private static void CallService(ServiceCall service, Request request, ICollection<string> servicesFound)
{
Console.WriteLine(String.Format(" \t Request to call service {0}", service.Name));
// Find the Service Interface Type
var serviceType = GetCloudServices().SingleOrDefault(s => s.IsInterface && String.Equals(s.Name, String.Format("I{0}", service.Name)));
if (serviceType == null)
{
Console.WriteLine("\t Type is UNKNOWN for {0}", service.Name);
return;
}
Console.WriteLine(String.Format("\t Type is: {0}", serviceType.FullName));
// Intiatialize a ChannelFactory
using (var channelFactory = new ChannelFactory<ICloudService>(new WSHttpBinding(), new EndpointAddress(service.Address)))
//using (var channelFactory = new ChannelFactory<ICloudService>(new WSHttpBinding()))
{
channelFactory.Open();
Console.WriteLine("Calling Service {0} at Address {1}", service.Name, service.Address);
try
{
// Create the Channel & Execute the Response
var response = channelFactory.CreateChannel().Execute(request);
// Replace the Original Request Argument
request.Argument = response.ReturnObject;
// Add the Service to the ServicesFound collection
servicesFound.Add(serviceType.FullName);
}
catch (Exception ex)
{
Console.WriteLine("EXCEPTION - {0}", ex.Message);
}
channelFactory.Close();
}
// Recursively Call any other services
if(service.Services != null && service.Services.Length > 0)
{
service.Services.ToList().ForEach(s => CallService(s, request, servicesFound));
}
}
public Response Execute(Request request)
{
if (request == null) throw new FaultException("Request is NULL");
var servicesFound = new List<string>();
// Go through each service
foreach (var service in request.Services)
{
CallService(service, request, servicesFound);
}
return new Response
{
// Assign the ReturnObject as the object that the last service touched
ReturnObject = request.Argument,
// Add the Array of Services that were run & their order
ServicesRan = servicesFound.ToArray(),
};
}
