public ServiceDescription BuildServiceDescription(out IDictionary<string, ContractDescription> implementedContracts, out IList<Type> reflectedContracts)
        {
            ServiceDescriptionContext context = new ServiceDescriptionContext();

            ServiceDescription description = new ServiceDescription();
            ApplyBehaviors(description);

            context.ServiceDescription = description;

            Walker walker = new Walker(true);
            walker.FoundActivity += delegate(Walker w, WalkerEventArgs args)
            {
                IServiceDescriptionBuilder activity = args.CurrentActivity as IServiceDescriptionBuilder;
                if (activity == null)
                {
                    return;
                }

                activity.BuildServiceDescription(context);
            };

            walker.Walk(this.workflowDefinitionContext.GetWorkflowDefinition());

            if (context.Contracts == null || context.Contracts.Count == 0)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.NoContract)));
            }

            implementedContracts = context.Contracts;
            reflectedContracts = context.ReflectedContracts;
            return description;
        }
        void IServiceDescriptionBuilder.BuildServiceDescription(ServiceDescriptionContext context)
        {
            if (context == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
            }
            WorkflowServiceBehavior workflowServiceBehavior = context.ServiceDescription.Behaviors.Find<WorkflowServiceBehavior>();
            if (workflowServiceBehavior == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.NoWorkflowServiceBehavior)));
            }

            workflowServiceBehavior.AddressFilterMode = this.AddressFilterMode;
            workflowServiceBehavior.IgnoreExtensionDataObject = this.IgnoreExtensionDataObject;
            workflowServiceBehavior.IncludeExceptionDetailInFaults = this.IncludeExceptionDetailInFaults;
            workflowServiceBehavior.MaxItemsInObjectGraph = this.MaxItemsInObjectGraph;
            workflowServiceBehavior.UseSynchronizationContext = this.UseSynchronizationContext;
            workflowServiceBehavior.ValidateMustUnderstand = this.ValidateMustUnderstand;

            if (!string.IsNullOrEmpty(this.ConfigurationName))
            {
                workflowServiceBehavior.ConfigurationName = this.ConfigurationName;
            }

            if (!string.IsNullOrEmpty(this.Name))
            {
                workflowServiceBehavior.Name = this.Name;
            }
            if (!string.IsNullOrEmpty(this.Namespace))
            {
                workflowServiceBehavior.Namespace = this.Namespace;
            }
        }