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

   1 //
   2 // MemoryCacheElement.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.ComponentModel;
  30 using System.Configuration;
  31
  32 namespace System.Runtime.Caching.Configuration
  33 {
  34         public sealed class MemoryCacheElement : ConfigurationElement
  35         {
  36                 static ConfigurationProperty cacheMemoryLimitMegabytesProp;
  37                 static ConfigurationProperty nameProp;
  38                 static ConfigurationProperty physicalMemoryLimitPercentageProp;
  39                 static ConfigurationProperty pollingIntervalProp;
  40                 static ConfigurationPropertyCollection properties;
  41
  42                 [ConfigurationProperty ("cacheMemoryLimitMegabytes", DefaultValue = 0)]
  43                 [IntegerValidator (MinValue = 1)]
  44                 public int CacheMemoryLimitMegabytes {
  45                         get { return (int) base [cacheMemoryLimitMegabytesProp]; }
  46                         set { base [cacheMemoryLimitMegabytesProp] = value; }
  47                 }
  48
  49                 [ConfigurationProperty ("name", DefaultValue = "", IsRequired = true, IsKey = true)]
  50                 [TypeConverter (typeof(WhiteSpaceTrimStringConverter))]
  51                 [StringValidator (MinLength = 1)]
  52                 public string Name {
  53                         get { return (string) base [nameProp]; }
  54                         set { base [nameProp] = value; }
  55                 }
  56
  57                 [ConfigurationProperty ("physicalMemoryLimitPercentage", DefaultValue = 0)]
  58                 [IntegerValidator (MinValue = 1, MaxValue = 100)]
  59                 public int PhysicalMemoryLimitPercentage {
  60                         get { return (int) base [physicalMemoryLimitPercentageProp]; }
  61                         set { base [physicalMemoryLimitPercentageProp] = value; }
  62                 }
  63
  64                 [ConfigurationProperty ("pollingInterval", DefaultValue = "00:02:00")]
  65                 [TypeConverter (typeof(InfiniteTimeSpanConverter))]
  66                 public TimeSpan PollingInterval {
  67                         get { return (TimeSpan) base [pollingIntervalProp]; }
  68                         set { base [pollingIntervalProp] = value; }
  69                 }
  70
  71                 protected override ConfigurationPropertyCollection Properties {
  72                         get { return properties; }
  73                 }
  74
  75                 static MemoryCacheElement ()
  76                 {
  77                         cacheMemoryLimitMegabytesProp = new ConfigurationProperty ("cacheMemoryLimitMegabytes", typeof (int), 0,
  78                                                                                    TypeDescriptor.GetConverter (typeof (int)),
  79                                                                                    new IntegerValidator (1, Int32.MaxValue),
  80                                                                                    ConfigurationPropertyOptions.None);
  81                         nameProp = new ConfigurationProperty ("name", typeof (string), String.Empty,
  82                                                               TypeDescriptor.GetConverter (typeof (string)),
  83                                                               new NullableStringValidator (1),
  84                                                               ConfigurationPropertyOptions.IsKey | ConfigurationPropertyOptions.IsRequired);
  85                         physicalMemoryLimitPercentageProp = new ConfigurationProperty ("physicalMemoryLimitPercentage", typeof (int), 0,
  86                                                                                        TypeDescriptor.GetConverter (typeof (int)),
  87                                                                                        new IntegerValidator (1, 100),
  88                                                                                        ConfigurationPropertyOptions.None);
  89                         pollingIntervalProp = new ConfigurationProperty ("pollingInterval", typeof (TimeSpan), TimeSpan.FromMinutes (2),
  90                                                                          new InfiniteTimeSpanConverter (),
  91                                                                          new DefaultValidator (),
  92                                                                          ConfigurationPropertyOptions.None);
  93
  94                         properties = new ConfigurationPropertyCollection ();
  95                         properties.Add (cacheMemoryLimitMegabytesProp);
  96                         properties.Add (nameProp);
  97                         properties.Add (physicalMemoryLimitPercentageProp);
  98                         properties.Add (pollingIntervalProp);
  99                 }
 100
 101                 internal MemoryCacheElement ()
 102                 {
 103                 }
 104
 105                 public MemoryCacheElement (string name)
 106                 {
 107                         this.Name = name;
 108                 }
 109         }
 110 }