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 using System;
  11 using System.Collections;
  12 using System.Diagnostics;
  13
  14 namespace System.Diagnostics {
  15
  16         public class InstanceDataCollection : DictionaryBase {
  17
  18                 private string counterName;
  19
  20                 private static void CheckNull (object value, string name)
  21                 {
  22                         if (value == null)
  23                                 throw new ArgumentNullException (name);
  24                 }
  25
  26                 // may throw ArgumentNullException
  27                 public InstanceDataCollection (string counterName)
  28                 {
  29                         CheckNull (counterName, "counterName");
  30                         this.counterName = counterName;
  31                 }
  32
  33                 public string CounterName {
  34                         get {return counterName;}
  35                 }
  36
  37                 // may throw ArgumentNullException
  38                 public InstanceData this [string instanceName] {
  39                         get {
  40                                 CheckNull (instanceName, "instanceName");
  41                                 return (InstanceData) Dictionary [instanceName];
  42                         }
  43                 }
  44
  45                 public ICollection Keys {
  46                         get {return Dictionary.Keys;}
  47                 }
  48
  49                 public ICollection Values {
  50                         get {return Dictionary.Values;}
  51                 }
  52
  53                 // may throw ArgumentNullException
  54                 public bool Contains (string instanceName)
  55                 {
  56                         CheckNull (instanceName, "instanceName");
  57                         return Dictionary.Contains (instanceName);
  58                 }
  59
  60                 public void CopyTo (InstanceData[] instances, int index)
  61                 {
  62                         Dictionary.CopyTo (instances, index);
  63                 }
  64         }
  65 }
  66