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WCF Using Extension Method

/ Published in: C#
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  1.         /// <summary>
  2.         /// When calling a WCF service it is not possible to use a using(...) statement to close 
  3.         /// the connection after the service call.  A call to Dispose may cause an exception
  4.         /// which is against MS recommendation. As such when calling a WCF Service you can 
  5.         /// us the Using method to correctly close the connection after your request or requests.
  6.         /// 
  7.         /// <remarks>This can be used with the following code <br/>
  8.         /// <code>
  9.         /// IMyService service = new MyService(); // Gets a proxy to WCF service
  10.         /// service.Using(()=>
  11.         /// {
  12.         ///     service.DoSomthing();
  13.         ///     service.DoSomethingElse("Hello World");
  14.         ///     Console.WriteLine();
  15.         /// });
  16.         /// </code>
  17.         /// </remarks>
  18.         /// </summary>
  19.         /// <param name="service">The IService instance you wish will close after invocation</param>
  20.         /// <param name="action">The Action delegate to execute before the service is closed.</param>
  21.         public static void Using(this IService service, Action action)
  22.         {
  23.             ICommunicationObject communicationObject = service as ICommunicationObject;
  24.             try
  25.             {
  26.                 action();
  27.                 service.SafeDispose();
  28.             }
  29.             catch (CommunicationException cex)
  30.             {
  31.                 Log.Error(String.Format("CommunicationException occured calling service method on {0}", service.GetType().Name), cex);
  32.  
  33.                 if (communicationObject != null)
  34.                     communicationObject.Abort();
  35.                 throw;
  36.             }
  37.             catch (TimeoutException tex)
  38.             {
  39.                 Log.Error(String.Format("TimeoutException occured calling service method on {0}", service.GetType().Name), tex);
  40.  
  41.                 if (communicationObject != null)
  42.                     communicationObject.Abort();
  43.                 throw;
  44.             }
  45.         }

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