diff -r f27aebe284bb -r c5af8598d22c logsui/logsengine/src/logsduplicatelookup.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/logsengine/src/logsduplicatelookup.cpp	Thu Sep 02 20:27:05 2010 +0300
@@ -0,0 +1,138 @@
+/*
+* 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:
+*
+*/
+
+// INCLUDE FILES
+#include "logsduplicatelookup.h"
+#include "logsevent.h"
+#include "logscommondata.h"
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+//
+LogsDuplicateLookup::LogsDuplicateLookup()
+{
+    for ( int i = 0; i <= LogsEvent::DirMissed; i++ ){
+        LogsLookupHash* directionLookup = new LogsLookupHash;
+        mDirectionLookupTables.append( directionLookup );
+    }
+}
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+//
+LogsDuplicateLookup::~LogsDuplicateLookup()
+{
+    qDeleteAll(mDirectionLookupTables);
+}
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+//
+void LogsDuplicateLookup::invalidate()
+{
+    for( int k = 0; k < mDirectionLookupTables.count(); k++ ){
+        LogsLookupHash& table = *mDirectionLookupTables.at(k);
+        LogsLookupHash::iterator it;
+        for (it = table.begin(); it != table.end(); ++it){
+            it.value() = 0;
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+//
+void LogsDuplicateLookup::cleanup()
+{
+    for( int k = 0; k < mDirectionLookupTables.count(); k++ ){
+        LogsLookupHash& table = *mDirectionLookupTables.at(k);
+        LogsLookupHash::iterator it = table.begin();
+        while ( it != table.end() ){
+            if ( it.value() == 0 ){
+                it = table.erase(it);
+            } else {
+                ++it;
+            }
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+//
+int LogsDuplicateLookup::addLookupEntry( LogsEvent& event )
+{
+    if ( !validLookupEvent(event) ){
+        return -1;
+    }
+    int dir = event.direction();
+    QString key = constructLookupKey(event);
+    LogsLookupHash::iterator it = mDirectionLookupTables.at(dir)->find(key);
+    if ( it != mDirectionLookupTables.at(dir)->end() ){
+        if ( it.value() == 0 ){
+            it.value() = &event;
+        }
+    } else {
+        mDirectionLookupTables.at(dir)->insert(key, &event);    
+    }
+    return 0;
+}
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+//
+LogsEvent* LogsDuplicateLookup::findDuplicate( const LogsEvent& event ) const
+{
+    if ( !validLookupEvent(event) ){
+        return 0;
+    }
+    int dir = event.direction();
+    QString key = constructLookupKey(event);
+    LogsLookupHash::const_iterator it = 
+        mDirectionLookupTables.at(dir)->find(key);
+    if ( it != mDirectionLookupTables.at(dir)->constEnd() ){
+        return it.value();
+    }
+    return 0;
+}
+    
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+//
+QString LogsDuplicateLookup::constructLookupKey( const LogsEvent& event ) const
+{
+    return ( event.remoteParty() + "/t" + 
+        event.number().right(LogsCommonData::getInstance().telNumMatchLen() ) );
+}
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+//
+bool LogsDuplicateLookup::validLookupEvent( const LogsEvent& event ) const
+{
+    int dir = event.direction();
+    return ( !event.remoteParty().isEmpty() && 
+             dir >= 0 && dir < mDirectionLookupTables.count() );
+}