--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loggingservices/eventlogger/LogServ/inc/LogServCacheConfig.h	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,82 @@
+// 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 __LOGSERVCACHECONFIG_H__
+#define __LOGSERVCACHECONFIG_H__
+
+#include <logcli.h>
+
+// Classes referenced
+class MLogServDatabaseTransactionInterface;
+
+/**
+Caches a copy of the LogEng configuration data (a TLogConfig instance).
+Provides public methods for retrieving/updating the configuration data.
+if the configuration data is updated in a transaction, the changes will be committed/rolled back
+when the transaction is committed/rolled back.  
+
+Note: the LogEng configuration is kept in a database table with name "Config".
+
+@see TLogConfig
+@see MLogServDatabaseTransactionInterface
+@internalComponent
+*/
+class CLogServCacheConfig : public CBase
+	{
+public:
+	static CLogServCacheConfig* NewL(MLogServDatabaseTransactionInterface& aDatabase);
+	~CLogServCacheConfig();
+	const TLogConfig& Config() const;
+	void UpdateL(const TLogConfig& aConfig);
+#ifdef _DEBUG    
+	inline TBool InTransaction() const;
+#endif   
+	void Commit();
+	inline void Rollback();
+
+private:
+	CLogServCacheConfig(MLogServDatabaseTransactionInterface& aDatabase);
+	void ConstructL();
+	void ReadL();
+
+private:
+	MLogServDatabaseTransactionInterface& iDatabase;
+	TLogConfig  iConfig;//The last good configuration value. Essentially, the current configuration
+	TLogConfig  iRequestedConfiguration;//The requested configuration
+	TBool       iInTransaction;//Indicates whether the configuration cache is currently within an update transaction
+	
+	};
+
+#ifdef _DEBUG    
+/**
+Indicates whether a configuration transaction has begun
+*/
+inline TBool CLogServCacheConfig::InTransaction() const
+    {
+    return iInTransaction;
+    }
+#endif//_DEBUG
+
+/**
+Roll back a configuration transaction
+*/
+inline void CLogServCacheConfig::Rollback()
+    {
+    // Nothing really to do here other than discard the transaction status
+    // (ready to start over again).
+    iInTransaction = EFalse;
+    }
+
+#endif