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// Copyright (c) 2002-2009 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 __LOGSERVDATABASETRANSACTIONINTERFACE_H__
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#define __LOGSERVDATABASETRANSACTIONINTERFACE_H__
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#include <d32dbms.h>
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#include "LogServShared.h"
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#include "logservsecurity.h"
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// Classes referenced
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class CLogServCacheTypes;
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class CLogServCacheConfig;
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class CLogServCacheStrings;
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class CLogServResourceInterpreter;
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class MLogServDatabaseChangeInterface;
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/**
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Interface class offering methods for:
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- beginning, committing and rolling back a transaction;
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- accessors to config, types and strings caches;
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- accessors to the resource interpreter and and the change interface;
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@see CLogServResourceInterpreter
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@see MLogServDatabaseChangeInterface
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@see CLogServCacheStrings
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@see CLogServCacheTypes
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@see CLogServCacheConfig
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@internalComponent
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*/
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class MLogServDatabaseTransactionInterface
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{
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public:
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virtual TInt DTIBegin() = 0;//Start a new transaction
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virtual TInt DTICommitAndEnd() = 0;//End an existing transaction
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virtual void DTIRollBack() = 0;//Roll back the current transaction
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virtual TInt DTIExecuteSql(const TDesC& aStatement, TDbTextComparison aComparison = EDbCompareNormal) = 0;//Run some arbitrary SQL
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virtual TBool DTIInTransaction() const = 0;//Is the database in an existing transaction
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virtual TBool DTIDatabaseIsDamaged() const = 0;//Is the database in an existing transaction
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virtual CLogServResourceInterpreter& DTIResourceInterface() const = 0;//Access the resource interface
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virtual MLogServDatabaseChangeInterface& DTIChangeInterface() const = 0;//Acess the change submission interface
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virtual CLogServCacheStrings& DTICacheStrings() const = 0;//Access the string table cache
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virtual CLogServCacheTypes& DTICacheTypes() const = 0;//Access the type table cache
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virtual CLogServCacheConfig& DTICacheConfig() const = 0;//Access the config table cache
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virtual RDbDatabase& DTIDatabase() = 0;//Access the database
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virtual TBool DTIIsAllowed(TEventOp aEventOp, const RMessage2& aMessage, TUid aEventType, const char* aDiagnostic = 0) const = 0;//Check client capability
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virtual const RArray<TUid>& DTIUidsOfStandardTypes() = 0;//Returns a collection of built-in TUids of built-types - those defined in Logwrap.rss
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void DTIBeginWithRollBackProtectionLC();//Start a transaction with roll-back protection (cleanup)
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void DTICommitAndCancelRollbackProtectionL();//End a transaction previously started with roll-back protection
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private:
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static void RollBackDatabase(TAny* aObject);
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};
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#endif
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