/// <summary>
        /// Adds the standard behaviors and endpoints to our workflow service host.
        /// </summary>
        /// <param name="workflowServiceHost">The workflow service host.</param>
        private void AddBehaviorsAndEndpoints(WorkflowServiceHost workflowServiceHost) {
            // Check whether we have already initialised the service host
            if (workflowServiceHost.Description.Endpoints.Where(endpoint => endpoint is EnterpriseWorkflowCreationEndpoint).Any()) {
                return;
            }

            // Add endpoints for any services that have been defined in the workflow
            workflowServiceHost.AddDefaultEndpoints();

            ServiceEndpoint firstEndpoint = (from endpoint in workflowServiceHost.Description.Endpoints
                                 where endpoint.IsSystemEndpoint == false
                                 select endpoint).FirstOrDefault();

            BasicHttpBinding binding = new BasicHttpBinding();
            EndpointAddress endpointAddress = new EndpointAddress(workflowServiceHost.BaseAddresses[0]);

            // Add the creation endpoint
            EnterpriseWorkflowCreationEndpoint creationEndpoint = new EnterpriseWorkflowCreationEndpoint(firstEndpoint != null ? firstEndpoint.Binding : binding, firstEndpoint != null ? firstEndpoint.Address : endpointAddress);

            workflowServiceHost.AddServiceEndpoint(creationEndpoint);


            // Add the SQL workflow instance store
            //SqlWorkflowInstanceStore store = new SqlWorkflowInstanceStore("myConnectionString");
            //workflowServiceHost.DurableInstancingOptions.InstanceStore = store;

            // Add the idle behavior
            workflowServiceHost.Description.Behaviors.RemoveAll<WorkflowIdleBehavior>();
            WorkflowIdleBehavior idleBehavior = new WorkflowIdleBehavior {
                TimeToPersist = TimeSpan.FromMilliseconds(10000),
                TimeToUnload = TimeSpan.FromMilliseconds(10000)
            };
            workflowServiceHost.Description.Behaviors.Add(idleBehavior);

            // Add the unhandled exception behavior
            WorkflowUnhandledExceptionBehavior unhandledExceptionBehavior = new WorkflowUnhandledExceptionBehavior {
                Action = WorkflowUnhandledExceptionAction.AbandonAndSuspend
            };
            workflowServiceHost.Description.Behaviors.Add(unhandledExceptionBehavior);

            // Add tracking behavior
            EnterpriseWorkflowTrackingBehavior trackingBehavior = new EnterpriseWorkflowTrackingBehavior();
            workflowServiceHost.Description.Behaviors.Add(trackingBehavior);

            // Add a custom extension
            workflowServiceHost.WorkflowExtensions.Add(() => new WorkflowHostingEnvironmentExtension());

        }
示例#2
0
        // start the service
        static void Main(string[] args)
        {
            string persistenceConnectionString = ConfigurationManager.ConnectionStrings["WorkflowPersistence"].ConnectionString;
            string baseAddr = "http://localhost:8080/Contoso/HiringRequestService";

            using (WorkflowServiceHost host = new WorkflowServiceHost(new HiringRequestProcessServiceDefinition(), new Uri(baseAddr)))
            {
                SqlWorkflowInstanceStoreBehavior instanceStoreBehavior = new SqlWorkflowInstanceStoreBehavior(persistenceConnectionString);
                instanceStoreBehavior.InstanceCompletionAction = InstanceCompletionAction.DeleteAll;
                instanceStoreBehavior.InstanceEncodingOption = InstanceEncodingOption.GZip;

                host.Description.Behaviors.Add(instanceStoreBehavior);
                host.Description.Behaviors.Add(new WorkflowIdleBehavior() { TimeToPersist = new TimeSpan(0) });

                host.WorkflowExtensions.Add(new HiringRequestInfoPersistenceParticipant());

                // configure the unknown message handler
                host.UnknownMessageReceived += new EventHandler<System.ServiceModel.UnknownMessageReceivedEventArgs>(Program.UnknownMessageReceive);

                // add the control endpoint
                WorkflowControlEndpoint publicEndpoint = new WorkflowControlEndpoint(
                                                                new BasicHttpBinding(),
                                                                new EndpointAddress(new Uri("http://127.0.0.1/hiringProcess")));
                host.AddServiceEndpoint(publicEndpoint);
                host.AddDefaultEndpoints();

                // start the service
                Console.WriteLine("Starting ...");

                host.Open();

                // end when the user hits enter
                Console.WriteLine("Service is waiting at: " + baseAddr);
                Console.WriteLine("Press [Enter] to exit");
                Console.ReadLine();
                host.Close();
            }
        }