mcs/class/System.Runtime.Caching/System.Runtime.Caching.Configuration/MemoryCacheSettingsCollection.cs

   1 //
   2 // MemoryCacheSettingsCollection.cs
   3 //
   4 // Authors:
   5 //      Marek Habersack <mhabersack@novell.com>
   6 //
   7 // Copyright (C) 2010 Novell, Inc. (http://novell.com/)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System;
  29 using System.Configuration;
  30
  31 namespace System.Runtime.Caching.Configuration
  32 {
  33         [ConfigurationCollection (typeof(MemoryCacheElement), CollectionType = ConfigurationElementCollectionType.AddRemoveClearMap)]
  34         public sealed class MemoryCacheSettingsCollection : ConfigurationElementCollection
  35         {
  36                 static ConfigurationPropertyCollection properties;
  37
  38                 public override ConfigurationElementCollectionType CollectionType {
  39                         get { return ConfigurationElementCollectionType.AddRemoveClearMap; }
  40                 }
  41
  42                 public MemoryCacheElement this[int index] {
  43                         get { return BaseGet (index) as MemoryCacheElement; }
  44                         set {
  45                                 if (BaseGet (index) != null)
  46                                         BaseRemoveAt (index);
  47                                 BaseAdd (index, value);
  48                         }
  49                 }
  50
  51                 public new MemoryCacheElement this[string key] {
  52                         get {
  53                                 foreach (MemoryCacheElement mce in this) {
  54                                         if (String.Compare (key, mce.Name, StringComparison.Ordinal) == 0)
  55                                                 return mce;
  56                                 }
  57
  58                                 return null;
  59                         }
  60                 }
  61
  62                 protected override ConfigurationPropertyCollection Properties {
  63                         get { return properties; }
  64                 }
  65
  66                 static MemoryCacheSettingsCollection ()
  67                 {
  68                         properties = new ConfigurationPropertyCollection ();
  69                 }
  70
  71                 public MemoryCacheSettingsCollection ()
  72                 {
  73                 }
  74
  75                 public void Add (MemoryCacheElement cache)
  76                 {
  77                         BaseAdd (cache);
  78                 }
  79
  80                 public void Clear ()
  81                 {
  82                         BaseClear ();
  83                 }
  84
  85                 protected override ConfigurationElement CreateNewElement ()
  86                 {
  87                         return new MemoryCacheElement ();
  88                 }
  89
  90                 protected override ConfigurationElement CreateNewElement (string elementName)
  91                 {
  92                         return new MemoryCacheElement (elementName);
  93                 }
  94
  95                 protected override object GetElementKey (ConfigurationElement element)
  96                 {
  97                         if (element == null)
  98                                 return null;
  99
 100                         return ((MemoryCacheElement)element).Name;
 101                 }
 102
 103                 public int IndexOf (MemoryCacheElement cache)
 104                 {
 105                         if (cache == null)
 106                                 return -1;
 107
 108                         return BaseIndexOf (cache);
 109                 }
 110
 111                 public void Remove (MemoryCacheElement cache)
 112                 {
 113                         if (cache == null)
 114                                 return;
 115
 116                         BaseRemove (GetElementKey (cache));
 117                 }
 118
 119                 public void RemoveAt (int index)
 120                 {
 121                         BaseRemoveAt (index);
 122                 }
 123         }
 124 }