static void Main()
{
// Same workflow as Dataflow sample
Activity workflow = LoadProgram("Dataflow.xaml");
WorkflowServiceHost host = new WorkflowServiceHost(workflow,
new Uri("http://localhost/Dataflow.xaml"));
WorkflowControlEndpoint controlEndpoint = new WorkflowControlEndpoint(
new BasicHttpBinding(),
new EndpointAddress(new Uri("http://localhost/DataflowControl.xaml")));
CreationEndpoint creationEndpoint = new CreationEndpoint(
new BasicHttpBinding(),
new EndpointAddress(new Uri("http://localhost/DataflowControl.xaml/Creation")));
host.AddServiceEndpoint(controlEndpoint);
host.AddServiceEndpoint(creationEndpoint);
host.Open();
Console.WriteLine("Host open...");
IWorkflowCreation creationClient = new ChannelFactory<IWorkflowCreation>(creationEndpoint.Binding, creationEndpoint.Address).CreateChannel();
// Start a new instance of the workflow
Guid instanceId = creationClient.CreateSuspended(null);
WorkflowControlClient controlClient = new WorkflowControlClient(controlEndpoint);
controlClient.Unsuspend(instanceId);
Console.WriteLine("Hit any key to exit Host...");
Console.ReadLine();
}
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;
}
protected internal override ServiceEndpoint CreateServiceEndpoint(ContractDescription contractDescription)
{
WorkflowControlEndpoint endpoint = new WorkflowControlEndpoint();
if (!string.IsNullOrEmpty(this.Binding))
{
System.ServiceModel.Channels.Binding binding = ConfigLoader.LookupBinding(this.Binding, this.BindingConfiguration);
if (binding == null)
{
throw FxTrace.Exception.AsError(new ConfigurationErrorsException(System.ServiceModel.Activities.SR.FailedToLoadBindingInControlEndpoint(this.Binding, this.BindingConfiguration, base.Name)));
}
endpoint.Binding = binding;
}
return endpoint;
}
// 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();
}
}
public WorkflowControlClient(WorkflowControlEndpoint workflowEndpoint)
: base(workflowEndpoint.Binding, workflowEndpoint.Address)
{
}
protected internal override ServiceEndpoint CreateServiceEndpoint(ContractDescription contractDescription)
{
WorkflowControlEndpoint result = new WorkflowControlEndpoint();
if (!string.IsNullOrEmpty(this.Binding))
{
Binding binding = ConfigLoader.LookupBinding(this.Binding, this.BindingConfiguration);
// we need to add validation here
if (binding == null)
{
throw FxTrace.Exception.AsError(new ConfigurationErrorsException(SR.FailedToLoadBindingInControlEndpoint(this.Binding, this.BindingConfiguration, this.Name)));
}
result.Binding = binding;
}
// This is only for client side
if (this.shouldLetConfigLoaderOverwriteAddress)
{
// ConfigLoader will check for null and overwrite it with the address from ChannelEndpointElement
result.Address = null;
}
return result;
}
public WorkflowControlEndpoint()
: this(WorkflowControlEndpoint.GetDefaultBinding(),
new EndpointAddress(new Uri(WorkflowControlEndpoint.DefaultBaseUri, new Uri(Guid.NewGuid().ToString(), UriKind.Relative))))
{
}
