// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//
#ifndef __LOGSERVCACHETYPES_H__
#define __LOGSERVCACHETYPES_H__
#include <logwrap.h>
#include <logwraplimits.h>
// Classes referenced
class CLogEventType;
class TResourceReader;
class MLogServDatabaseTransactionInterface;
/**
Every element stored in the CLogServCacheTypes is of TLogServCacheTypeEntry type.
@see CLogServCacheTypes
@see CLogEventType
@internalComponent
*/
struct TLogServCacheTypeEntry
{
inline TLogServCacheTypeEntry() :
iEventTypeId(KLogNullTypeId),
iEventType(NULL)
{
}
inline TLogServCacheTypeEntry(TLogTypeId aId, CLogEventType* aEventType) :
iEventTypeId(aId),
iEventType(aEventType)
{
}
TLogTypeId iEventTypeId;
CLogEventType* iEventType;
};
/**
Caches the event types.
The event type is used to set the event description.
Note: the event types are kept in a database table with name "Type".
@see CLogEvent
@see CLogAddEvent
@see TLogServCacheTypeEntry
@see CLogEventType
@see MLogServDatabaseTransactionInterface
@internalComponent
*/
class CLogServCacheTypes : public CBase
{
public:
static CLogServCacheTypes* NewL(MLogServDatabaseTransactionInterface& aDatabase);
~CLogServCacheTypes();
public:
const TLogServCacheTypeEntry& FindById(TLogTypeId aId) const;
const TLogServCacheTypeEntry& FindByUid(TUid aUid) const;
TLogTypeId AddTypeL(const CLogEventType& aEventType);
TInt ChangeType(const CLogEventType& aEventType);
TInt DeleteType(TUid aUid);
void CreateStandardTypesL(TResourceReader& aResourceSpecifiedTypes, TBool aReadOnly = EFalse);
void InitializeL();
void CopyStandardTypeUidsL(RArray<TUid>& aUidsCopy);
private:
CLogServCacheTypes(MLogServDatabaseTransactionInterface& aDatabase);
void ConstructL();
TLogTypeId DoAddTypeL(const CLogEventType& aEventType);
TInt DoChangeType(const CLogEventType& aEventType);
void InitializeColNumsL(RDbRowSet& aRowSet);
void DestroyCache();
//
static TInt Compare1(const TUid* aUid, const TLogServCacheTypeEntry& aRight);
static TInt Compare2(const TLogServCacheTypeEntry& aLeft, const TLogServCacheTypeEntry& aRight);
void __DbgTestInvariant() const;
private:
MLogServDatabaseTransactionInterface& iDatabase;
RArray<TLogServCacheTypeEntry> iTypes;
RArray<TUid> iStandardTypeUids;
TLogServCacheTypeEntry iInvalidCacheEntry;
//Type table - column numbers
TInt iIdColNo;
TInt iUidColNo;
TInt iDescriptionColNo;
TInt iEnabledColNo;
};
#endif