diff -r 000000000000 -r 667063e416a2 locationtriggering/ltstrategyengine/src/lbtcelliddatabase.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationtriggering/ltstrategyengine/src/lbtcelliddatabase.cpp	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,173 @@
+/*
+* Copyright (c) 2006 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:  Implements the cell id database
+*
+*/
+#include "lbtcelliddatabase.h"
+
+/**
+ * Maximum entry that database can hold 
+ */
+static const TInt KMaxEntry = 25;
+
+/**
+ * Index of the entry that needs to removed.
+ */
+static const TInt EIndexToBeRemoved = 0;
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CLbtCellIdDatabase::NewL
+// The Symbian 2 phase constructor
+// ---------------------------------------------------------------------------
+//
+CLbtCellIdDatabase* CLbtCellIdDatabase::NewL()
+    {
+    CLbtCellIdDatabase* self = new(ELeave) CLbtCellIdDatabase;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CLbtCellIdDatabase::CLbtCellIdDatabase
+// Default constructor
+// ---------------------------------------------------------------------------
+//
+CLbtCellIdDatabase::CLbtCellIdDatabase()
+    {
+    
+    }
+
+// ---------------------------------------------------------------------------
+// CLbtCellIdDatabase::ConstructL
+//
+// ---------------------------------------------------------------------------
+//
+void CLbtCellIdDatabase::ConstructL()
+    {
+    
+    }
+
+// ---------------------------------------------------------------------------
+// CLbtCellIdDatabase::~CLbtCellIdDatabase
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CLbtCellIdDatabase::~CLbtCellIdDatabase()
+    {
+    iCellIdDbArray.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// CLbtCellIdDatabase::InsertCidLocationL
+// 
+// ---------------------------------------------------------------------------
+//
+void CLbtCellIdDatabase::InsertCidLocation( TInt32 aCountryCode, 
+                                            TInt32 aNetworkID, 
+                                            TInt32 aLac, 
+                                            TInt32 aCellId,
+                                            TLocality aLocality )
+    {
+    if( IsDuplicateEntry( aCountryCode,aNetworkID,aLac,aCellId,aLocality ) )
+        {
+        return;
+        }
+    TCellIdCoordinateData cellIdCoordinateData;
+    cellIdCoordinateData.iCountryCode = aCountryCode;
+    cellIdCoordinateData.iNetworkID = aNetworkID;
+    cellIdCoordinateData.iLac = aLac;
+    cellIdCoordinateData.iCellId = aCellId;
+    cellIdCoordinateData.iLocality.SetCoordinate( aLocality.Latitude(),
+                                                  aLocality.Longitude(),
+                                                  aLocality.Altitude() );
+    cellIdCoordinateData.iLocality.SetHorizontalAccuracy( aLocality.HorizontalAccuracy() );
+    
+    if( iCellIdDbArray.Count() == KMaxEntry )
+        {
+        iCellIdDbArray.Remove( EIndexToBeRemoved );
+        }
+    TInt error = iCellIdDbArray.Append( cellIdCoordinateData );
+    }
+
+// ---------------------------------------------------------------------------
+// CLbtCellIdDatabase::GetLocationForCid
+// 
+// ---------------------------------------------------------------------------
+//
+TInt CLbtCellIdDatabase::GetLocationForCid( TInt32 aCountryCode, 
+                                            TInt32 aNetworkID, 
+                                            TInt32 aLac,
+                                            TInt32 aCellId,
+                                            TLocality& aLocality )
+    {
+    for( TInt i=0;i<iCellIdDbArray.Count();i++ )
+        {
+        if( iCellIdDbArray[i].iCountryCode == aCountryCode &&
+            iCellIdDbArray[i].iNetworkID == aNetworkID && 
+            iCellIdDbArray[i].iLac == aLac &&
+            iCellIdDbArray[i].iCellId == aCellId )
+            {
+            aLocality.SetCoordinate( iCellIdDbArray[i].iLocality.Latitude(),
+                                     iCellIdDbArray[i].iLocality.Longitude(),
+                                     iCellIdDbArray[i].iLocality.Altitude() );
+            aLocality.SetHorizontalAccuracy( iCellIdDbArray[i].iLocality.HorizontalAccuracy() );
+            
+            // This entry has been used and should be deleted last compared to 
+            // unused entry. This is pushed to the end because we delete 
+            // entry from first when max cap is reached.
+            iCellIdDbArray.Append( iCellIdDbArray[i] );
+            iCellIdDbArray.Remove( i );
+            
+            return KErrNone;
+            }
+        }
+    return KErrNotFound;
+    }
+
+// ---------------------------------------------------------------------------
+// CLbtCellIdDatabase::IsDuplicateEntry
+// 
+// ---------------------------------------------------------------------------
+//
+TBool CLbtCellIdDatabase::IsDuplicateEntry( TInt32 aCountryCode, 
+                                            TInt32 aNetworkID, 
+                                            TInt32 aLac, 
+                                            TInt32 aCellId,
+                                            TLocality aLocality )
+    {
+    for( TInt i=0;i<iCellIdDbArray.Count();i++ )
+        {
+        if( iCellIdDbArray[i].iCountryCode == aCountryCode &&
+            iCellIdDbArray[i].iNetworkID == aNetworkID && 
+            iCellIdDbArray[i].iLac == aLac &&
+            iCellIdDbArray[i].iCellId == aCellId )
+            {
+            // If the HA of the current entry is less than the existing entry,
+            // replace the old entry with new one.
+            if( aLocality.HorizontalAccuracy() < iCellIdDbArray[i].iLocality.HorizontalAccuracy() )
+                {
+                iCellIdDbArray[i].iLocality.SetCoordinate( aLocality.Latitude(),
+                                                           aLocality.Longitude(),
+                                                           aLocality.Altitude() );
+                iCellIdDbArray[i].iLocality.SetHorizontalAccuracy( aLocality.HorizontalAccuracy() );
+                }
+            return ETrue;
+            }
+        }
+    return EFalse;
+    }