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// Copyright (c) 2008-2009 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:
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//
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#ifndef SQLCOMPACTENTRY_H
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#define SQLCOMPACTENTRY_H
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#include "SqlCompact.h"
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//Forward declarations
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class CSqlCompactTestActive;
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class CSqlCompactTimer;
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifdef _DEBUG
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#define SQLCOMPACTENTRY_INVARIANT() Invariant()
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#else
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#define SQLCOMPACTENTRY_INVARIANT() void(0)
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#endif
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/**
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Every CSqlCompactEntry maintains a connection to the database that has to be compacted in background mode.
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When the number of the free pages reaches or is above the threshold, the background compaction will be activated
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and performed in steps.
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@see MSqlCompactConn
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@see CSqlCompactTimer
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@internalComponent
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*/
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NONSHARABLE_CLASS(CSqlCompactEntry) : public CBase
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{
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friend class CSqlCompactTestActive;
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public:
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static CSqlCompactEntry* NewLC(const TDesC& aFullName, TSqlCompactConnFactoryL aConnFactoryL,
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const TSqlCompactSettings& aSettings, CSqlCompactTimer& aTimer);
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TInt AddRef();
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TInt Release();
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TInt Compact();
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const TDesC& FullName() const;
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void Invariant() const;
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private:
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CSqlCompactEntry(const TSqlCompactSettings& aSettings, CSqlCompactTimer& aTimer);
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virtual ~CSqlCompactEntry();
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void ConstructL(const TDesC& aFullName, TSqlCompactConnFactoryL aConnFactoryL);
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void ResetState();
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MSqlCompactConn& Connection();
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static void FreePageCallback(void* aThis, TInt aFreePageCount);
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public:
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TSglQueLink iLink;
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private:
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RBuf iFullName;
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TSqlCompactSettings iSettings;
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CSqlCompactTimer& iTimer;
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MSqlCompactConn* iConnection;
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TInt iRefCounter;
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enum TState
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{
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EInactive,
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EInProgress
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};
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TState iState;
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TInt iPageCount;
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TBool iFreePageCallbackDisabled;
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};
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#endif//SQLCOMPACTENTRY_H
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