToHandles);

    55     

    56 private:

    57     CMTPReferenceMgr(CMTPObjectStore& aObjectStore);

    58     void ConstructL();

    59     

    60 private:    

    61     //helpers

    62     void CreateTableL();

    63     void CreateIndexL();

    64     

    65     CMTPTypeArray* GetReferencesLC(TUint aHandle) const;

    66     CDesCArray* GetReferencesInDesLC(TUint aHandle) const;

    67     void GetReferencesL(TUint aHandle, RArray<TUint>& aToHandles) const;

    68     void SetReferencesL(TUint aHandle, const RArray<TUint>& aToHandles);

    69     void SetReferenceL(TUint aHandle, TUint aToHandles);

    70     //void AdjustReferencesL(RArray<TUint32>& aHandles) const;

    71 	void IncTranOpsNumL();

    72 	

    73 private: // Owned

    74   

    75     TBuf<KMTPMaxSqlStatementLen>    iSqlStatement;

    76     

    77 private: // Not owned

    78 

    79     RDbDatabase*                    iDatabase; 

    80     CMTPObjectStore&			    iObjectStore;

    81     mutable RDbTable 				iBatched;

    82     };

    83 #endif // CMTPREFERENCEMGR_H