diff -r f27aebe284bb -r c5af8598d22c logsui/logsengine/inc/logsduplicatelookup.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/logsengine/inc/logsduplicatelookup.h	Thu Sep 02 20:27:05 2010 +0300
@@ -0,0 +1,61 @@
+/*
+* Copyright (c) 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 LOGSDUPLICATELOOKUP_H
+#define LOGSDUPLICATELOOKUP_H
+
+//  INCLUDES
+#include <QList>
+#include <QHash>
+
+// FORWARD DECLARATION
+class LogsEvent;
+
+typedef QHash<QString, LogsEvent*> LogsLookupHash;
+
+// CLASS DECLARATION
+class LogsDuplicateLookup {
+public:
+    explicit LogsDuplicateLookup();
+    virtual ~LogsDuplicateLookup();
+    
+    void invalidate();
+    void cleanup();
+    int addLookupEntry( LogsEvent& event );
+    LogsEvent* findDuplicate( const LogsEvent& event ) const;
+private:
+    QString constructLookupKey( const LogsEvent& event ) const;
+    bool validLookupEvent( const LogsEvent& event ) const;
+    
+private:
+    QList< LogsLookupHash* > mDirectionLookupTables;
+    
+private: // For testing
+    
+    friend class UT_LogsDuplicateLookup;
+    friend class UT_LogsReaderStates;
+};
+                
+
+#endif      // LOGSDUPLICATELOOKUP_H
+
+
+// End of File
+      
+
+        
+