taskswitcher/utils/src/tsentrykey.cpp
author hgs
Mon, 18 Oct 2010 10:44:15 +0300
changeset 127 7b66bc3c6dc9
parent 116 305818acdca4
permissions -rw-r--r--
201041
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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Task list entry
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 *
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*/
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#include "tsentrykey.h"
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// -----------------------------------------------------------------------------
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/**
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 * @return amount of memory ( number of bytes ) required to store key.
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 */
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TInt TTsEntryKey::Size()
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    {
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    return sizeof( TInt ) * 2;
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    }
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// -----------------------------------------------------------------------------
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/**
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 * Default constructor. Key members are initialized with 0
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 */
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TTsEntryKey::TTsEntryKey()
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:
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    iKey( 0 ),
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    iRoot( 0 )
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    {
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    //No implementation required
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    }
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// -----------------------------------------------------------------------------
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/**
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 * Constructor. Initialize members with provided values.
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 * @param aKey - key value
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 * @param aRoot - root value
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 */
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TTsEntryKey::TTsEntryKey( TTsKey aKey, TInt aRoot )
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:
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    iKey( aKey ),
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    iRoot( aRoot )
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    {
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    //No implementation required
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    }
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// -----------------------------------------------------------------------------
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/**
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 * Copy constructor
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 * @param aKey - key value that need to be duplicated
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 */
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TTsEntryKey::TTsEntryKey( const TTsEntryKey& aKey )
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:
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    iKey( aKey.iKey ),
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    iRoot( aKey.iRoot )
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    {
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    //No implementation required
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    }
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// -----------------------------------------------------------------------------
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/**
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 * Assignment operator. Initialize members with new values
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 * @param aKey - key value that need to be duplicated
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 * @return reference to key instance
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 */
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TTsEntryKey& TTsEntryKey::operator =( const TTsEntryKey& aKey )
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    {
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    iKey = aKey.iKey;
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    iRoot = aKey.iRoot;
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    return (*this);
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    }
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// -----------------------------------------------------------------------------
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/**
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 * Comparison operator
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 * @param aKey - compared value
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 * @return EFalse if values are not equal, other value if they match
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 */
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TBool TTsEntryKey::operator == ( const TTsEntryKey aKey ) const
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    {
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    return ( iKey == aKey.iKey && iRoot == aKey.iRoot );
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    }
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// -----------------------------------------------------------------------------
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/**
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 * Enable access to key value
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 * @return key value
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 */
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TInt TTsEntryKey::Key() const
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    {
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    return iKey;
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    }
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// -----------------------------------------------------------------------------
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/**
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 * Serialize key into data stream
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 * @param aStream - destination binary stream
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 */
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void TTsEntryKey::ExternalizeL( RWriteStream& aStream ) const
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    {
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    aStream.WriteInt32L( iKey );
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    aStream.WriteInt32L( iRoot );
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    }
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// -----------------------------------------------------------------------------
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/**
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 * Deserialize key from data stream
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 * @param aStream - source binary stream
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 */
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void TTsEntryKey::InternalizeL( RReadStream& aStream )
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    {
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    iKey = aStream.ReadInt32L();
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    iRoot = aStream.ReadInt32L();
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    }