mcs/class/System/System.Diagnostics/InstanceDataCollection.cs

   1 //
   2 // System.Diagnostics.InstanceDataCollection.cs
   3 //
   4 // Authors:
   5 //   Jonathan Pryor (jonpryor@vt.edu)
   6 //
   7 // (C) 2002
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.Collections;
  33 using System.Diagnostics;
  34
  35 namespace System.Diagnostics {
  36
  37         public class InstanceDataCollection : DictionaryBase {
  38
  39                 private string counterName;
  40
  41                 private static void CheckNull (object value, string name)
  42                 {
  43                         if (value == null)
  44                                 throw new ArgumentNullException (name);
  45                 }
  46
  47                 // may throw ArgumentNullException
  48                 public InstanceDataCollection (string counterName)
  49                 {
  50                         CheckNull (counterName, "counterName");
  51                         this.counterName = counterName;
  52                 }
  53
  54                 public string CounterName {
  55                         get {return counterName;}
  56                 }
  57
  58                 // may throw ArgumentNullException
  59                 public InstanceData this [string instanceName] {
  60                         get {
  61                                 CheckNull (instanceName, "instanceName");
  62                                 return (InstanceData) Dictionary [instanceName];
  63                         }
  64                 }
  65
  66                 public ICollection Keys {
  67                         get {return Dictionary.Keys;}
  68                 }
  69
  70                 public ICollection Values {
  71                         get {return Dictionary.Values;}
  72                 }
  73
  74                 // may throw ArgumentNullException
  75                 public bool Contains (string instanceName)
  76                 {
  77                         CheckNull (instanceName, "instanceName");
  78                         return Dictionary.Contains (instanceName);
  79                 }
  80
  81                 public void CopyTo (InstanceData[] instances, int index)
  82                 {
  83                         Dictionary.CopyTo (instances, index);
  84                 }
  85         }
  86 }
  87