public void ScheduleItem(SchedulableItem s, bool isInAtomicTransaction, bool transacted)
{
lock (this.syncObject)
{
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Information, 1, "Workflow Runtime: Scheduler: InstanceId: {0} : Scheduling entry: {1}", new object[] { this.RootWorkflowExecutor.InstanceIdString, s.ToString() });
(isInAtomicTransaction ? this.highPriorityEntriesQueue : this.normalPriorityEntriesQueue).Enqueue(s);
if (transacted)
{
if (this.transactedEntries == null)
{
this.transactedEntries = new Queue<SchedulableItem>();
}
this.transactedEntries.Enqueue(s);
}
if (!this.threadRequested && this.CanRun)
{
this.RootWorkflowExecutor.ScheduleForWork();
this.threadRequested = true;
}
this.empty = false;
}
}
void IWorkflowCoreRuntime.ScheduleItem(SchedulableItem item, bool isInAtomicTransaction, bool transacted, bool queueInTransaction)
{
if (!ServiceEnvironment.IsInServiceThread(this.InstanceId))
throw new InvalidOperationException(ExecutionStringManager.MustUseRuntimeThread);
if (!queueInTransaction)
this.Scheduler.ScheduleItem(item, isInAtomicTransaction, transacted);
else
this.AddItemToBeScheduledLater(this.CurrentActivity, item);
}
private void AddItemToBeScheduledLater(Activity atomicActivity, SchedulableItem item)
{
if (atomicActivity == null)
return;
// Activity may not be atomic and is an activity which is not
// yet scheduled for execution (typically receive case)
if (!atomicActivity.SupportsTransaction)
return;
TransactionalProperties transactionalProperties = (TransactionalProperties)atomicActivity.GetValue(TransactionalPropertiesProperty);
if (transactionalProperties != null)
{
lock (transactionalProperties)
{
List<SchedulableItem> notifications = null;
notifications = transactionalProperties.ItemsToBeScheduledAtCompletion;
if (notifications == null)
{
notifications = new List<SchedulableItem>();
transactionalProperties.ItemsToBeScheduledAtCompletion = notifications;
}
notifications.Add(item);
}
}
}
private void AddItemToBeScheduledLater(Activity atomicActivity, SchedulableItem item)
{
if ((atomicActivity != null) && atomicActivity.SupportsTransaction)
{
TransactionalProperties properties = (TransactionalProperties) atomicActivity.GetValue(TransactionalPropertiesProperty);
if (properties != null)
{
lock (properties)
{
List<SchedulableItem> itemsToBeScheduledAtCompletion = null;
itemsToBeScheduledAtCompletion = properties.ItemsToBeScheduledAtCompletion;
if (itemsToBeScheduledAtCompletion == null)
{
itemsToBeScheduledAtCompletion = new List<SchedulableItem>();
properties.ItemsToBeScheduledAtCompletion = itemsToBeScheduledAtCompletion;
}
itemsToBeScheduledAtCompletion.Add(item);
}
}
}
}
public void ScheduleItem(SchedulableItem item, bool isInAtomicTransaction)
{
Queue<SchedulableItem> queue = isInAtomicTransaction ? this.atomicActivityQueue : this.schedulerQueue;
queue.Enqueue(item);
}
public void ScheduleItem(SchedulableItem item, bool isInAtomicTransaction, bool transacted, bool queueInTransaction)
{
if (queueInTransaction)
{
this.AddItemToBeScheduledLater(this.CurrentActivity, item);
}
else
{
this.scheduler.ScheduleItem(item, isInAtomicTransaction);
}
}
