sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef SQLCOMPACTENTRY_H
sl@0: #define SQLCOMPACTENTRY_H
sl@0: 
sl@0: #include "SqlCompact.h"
sl@0: 
sl@0: //Forward declarations
sl@0: class CSqlCompactTestActive;
sl@0: class CSqlCompactTimer;
sl@0: 
sl@0: ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
sl@0: ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
sl@0: 
sl@0: #ifdef _DEBUG
sl@0: #define SQLCOMPACTENTRY_INVARIANT() Invariant()
sl@0: #else
sl@0: #define SQLCOMPACTENTRY_INVARIANT() void(0)
sl@0: #endif
sl@0: 
sl@0: /**
sl@0: Every CSqlCompactEntry maintains a connection to the database that has to be compacted in background mode.
sl@0: When the number of the free pages reaches or is above the threshold, the background compaction will be activated
sl@0: and performed in steps.
sl@0: 
sl@0: @see MSqlCompactConn
sl@0: @see CSqlCompactTimer
sl@0: 
sl@0: @internalComponent
sl@0: */
sl@0: NONSHARABLE_CLASS(CSqlCompactEntry) : public CBase
sl@0: 	{
sl@0: 	friend class CSqlCompactTestActive;
sl@0: 	
sl@0: public:
sl@0: 	static CSqlCompactEntry* NewLC(const TDesC& aFullName, TSqlCompactConnFactoryL aConnFactoryL, 
sl@0: 								   const TSqlCompactSettings& aSettings, CSqlCompactTimer& aTimer);
sl@0: 	TInt AddRef();
sl@0: 	TInt Release();
sl@0: 	TInt Compact();
sl@0: 	const TDesC& FullName() const;
sl@0: 	void Invariant() const;
sl@0: 	
sl@0: private:
sl@0: 	CSqlCompactEntry(const TSqlCompactSettings& aSettings, CSqlCompactTimer& aTimer);
sl@0: 	virtual ~CSqlCompactEntry();
sl@0: 	void ConstructL(const TDesC& aFullName, TSqlCompactConnFactoryL aConnFactoryL);
sl@0: 	void ResetState();
sl@0: 	MSqlCompactConn& Connection();
sl@0: 	static void FreePageCallback(void* aThis, TInt aFreePageCount);
sl@0: 
sl@0: public:
sl@0:     TSglQueLink			iLink;       
sl@0:     
sl@0: private:
sl@0: 	RBuf				iFullName;
sl@0: 	TSqlCompactSettings	iSettings;
sl@0: 	CSqlCompactTimer& 	iTimer;
sl@0: 	MSqlCompactConn*	iConnection;
sl@0: 	TInt				iRefCounter;
sl@0: 	enum TState 
sl@0: 		{
sl@0: 		EInactive,
sl@0: 		EInProgress
sl@0: 		};
sl@0: 	TState				iState;
sl@0: 	TInt				iPageCount;
sl@0: 	TBool				iFreePageCallbackDisabled;
sl@0: 
sl@0: 	};
sl@0: 
sl@0: #endif//SQLCOMPACTENTRY_H