InversionOfControl/Castle.MicroKernel/Releasers/AllComponentsReleasePolicy.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.MicroKernel.Releasers
  16 {
  17         using System;
  18         using System.Collections;
  19
  20         /// <summary>
  21         /// Summary description for AllComponentsReleasePolicy.
  22         /// </summary>
  23         [Serializable]
  24         public class AllComponentsReleasePolicy : IReleasePolicy
  25         {
  26                 private IDictionary instance2Handler = Hashtable.Synchronized(
  27                         new Hashtable(new Util.ReferenceEqualityComparer()));
  28
  29                 public AllComponentsReleasePolicy()
  30                 {
  31                 }
  32
  33                 #region IReleasePolicy Members
  34
  35                 public virtual void Track(object instance, IHandler handler)
  36                 {
  37                         instance2Handler[instance] = handler;
  38                 }
  39
  40                 public bool HasTrack(object instance)
  41                 {
  42                         return instance2Handler.Contains(instance);
  43                 }
  44
  45                 public void Release(object instance)
  46                 {
  47                         IHandler handler = (IHandler) instance2Handler[instance];
  48
  49                         if (handler != null)
  50                         {
  51                                 instance2Handler.Remove(instance);
  52
  53                                 handler.Release(instance);
  54                         }
  55                 }
  56
  57                 #endregion
  58
  59                 #region IDisposable Members
  60
  61                 public void Dispose()
  62                 {
  63                         foreach(DictionaryEntry entry in instance2Handler)
  64                         {
  65                                 object instance = entry.Key;
  66                                 IHandler handler = (IHandler) entry.Value;
  67                                 handler.Release(instance);
  68                         }
  69
  70                         instance2Handler.Clear();
  71                 }
  72
  73                 #endregion
  74         }
  75 }