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);
}
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();
}
static void Snippet2()
{
// <Snippet2>
WorkflowControlEndpoint wce = new WorkflowControlEndpoint(new BasicHttpBinding(), new EndpointAddress(new Uri("http://localhost/DataflowControl.xaml")));
WorkflowControlClient controlClient = new WorkflowControlClient(wce);
// </Snippet2>
}
public static WorkflowServiceHost CreateWorkflowServiceHost()
{
WorkflowService service = new WorkflowService()
{
Body = PurchaseOrderWorkflow.CreateBody(),
Endpoints =
{
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);
IServiceBehavior idleBehavior = new WorkflowIdleBehavior {
TimeToUnload = TimeSpan.Zero
};
workflowServiceHost.Description.Behaviors.Add(idleBehavior);
IServiceBehavior workflowUnhandledExceptionBehavior = new WorkflowUnhandledExceptionBehavior()
{
Action = WorkflowUnhandledExceptionAction.AbandonAndSuspend
};
workflowServiceHost.Description.Behaviors.Add(workflowUnhandledExceptionBehavior);
SqlWorkflowInstanceStoreBehavior instanceStoreBehavior = new SqlWorkflowInstanceStoreBehavior()
{
ConnectionString = "Server=localhost\\SQLEXPRESS;Integrated Security=true;Initial Catalog=DefaultSampleStore;"
};
workflowServiceHost.Description.Behaviors.Add(instanceStoreBehavior);
ServiceEndpoint workflowControlEndpoint = new WorkflowControlEndpoint()
{
Binding = new System.ServiceModel.NetNamedPipeBinding(System.ServiceModel.NetNamedPipeSecurityMode.None),
Address = new System.ServiceModel.EndpointAddress("net.pipe://workflowInstanceControl")
};
workflowServiceHost.AddServiceEndpoint(workflowControlEndpoint);
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);
}
static void Main()
{
// Same workflow as Dataflow sample
Activity workflow = LoadProgram("Dataflow.xaml");
WorkflowServiceHost host = new WorkflowServiceHost(workflow,
new Uri("http://localhost/Dataflow.xaml"));
host.Description.Behaviors.Add(new SqlWorkflowInstanceStoreBehavior
{
ConnectionString = ConfigurationManager.ConnectionStrings["persistenceStore"].ConnectionString,
InstanceEncodingOption = InstanceEncodingOption.None,
InstanceCompletionAction = InstanceCompletionAction.DeleteAll,
InstanceLockedExceptionAction = InstanceLockedExceptionAction.NoRetry,
HostLockRenewalPeriod = new TimeSpan(0, 0, 30),
RunnableInstancesDetectionPeriod = new TimeSpan(0, 0, 5)
});
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();
}
// 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();
}
}
