private void DeleteSubscription(ActivityExecutionContext context)
{
if (this.queueName == null)
{
return;
}
WorkflowQueuingService queueSvcs = context.GetService <WorkflowQueuingService>();
if (queueCreator)
{
queueSvcs.DeleteWorkflowQueue(this.queueName);
}
if (this.eventHandler != null)
{
return;
}
WorkflowSubscriptionService subscriptionService = context.GetService <WorkflowSubscriptionService>();
if (subscriptionService != null)
{
subscriptionService.DeleteSubscription(this.subscriptionId);
}
WorkflowActivityTrace.Activity.TraceEvent(TraceEventType.Information, 0, "CorrelationTokenInvalidatedHandler subscription deleted SubId {0} QueueId {1}", this.subscriptionId, this.queueName);
}
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);
}
private void DeleteSubscription(ActivityExecutionContext context)
{
if (this.queueName != null)
{
WorkflowQueuingService service = context.GetService <WorkflowQueuingService>();
if (this.queueCreator)
{
service.DeleteWorkflowQueue(this.queueName);
}
if (this.eventHandler == null)
{
WorkflowSubscriptionService service2 = context.GetService <WorkflowSubscriptionService>();
if (service2 != null)
{
service2.DeleteSubscription(this.subscriptionId);
}
WorkflowActivityTrace.Activity.TraceEvent(TraceEventType.Information, 0, "CorrelationTokenInvalidatedHandler subscription deleted SubId {0} QueueId {1}", new object[] { this.subscriptionId, this.queueName });
}
}
}