[ServiceContract(Namespace = "http://schemas.mycompany.com/", Name = "MyService")]
public interface IMyService
{
[OperationContract(Name = "MyOperation")
OperationResponse MyOperation(OperationRequest request);
}
In this scenario, what is the point of the Action
and ReplyAction
?
Edit: I should clarify my question...
How would my wsdl differ if I don't specify these parts? Won't it just use some combination of the namespace, service name and opeartion name anyways?
You only need the Action / ReplyAction properties if you want to customize those values in the messages (and they're reflected in the WSDL). If you don't have them, the default is <serviceContractNamespace> + <serviceContractName> + <operationName>
for the Action, and <serviceContractNamespace> + <serviceContractName> + <operationName> + "Response"
for ReplyAction.
The code below prints out the Action/ReplyAction properties of all operations in the service.
public class StackOverflow_6470463
{
[ServiceContract(Namespace = "http://schemas.mycompany.com/", Name = "MyService")]
public interface IMyService
{
[OperationContract(Name = "MyOperation")]
string MyOperation(string request);
}
public class Service : IMyService
{
public string MyOperation(string request) { return request; }
}
public static void Test()
{
string baseAddress = "http://" + Environment.MachineName + ":8000/Service";
ServiceHost host = new ServiceHost(typeof(Service), new Uri(baseAddress));
host.AddServiceEndpoint(typeof(IMyService), new BasicHttpBinding(), "");
host.Open();
Console.WriteLine("Host opened");
foreach (ServiceEndpoint endpoint in host.Description.Endpoints)
{
Console.WriteLine("Endpoint: {0}", endpoint.Name);
foreach (var operation in endpoint.Contract.Operations)
{
Console.WriteLine(" Operation: {0}", operation.Name);
Console.WriteLine(" Action: {0}", operation.Messages[0].Action);
if (operation.Messages.Count > 1)
{
Console.WriteLine(" ReplyAction: {0}", operation.Messages[1].Action);
}
}
}
Console.Write("Press ENTER to close the host");
Console.ReadLine();
host.Close();
}
}
Sometimes the generated WSDL is just not suitable for you. One interesting thing you can also do is set Action = "*" to create a unrecognized message handler.
http://msdn.microsoft.com/en-us/library/system.servicemodel.operationcontractattribute.action.aspx
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