--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianSymbolLib/Plugins/SLPluginSymbol/Source/SymbolSource.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 2004-2008 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: 
+*
+*/
+
+using System;
+using System.IO;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using SymbianStructuresLib.Debug.Symbols;
+using SymbianStructuresLib.Debug.Symbols.Interfaces;
+using SymbianSymbolLib.SourceManagement.Source;
+using SymbianSymbolLib.SourceManagement.Provisioning;
+using SymbianUtils.FileTypes;
+using SymbianUtils;
+using SLPluginSymbol.Data;
+using SLPluginSymbol.Reader;
+using SLPluginSymbol.Utilities;
+
+namespace SLPluginSymbol.Source
+{
+    internal class SymbolSource : SymSource
+    {
+        #region Constructors
+        public SymbolSource( string aURI, SymSourceProvider aProvider )
+            : base( aURI, aProvider )
+        {
+            iData = new SymbolFileData( this );
+            //
+            FindCollections();
+        }
+        #endregion
+
+        #region API
+        public SymbolFileData ExcavateData()
+        {
+            SymbolFileData ret = iData;
+            iData = null;
+            return ret;
+        }
+        #endregion
+
+        #region From SymSource
+        public override void Read( TSynchronicity aSynchronicity )
+        {
+            EnsureCollectionsAreFound();
+            //
+            base.Read( aSynchronicity );
+        }
+        #endregion
+
+        #region Properties
+        public new SymSourceProvider Provider
+        {
+            get
+            {
+                SymSourceProvider provider = (SymSourceProvider) base.Provider;
+                return provider;
+            }
+        }
+        #endregion
+
+        #region Event handlers
+        #endregion
+
+        #region Internal constants
+        #endregion
+
+        #region Internal methods
+        private void EnsureCollectionsAreFound()
+        {
+            System.Diagnostics.Debug.Assert( iFindCollectionsARE != null );
+            using ( iFindCollectionsARE )
+            {
+                iFindCollectionsARE.WaitOne();
+            }
+            //
+            iFindCollectionsARE = null;
+        }
+
+        private void FindCollections()
+        {
+            iFindCollectionsARE = new AutoResetEvent( false );
+            //
+            iData.Split( System.Environment.ProcessorCount );
+            iData.DataPrepared += new SymbolFileData.DataPreparedHandler( SymbolFileData_DataPrepared );
+            iData.FindCollections();
+        }
+
+        private void SymbolFileData_DataPrepared( SymbolFileData aData )
+        {
+            System.Diagnostics.Debug.Assert( iFindCollectionsARE != null );
+            System.Diagnostics.Debug.Assert( base.HaveBeenDisposedOf == false );
+            //
+            lock ( iAutoResetEventLock )
+            {
+                iFindCollectionsARE.Set();
+            }
+        }
+        #endregion
+
+        #region From DisposableObject
+        protected override void CleanupManagedResources()
+        {
+            try
+            {
+                base.CleanupManagedResources();
+            }
+            finally
+            {
+                if ( iFindCollectionsARE != null )
+                {
+                    iFindCollectionsARE.Close();
+                    iFindCollectionsARE = null;
+                }
+            }
+        }
+        #endregion
+
+        #region Data members
+        private SymbolFileData iData;
+        private object iAutoResetEventLock = new object();
+        private AutoResetEvent iFindCollectionsARE = null;
+        #endregion
+    }
+}