diff -r 000000000000 -r 818e61de6cd1 crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/TextUtilities/Readers/Types/Array/AsyncArrayReader.cs --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/TextUtilities/Readers/Types/Array/AsyncArrayReader.cs Thu Feb 11 15:50:58 2010 +0200 @@ -0,0 +1,158 @@ +/* +* 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: +* +*/ +using System; +using System.IO; +using System.Text; +using System.Threading; +using System.Collections; +using SymbianUtils.Tracer; + +namespace SymbianUtils.TextUtilities.Readers.Types.Array +{ + public interface AsyncArrayObjectSupplier + { + #region AsyncArrayObjectSupplier interface declaration + int ObjectCount { get; } + TType this[ int aIndex ] { get; } + #endregion + } + + public abstract class AsyncArrayReader : AsyncReaderBase + { + #region Constructors + protected AsyncArrayReader( AsyncArrayObjectSupplier aObjectSupplier ) + : this( aObjectSupplier, null ) + { + } + + protected AsyncArrayReader( AsyncArrayObjectSupplier aObjectSupplier, ITracer aTracer ) + : base( aTracer ) + { + iObjectSupplier = aObjectSupplier; + } + #endregion + + #region Abstract reading framework + protected abstract void HandleObject( TType aObject, int aIndex, int aCount ); + #endregion + + #region From AsyncReaderBase + protected override long Size + { + get + { + long size = 0; + // + lock( this ) + { + size = iObjectSupplier.ObjectCount; + } + // + return size; + } + } + + protected override long Position + { + get + { + long position = 0; + // + lock( this ) + { + position = iCurrentIndex; + } + // + return position; + } + } + #endregion + + #region Properties + public int CurrentIndex + { + get + { + lock( this ) + { + return iCurrentIndex; + } + } + } + + protected AsyncArrayObjectSupplier ObjectSupplier + { + get { return iObjectSupplier; } + } + #endregion + + #region Internal methods + protected override void PerformOperation() + { + int count = 0; + lock( this ) + { + count = iObjectSupplier.ObjectCount; + iCurrentIndex = -1; + } + + System.DateTime tenPercentTime = DateTime.Now; + + int newProgress = 0; + int oldProgress = 0; + while( CurrentIndex < count - 1 ) + { + lock( this ) + { + ++iCurrentIndex; + } + // + lock( this ) + { + TType obj = iObjectSupplier[ iCurrentIndex ]; + HandleObject( obj, iCurrentIndex-1, count ); + newProgress = Progress; + } + // + if ( newProgress != oldProgress ) + { +#if DEBUG + if ( newProgress > 0 && ( newProgress % 10 ) == 0 ) + { + System.DateTime now = DateTime.Now; + long intermediateTickDuration = ( ( now.Ticks - tenPercentTime.Ticks ) / 100 ); + System.Diagnostics.Debug.WriteLine( newProgress.ToString( "d2" ) + " % COMPLETE - " + intermediateTickDuration.ToString( "d12" ) ); + tenPercentTime = now; + } +#endif + NotifyEvent( TEvent.EReadingProgress ); + oldProgress = newProgress; + } + } + + System.DateTime endTime = DateTime.Now; + long tickDuration = ( ( endTime.Ticks - iOperationStartTime.Ticks ) / 100 ); + System.Diagnostics.Debug.WriteLine( "ARRAY READ COMPLETE - " + tickDuration.ToString( "d12" ) ); + } + #endregion + + #region Data members + private int iCurrentIndex = -1; + private readonly AsyncArrayObjectSupplier iObjectSupplier; + #endregion + } +}