Comments on: Don’t Wrap Wcf Service Hosts or Clients in a Using Statement

By: Chris

Chris — Fri, 01 May 2009 21:33:09 +0000

Thanks, I ended up wrapping the channel on client side like so;

public class ServiceWrapper : IDisposable { public ServiceWrapper() { _channelFactory = new ChannelFactory(typeof(T).FullName); Channel = _channelFactory.CreateChannel(); }


        private ChannelFactory _channelFactory;

        public T Channel { get; private set; }
        #region IDisposable Members
        public void Dispose()

        {

            if (_channelFactory != null)

            {

                try

                {

                    ((IDisposable)_channelFactory).Dispose();

                }

                catch (CommunicationException)

                {

                    _channelFactory.Abort();

                }

                catch (TimeoutException)

                {

                    _channelFactory.Abort();

                }

                catch (Exception)

                {

                    _channelFactory.Abort();

                    throw;

                }

            }
        }

#endregion }

usage
using (var wrapper = new ServiceWrapper()) { wrapper.Channel.DoSomething(); }

By: WCF & Using Statements - Shawn Weisfeld [MVP]

WCF & Using Statements - Shawn Weisfeld [MVP] — Thu, 13 Nov 2008 11:08:17 +0000

[...] check out a post by Dan Rigsby that goes into more detail. http://www.danrigsby.com/blog/index.php/2008/02/26/dont-wrap-wcf-service-hosts-or-clients-in-a-using... Published Thursday, November 13, 2008 6:29 AM by sweisfeld Filed under: C#, .NET, SOA, VB.NET, [...]

By: Sidar Ok

Sidar Ok — Sun, 04 May 2008 13:59:38 +0000

Thanks for the great read, the issue here is obviously something wrong with the implementation of IDisposable pattern that we always expect for the unmanaged resource to close or dispose safely – appearantly this is not the case with WCF. Another way of solution could have been writing your own ClientBase and handling communication fault exception, do what you need when that exception has arisen, and safely continue to use of “using” or “close” your objects off. what do you think ?

Thanks again.

Sidar

By: Mehmet

Mehmet — Wed, 27 Feb 2008 18:19:05 +0000

Here is a newsgroup discussion that gives some insight on the design decisions regarding Dispose()

http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=855018&SiteID=1