1 /*

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

     3 * All rights reserved.

     4 *

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

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

     7 *

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

     9 *   this list of conditions and the following disclaimer.

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

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

    12 *   and/or other materials provided with the distribution.

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

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

    15 *   without specific prior written permission.

    16 *

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

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

    19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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

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

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

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

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

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

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

    27 * POSSIBILITY OF SUCH DAMAGE.

    28 * 

    29 * Initial Contributors:

    30 * Nokia Corporation - initial contribution.

    31 *

    32 * Contributors:

    33 *

    34 * Description: 

    35 *

    36 */

    37 

    38 using System;

    39 using System.Collections;

    40 using System.Collections.Generic;

    41 using HeapLib.Cells;

    42 using HeapLib.Array;

    43 

    44 namespace HeapLib.Statistics.Tracking.ByDescriptor

    45 {

    46     public class DescriptorTrackingInfoCollection : IEnumerable<HeapCell>

    47     {

    48         #region Constructors & destructor

    49         public DescriptorTrackingInfoCollection()

    50         {

    51         }

    52         #endregion

    53 

    54         #region API

    55         public float DescriptorLengthAsTypePercentage( HeapCell aCell )

    56         {

    57             System.Diagnostics.Debug.Assert( aCell.Type == HeapCell.TType.EAllocated );

    58             System.Diagnostics.Debug.Assert( aCell.IsDescriptor );

    59             //

    60             float ret = (float) aCell.DescriptorLength / (float) AssociatedMemory;

    61             return ret * 100.0f;

    62         }

    63         #endregion

    64 

    65         #region Properties

    66         public int AssociatedCellCount

    67         {

    68             get { return iAssociatedCells.Count; }

    69         }

    70 

    71         public int Count

    72         {

    73             get { return AssociatedCellCount; }

    74         }

    75 

    76         public long AssociatedMemory

    77         {

    78             get { return iAssociatedMemory; }

    79         }

    80 

    81         public HeapCell this[ int aIndex ]

    82         {

    83             get { return iAssociatedCells[ aIndex ]; }

    84         }

    85         #endregion

    86 

    87         #region From TrackingCollectionBase

    88         internal void Track( HeapCell aCell )

    89         {

    90             if ( aCell.Type == HeapCell.TType.EAllocated && aCell.IsDescriptor )

    91             {

    92                 iAssociatedCells.Add( aCell );

    93                 iAssociatedMemory += aCell.Length;

    94             }

    95         }

    96         #endregion

    97 

    98         #region IEnumerable Members

    99         public IEnumerator<HeapCell> GetEnumerator()

   100         {

   101             return iAssociatedCells.CreateEnumerator();

   102         }

   103 

   104         IEnumerator IEnumerable.GetEnumerator()

   105         {

   106             return iAssociatedCells.CreateEnumerator();

   107         }

   108         #endregion

   109 

   110         #region Data members

   111         private long iAssociatedMemory = 0;

   112         private HeapCellArray iAssociatedCells = new HeapCellArray();

   113         #endregion

   114     }

   115 }