2005-01-31 Zoltan Varga <vargaz@freemail.hu>
[mono.git] / 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