--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loggingservices/eventlogger/LogServ/inc/LogServCacheTypes.h	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,108 @@
+// 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
+