internal void CreateQueue(ActivityExecutionContext context)
{
if (StateMachineHelpers.IsRootExecutionContext(context))
{
WorkflowQueuingService service = context.GetService <WorkflowQueuingService>();
MessageEventSubscription subscription = new MessageEventSubscription("SetStateQueue", this._instanceId);
service.CreateWorkflowQueue("SetStateQueue", true);
base.SubscriptionId = subscription.SubscriptionId;
}
}
internal void CreateQueue(ActivityExecutionContext context)
{
if (StateMachineHelpers.IsRootExecutionContext(context))
{
WorkflowQueuingService service = context.GetService<WorkflowQueuingService>();
MessageEventSubscription subscription = new MessageEventSubscription("SetStateQueue", this._instanceId);
service.CreateWorkflowQueue("SetStateQueue", true);
base.SubscriptionId = subscription.SubscriptionId;
}
}
private void CreateSubscription(Guid instanceId, ActivityExecutionContext context, ICollection <CorrelationProperty> correlationValues)
{
WorkflowQueuingService queueSvcs = context.GetService <WorkflowQueuingService>();
EventQueueName queueId = new EventQueueName(this.interfaceType, this.followerOperation, correlationValues);
WorkflowQueue workflowQueue = null;
if (!queueSvcs.Exists(queueId))
{
WorkflowActivityTrace.Activity.TraceEvent(TraceEventType.Information, 0, "CorrelationTokenInvalidatedHandler: creating q {0} ", queueId.GetHashCode());
workflowQueue = queueSvcs.CreateWorkflowQueue(queueId, true);
queueCreator = true;
}
else
{
workflowQueue = queueSvcs.GetWorkflowQueue(queueId);
}
if (this.eventHandler != null)
{
workflowQueue.RegisterForQueueItemAvailable(this.eventHandler);
}
WorkflowSubscriptionService subscriptionService = (WorkflowSubscriptionService)context.GetService(typeof(WorkflowSubscriptionService));
MessageEventSubscription subscription = new MessageEventSubscription(queueId, instanceId);
this.queueName = queueId;
this.subscriptionId = subscription.SubscriptionId;
subscription.InterfaceType = this.interfaceType;
subscription.MethodName = this.followerOperation;
this.interfaceType = null;
this.followerOperation = null;
if (correlationValues != null)
{
foreach (CorrelationProperty property in correlationValues)
{
subscription.CorrelationProperties.Add(property);
}
}
if (this.eventHandler != null)
{
return;
}
if (subscriptionService == null)
{
return;
}
subscriptionService.CreateSubscription(subscription);
}
internal void CreateQueue(ActivityExecutionContext context)
{
if (!StateMachineHelpers.IsRootExecutionContext(context))
{
// we only subscribe to the set state event if
// we're at the root level. If this instance is
// being called, it is not possible to set the
// state from the host side directly
return;
}
WorkflowQueuingService workflowQueuingService = context.GetService <WorkflowQueuingService>();
MessageEventSubscription subscription = new MessageEventSubscription(
StateMachineWorkflowActivity.SetStateQueueName,
this._instanceId);
WorkflowQueue workflowQueue = workflowQueuingService.CreateWorkflowQueue(
StateMachineWorkflowActivity.SetStateQueueName,
true);
this.SubscriptionId = subscription.SubscriptionId;
}
public abstract void CreateSubscription(MessageEventSubscription subscription);