/// <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());
}
// 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();
}
}