/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions are met:

*

* - Redistributions of source code must retain the above copyright notice,

*   this list of conditions and the following disclaimer.

* - Redistributions in binary form must reproduce the above copyright notice,

*   this list of conditions and the following disclaimer in the documentation

*   and/or other materials provided with the distribution.

* - Neither the name of Nokia Corporation nor the names of its contributors

*   may be used to endorse or promote products derived from this software

*   without specific prior written permission.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

* 

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

using System;

using System.Collections.Generic;

namespace HeapLib.Statistics.Tracking.Base

{

    public abstract class TrackingComparisonBase : IComparer<TrackingInfo>

    {

        #region Constructors & destructor

        public TrackingComparisonBase( bool aAscending )

        {

            iAscending = aAscending;

        }

        #endregion

        #region IComparer Members

        public int Compare( TrackingInfo aLeft, TrackingInfo aRight )

        {

            int ret = CompareTrackingInfo( aLeft, aRight );

            //

            if	( iAscending == false )

            {

                ret *= -1;

            }

            //

            return ret;

        }

        #endregion

        #region New framework methods

        public abstract int CompareTrackingInfo( TrackingInfo aLeft, TrackingInfo aRight );

        #endregion

        #region Data members

        private readonly bool iAscending;

        #endregion

    }

    public class TrackingInfoSortBySymbolName : TrackingComparisonBase

    {

        #region Constructors & destructor

        public TrackingInfoSortBySymbolName( bool aAscending )

            : base( aAscending )

        {

        }

        #endregion

        #region TrackingComparisonBase Members

        public override int CompareTrackingInfo( TrackingInfo aLeft, TrackingInfo aRight )

        {

            return aLeft.Symbol.Name.CompareTo( aRight.Symbol.Name );

        }

        #endregion

    }

    public class TrackingInfoSortByAssociatedCellCount : TrackingComparisonBase

    {

        #region Constructors & destructor

        public TrackingInfoSortByAssociatedCellCount( bool aAscending )

            : base( aAscending )

        {

        }

        #endregion

        #region TrackingComparisonBase Members

        public override int CompareTrackingInfo( TrackingInfo aLeft, TrackingInfo aRight )

        {

            int ret = -1;

            //

            if	( aLeft.AssociatedCellCount == aRight.AssociatedCellCount )

            {

                ret = 0;

            }

            else if ( aLeft.AssociatedCellCount > aRight.AssociatedCellCount )

            {

                ret = 1;

            }

            //

            return ret;

        }

        #endregion

    }

    public class TrackingInfoSortByCount : TrackingComparisonBase

    {

        #region Constructors & destructor

        public TrackingInfoSortByCount( bool aAscending )

            : base( aAscending )

        {

        }

        #endregion

        #region TrackingComparisonBase Members

        public override int CompareTrackingInfo( TrackingInfo aLeft, TrackingInfo aRight )

        {

            int ret = -1;

            //

            if	( aLeft.Count == aRight.Count )

            {

                ret = 0;

            }

            else if ( aLeft.Count > aRight.Count )

            {

                ret = 1;

            }

            //

            return ret;

        }

        #endregion

    }

    public class TrackingInfoSortByPayloadLength : TrackingComparisonBase

    {

        #region Constructors & destructor

        public TrackingInfoSortByPayloadLength( bool aAscending )

            : base( aAscending )

        {

        }

        #endregion

        #region TrackingComparisonBase Members

        public override int CompareTrackingInfo( TrackingInfo aLeft, TrackingInfo aRight )

        {

            int ret = -1;

            //

            if	( aLeft.PayloadLength == aRight.PayloadLength )

            {

                ret = 0;

            }

            else if ( aLeft.PayloadLength > aRight.PayloadLength )

            {

                ret = 1;

            }

            //

            return ret;

        }

        #endregion

    }

    public class TrackingInfoSortByAssociatedMemory : TrackingComparisonBase

    {

        #region Constructors & destructor

        public TrackingInfoSortByAssociatedMemory( bool aAscending )

            : base( aAscending )

        {

        }

        #endregion

        #region TrackingComparisonBase Members

        public override int CompareTrackingInfo( TrackingInfo aLeft, TrackingInfo aRight )

        {

            int ret = 1;

            //

            if	( aLeft.AssociatedMemory < aRight.AssociatedMemory )

            {

                ret = -1;

            }

            else if ( aLeft.AssociatedMemory == aRight.AssociatedMemory )

            {

                ret = 0;

            }

            //

            return ret;

        }

        #endregion

    }

}