code.grnet.gr Git - pithos-ms-client/blob - trunk/Pithos.Core/Agents/AgentLocator.cs

   1 using System;
   2 using System.Collections.Concurrent;
   3 using System.Collections.Generic;
   4 using System.Linq;
   5 using System.Text;
   6
   7 namespace Pithos.Core.Agents
   8 {
   9     static class AgentLocator<T> where T:class
  10     {
  11         static ConcurrentDictionary<string, WeakReference> _agents = new ConcurrentDictionary<string, WeakReference>();
  12         public static void Register(T agent,string key)
  13         {
  14             _agents[key] = new WeakReference(agent);
  15         }
  16
  17         public static T Get(string key)
  18         {
  19             return _agents[key].Target as T;
  20         }
  21
  22         public static bool TryGet(string key, out T value)
  23         {
  24             WeakReference target;
  25             var exists = _agents.TryGetValue(key, out target);
  26             value = target.Target as T;
  27             return exists;
  28         }
  29
  30         public static void Remove(string key)
  31         {
  32             WeakReference target;
  33             _agents.TryRemove(key, out target);
  34         }
  35     }
  36 }