DevForce Community Forum : using cocktail for calling a svc service

using cocktail for calling a svc service : My bad. Ignore what I gave you....

Thu, 31 Jan 2013 10:02:03 -700

Author: mgood
Subject: 3688
Posted: 31-Jan-2013 at 10:02am

My bad. Ignore what I gave you. I had WPF in my head at the time. In Silverlight you can use TaskCompletionSource in place of the wrapper.

http://msdn.microsoft.com/en-us/library/dd449174(v=vs.95).aspx

using cocktail for calling a svc service : Hello Marcel,the sample you provided...

Thu, 31 Jan 2013 07:49:20 -700

Author: pponzano
Subject: 3688
Posted: 31-Jan-2013 at 7:49am

Hello Marcel,
the sample you provided to me is for the repository...
how should I write the wrapper in order to subsitute the code of the Wrapper for the DoWork?

I mean

   public void WhenCompleted(Action completedAction)
       {
           if (completedAction == null) return;
           if (_args != null)
           {
               completedAction(this);
               return;
           }
           _notifyActions = (Action)Delegate.Combine(_notifyActions, completedAction);
       }

       public void DoWork()
       {
           _service.DoWorkCompleted += ServiceOnDoWorkCompleted;
           _service.DoWorkAsync();
       }

       private void ServiceOnDoWorkCompleted(object sender, DoWorkCompletedEventArgs args)
       {
           _args = args;
           _service.DoWorkCompleted -= ServiceOnDoWorkCompleted;
           _service.CloseAsync();

           // Notify subscribers
           var actions = _notifyActions;
           _notifyActions = null;
           if (actions == null) return;
           actions(this);
       }

       public bool Result
       {
           get { return _args != null && _args.Result; }
       }

Thanks
Paolo

using cocktail for calling a svc service : public Task<bool> DoWorkAsync() { ...

Wed, 30 Jan 2013 06:21:15 -700

Author: mgood
Subject: 3688
Posted: 30-Jan-2013 at 6:21am

public Task DoWorkAsync()

{

return Task.Factory.StartNew(() =>

{

using (service = new MyServiceClient())

{

return service.DoWork();

}

});

}

using cocktail for calling a svc service : Excuse me Marcel, how do I have...

Wed, 30 Jan 2013 03:28:20 -700

Author: pponzano
Subject: 3688
Posted: 30-Jan-2013 at 3:28am

Excuse me Marcel,
how do I have to write this using Tasks? I don't have to inherits from

OperationResult anymore ? right??

Thanks

using cocktail for calling a svc service : Sure you can turn the ServiceWrapper...

Thu, 18 Oct 2012 00:31:41 -700

Author: mgood
Subject: 3688
Posted: 18-Oct-2012 at 12:31am

Sure you can turn the ServiceWrapper into ServiceWrapper and then the Result property would look something like this.

        public T Result
        {
            get { return _args != null ? (T)_args.Result : default(T); }
        }

using cocktail for calling a svc service : If possible yes... since If...

Thu, 18 Oct 2012 00:12:59 -700

Author: pponzano
Subject: 3688
Posted: 18-Oct-2012 at 12:12am

If possible yes... since If I've just 3 different methods that returns different types I've to write Result1,2,3...

using cocktail for calling a svc service : I'm not sure about what you...

Wed, 17 Oct 2012 09:04:31 -700

Author: mgood
Subject: 3688
Posted: 17-Oct-2012 at 9:04am

I'm not sure about what you are trying to do. In my example I wrap a service method that returns a bool, so therefore I use the corresponding completed event that gives me the typed result.

Are you trying to write a generic wrapper that can call any service method?

using cocktail for calling a svc service : Marcel,please excuse me in your...

Wed, 17 Oct 2012 05:30:19 -700

Author: pponzano
Subject: 3688
Posted: 17-Oct-2012 at 5:30am

Marcel,
please excuse me in your example you refer to a specific

   private DoWorkCompletedEventArgs _args;

I've tested with 

  System.ComponentModel.AsyncCompletedEventArgs _args;

and it works (I've also replaced the

   public bool Result        {            get { return _args != null && _args.Result; }        }

with

public object Result...

in that way I've to cast the operation.Result to the specific type I need, is there a way for returning the type?
I mean using the generics for the public T Result

using cocktail for calling a svc service : Worked! Thanks a lot!

Tue, 09 Oct 2012 10:05:23 -700

Author: pponzano
Subject: 3688
Posted: 09-Oct-2012 at 10:05am

Worked! Thanks a lot!

using cocktail for calling a svc service : Here's an untested example...

Wed, 03 Oct 2012 07:15:15 -700

Author: mgood
Subject: 3688
Posted: 03-Oct-2012 at 7:15am

Here's an untested example for how you would call the following service method.

    [ServiceContract]    public interface IMyService    {        [OperationContract]        bool DoWork();    }

-----------

    public class Repository    {        public OperationResult<bool> DoWork()        {            var wrapper = new ServiceWrapper();            wrapper.DoWork();            return new ServiceOperationResult(wrapper);        }    }     public class ServiceWrapper : INotifyCompleted, INotifyCompletedArgs    {        private DoWorkCompletedEventArgs _args;        private Action<INotifyCompletedArgs> _notifyActions;        private readonly MyServiceClient _service;         public ServiceWrapper()        {            _service = new MyServiceClient();            }         ///         /// Action to be performed when the asynchronous operation completes.        ///         /// "completedAction"/>        public void WhenCompleted(Action<INotifyCompletedArgs> completedAction)        {            if (completedAction == null) return;            if (_args != null)            {                completedAction(this);                return;            }            _notifyActions = (Action<INotifyCompletedArgs>)Delegate.Combine(_notifyActions, completedAction);        }         public void DoWork()        {            _service.DoWorkCompleted += ServiceOnDoWorkCompleted;            _service.DoWorkAsync();        }         private void ServiceOnDoWorkCompleted(object sender, DoWorkCompletedEventArgs args)        {            _args = args;            _service.DoWorkCompleted -= ServiceOnDoWorkCompleted;            _service.CloseAsync();             // Notify subscribers            var actions = _notifyActions;            _notifyActions = null;            if (actions == null) return;            actions(this);        }         public bool Result        {            get { return _args != null && _args.Result; }        }         ///         /// The exception if the action failed.        ///         public Exception Error { get { return _args != null ? _args.Error : null; } }         ///         /// Whether the action was cancelled.        ///         public bool Cancelled { get { return _args != null && _args.Cancelled; } }         ///         /// Whether the error was handled.        ///         public bool IsErrorHandled { get; set; }    }     public class ServiceOperationResult : OperationResult<bool>    {        private readonly ServiceWrapper _wrapper;         public ServiceOperationResult(ServiceWrapper wrapper)            : base(wrapper)        {            _wrapper = wrapper;        }         ///         /// The result value of the operation.        ///         public override bool Result        {            get { return _wrapper.Result; }        }    }

using cocktail for calling a svc service : Can you please explain me...

Wed, 03 Oct 2012 05:50:37 -700

Author: pponzano
Subject: 3688
Posted: 03-Oct-2012 at 5:50am

Can you please explain me where to start looking at? in the repository I'll make a call to my svc service?

using cocktail for calling a svc service : Yes, you can. You'll...

Wed, 03 Oct 2012 05:47:17 -700

Author: mgood
Subject: 3688
Posted: 03-Oct-2012 at 5:47am

Yes, you can. You'll have to subclass OperationResult or OperationResult for your web service call.

using cocktail for calling a svc service : Hello,I need to call from my SL...

Wed, 03 Oct 2012 00:24:05 -700

Author: pponzano
Subject: 3688
Posted: 03-Oct-2012 at 12:24am

Hello,
I need to call from my SL application a webservice (.svc) can I do it using a repository and OperationResult or it's just for retrieving entities from an ideablade's edmx?

Thanks