public static WorkflowServiceHost CreateWorkflowServiceHost()
{
// add the workflow implementation and application endpoint to the host
WorkflowService service = new WorkflowService()
{
Body = PurchaseOrderWorkflow.CreateBody(),
Endpoints =
{
// adds an application endpoint
new System.ServiceModel.Endpoint
{
Binding = new System.ServiceModel.NetMsmqBinding("NetMsmqBindingTx"),
AddressUri = new Uri("net.msmq://localhost/private/ReceiveTx"),
ServiceContractName = XName.Get(PurchaseOrderWorkflow.poContractDescription.Name)
}
}
};
WorkflowServiceHost workflowServiceHost = new WorkflowServiceHost(service);
// add the workflow management behaviors
IServiceBehavior idleBehavior = new WorkflowIdleBehavior { TimeToUnload = TimeSpan.Zero };
workflowServiceHost.Description.Behaviors.Add(idleBehavior);
IServiceBehavior workflowUnhandledExceptionBehavior = new WorkflowUnhandledExceptionBehavior()
{
Action = WorkflowUnhandledExceptionAction.AbandonAndSuspend // this is also the default
};
workflowServiceHost.Description.Behaviors.Add(workflowUnhandledExceptionBehavior);
// add the instance store
SqlWorkflowInstanceStoreBehavior instanceStoreBehavior = new SqlWorkflowInstanceStoreBehavior()
{
ConnectionString = "Server=localhost\\SQLEXPRESS;Integrated Security=true;Initial Catalog=DefaultSampleStore;"
};
workflowServiceHost.Description.Behaviors.Add(instanceStoreBehavior);
// add a workflow management endpoint
ServiceEndpoint workflowControlEndpoint = new WorkflowControlEndpoint()
{
Binding = new System.ServiceModel.NetNamedPipeBinding(System.ServiceModel.NetNamedPipeSecurityMode.None),
Address = new System.ServiceModel.EndpointAddress("net.pipe://workflowInstanceControl")
};
workflowServiceHost.AddServiceEndpoint(workflowControlEndpoint);
// add the tracking participant
workflowServiceHost.WorkflowExtensions.Add(new TrackingListenerConsole());
foreach (ServiceEndpoint ep in workflowServiceHost.Description.Endpoints)
{
Console.WriteLine(ep.Address);
}
return workflowServiceHost;
}
/// <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());
}
