// Methods
public void Add (TimerEventSubscription item)
{
int range = list.Count;
int middle, cmp;
int left = 0;
int right = range-1;
// Adds items always in a sorted order
while (left <= right) {
middle = (left + right) >> 1;
cmp = Comparer.Default.Compare (item.ExpiresAt,
((TimerEventSubscription) list [middle]).ExpiresAt);
if (cmp == 0) {
break;
}
if (cmp > 0) {
left = middle + 1;
}
else {
right = middle - 1;
}
}
list.Insert (left, item);
}
// Methods
public void Add(TimerEventSubscription item)
{
int range = list.Count;
int middle, cmp;
int left = 0;
int right = range - 1;
// Adds items always in a sorted order
while (left <= right)
{
middle = (left + right) >> 1;
cmp = Comparer.Default.Compare(item.ExpiresAt,
((TimerEventSubscription)list [middle]).ExpiresAt);
if (cmp == 0)
{
break;
}
if (cmp > 0)
{
left = middle + 1;
}
else
{
right = middle - 1;
}
}
list.Insert(left, item);
}
internal void Enqueue(TimerEventSubscription timerEventSubscription)
{
lock (locker)
{
WorkflowTrace.Host.TraceEvent(TraceEventType.Information, 0, "TimerEventSubscriptionQueue: {0} Enqueue Timer {1} for {2} ", instanceId, timerEventSubscription.SubscriptionId, timerEventSubscription.ExpiresAt);
queue.Enqueue(timerEventSubscription.SubscriptionId, timerEventSubscription, timerEventSubscription.ExpiresAt);
}
}
public void Remove(TimerEventSubscription item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
this.Remove(item.SubscriptionId);
}
public void Add(TimerEventSubscription item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
this.Enqueue(item);
}
public void Add(TimerEventSubscription item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
this.Enqueue(item);
}
internal void Enqueue(TimerEventSubscription timerEventSubscription)
{
lock (this.locker)
{
WorkflowTrace.Host.TraceEvent(TraceEventType.Information, 0, "TimerEventSubscriptionQueue: {0} Enqueue Timer {1} for {2} ", new object[] { this.instanceId, timerEventSubscription.SubscriptionId, timerEventSubscription.ExpiresAt });
this.queue.Enqueue(timerEventSubscription.SubscriptionId, timerEventSubscription, timerEventSubscription.ExpiresAt);
}
}
public void Constructor2 ()
{
TimerEventSubscription timer;
Guid workflowInstanceId = Guid.NewGuid ();
DateTime expiresAt = DateTime.Today;
timer = new TimerEventSubscription (workflowInstanceId, expiresAt);
Assert.AreEqual (workflowInstanceId, timer.WorkflowInstanceId, "C1#1");
Assert.AreEqual (timer.SubscriptionId, timer.QueueName, "C1#2");
}
internal TimerEventSubscription Dequeue()
{
lock (locker)
{
TimerEventSubscription retval = queue.Dequeue();
if (retval != null)
{
WorkflowTrace.Host.TraceEvent(TraceEventType.Information, 0, "TimerEventSubscriptionQueue: {0} Dequeue Timer {1} for {2} ", instanceId, retval.SubscriptionId, retval.ExpiresAt);
}
return(retval);
}
}
internal TimerEventSubscription Dequeue()
{
lock (this.locker)
{
TimerEventSubscription subscription = this.queue.Dequeue();
if (subscription != null)
{
WorkflowTrace.Host.TraceEvent(TraceEventType.Information, 0, "TimerEventSubscriptionQueue: {0} Dequeue Timer {1} for {2} ", new object[] { this.instanceId, subscription.SubscriptionId, subscription.ExpiresAt });
}
return(subscription);
}
}
public void TestCollection ()
{
TimerEventSubscriptionCollection col;
// There is no public constructor for TimerEventSubscriptionCollection
col = (TimerEventSubscriptionCollection) Activator.CreateInstance
(typeof (TimerEventSubscriptionCollection),
BindingFlags.Instance |BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public,
null, null, null);
TimerEventSubscription event1 = new TimerEventSubscription (Guid.NewGuid (),
new DateTime (2006, 07, 30));
TimerEventSubscription event2 = new TimerEventSubscription (Guid.NewGuid (),
new DateTime (2006, 07, 28));
TimerEventSubscription event3 = new TimerEventSubscription (Guid.NewGuid (),
new DateTime (2006, 08, 28));
TimerEventSubscription event4 = new TimerEventSubscription (Guid.NewGuid (),
new DateTime (2007, 08, 28));
TimerEventSubscription event5 = new TimerEventSubscription (Guid.NewGuid (),
new DateTime (2006, 05, 28));
TimerEventSubscription event6 = new TimerEventSubscription (Guid.NewGuid (),
new DateTime (2008, 02, 28));
TimerEventSubscription event7 = new TimerEventSubscription (Guid.NewGuid (),
new DateTime (2005, 05, 28));
col.Add (event1);
col.Add (event2);
col.Add (event3);
col.Add (event4);
col.Add (event5);
col.Add (event6);
col.Add (event7);
Assert.AreEqual (event7.ExpiresAt, col.Peek ().ExpiresAt, "C1#1");
col.Remove (col.Peek ());
Assert.AreEqual (event5.ExpiresAt, col.Peek ().ExpiresAt, "C1#2");
col.Remove (col.Peek ());
Assert.AreEqual (event2.ExpiresAt, col.Peek ().ExpiresAt, "C1#3");
col.Remove (col.Peek ());
Assert.AreEqual (event1.ExpiresAt, col.Peek ().ExpiresAt, "C1#4");
col.Remove (col.Peek ());
Assert.AreEqual (event3.ExpiresAt, col.Peek ().ExpiresAt, "C1#5");
col.Remove (col.Peek ());
Assert.AreEqual (event4.ExpiresAt, col.Peek ().ExpiresAt, "C1#6");
}
public void CopyTo(Array array, int index)
{
TimerEventSubscription[] subscriptionArray = null;
lock (this.locker)
{
subscriptionArray = new TimerEventSubscription[this.queue.Count];
this.queue.Values.CopyTo(subscriptionArray, 0);
}
if (subscriptionArray != null)
{
subscriptionArray.CopyTo(array, index);
}
}
internal void SuspendDelivery()
{
lock (this.locker)
{
WorkflowTrace.Host.TraceEvent(TraceEventType.Information, 0, "TimerEventSubscriptionQueue: {0} Suspend", new object[] { this.instanceId });
WorkflowSchedulerService service = this.executor.GetService(typeof(WorkflowSchedulerService)) as WorkflowSchedulerService;
TimerEventSubscription subscription = this.queue.Peek();
if (subscription != null)
{
service.Cancel(subscription.SubscriptionId);
}
}
}
internal void ResumeDelivery()
{
lock (this.locker)
{
WorkflowTrace.Host.TraceEvent(TraceEventType.Information, 0, "TimerEventSubscriptionQueue: {0} Resume", new object[] { this.instanceId });
WorkflowSchedulerService service = this.executor.GetService(typeof(WorkflowSchedulerService)) as WorkflowSchedulerService;
TimerEventSubscription subscription = this.queue.Peek();
if (subscription != null)
{
service.Schedule(this.executor.ProcessTimersCallback, subscription.WorkflowInstanceId, subscription.ExpiresAt, subscription.SubscriptionId);
}
}
}
public void CopyTo(Array array, int index)
{
TimerEventSubscription[] subscriptionArray = null;
lock (this.locker)
{
subscriptionArray = new TimerEventSubscription[this.queue.Count];
this.queue.Values.CopyTo(subscriptionArray, 0);
}
if (subscriptionArray != null)
{
subscriptionArray.CopyTo(array, index);
}
}
public void CopyTo(Array array, int index)
{
TimerEventSubscription[] tes = null;
lock (locker)
{
tes = new TimerEventSubscription[queue.Count];
queue.Values.CopyTo(tes, 0);
}
if (tes != null)
{
tes.CopyTo(array, index);
}
}
// This is called by the timer to process the TimeEventSubcriptionCollection
static private void TimerSubscriptionsCallback(object state)
{
WorkflowInstance wi = (WorkflowInstance)state;
if (wi.TimerEventSubscriptionCollection.Count == 0)
{
return;
}
if (wi.TimerEventSubscriptionCollection.Peek().ExpiresAt > DateTime.UtcNow)
{
return;
}
TimerEventSubscription ti = wi.TimerEventSubscriptionCollection [0];
// Event has arrived, send a message to the queue
wi.EnqueueItem(ti.QueueName, ti, null, null);
wi.TimerEventSubscriptionCollection.Remove(ti);
}
protected IComparable SetTimer (ActivityExecutionContext executionContext, DateTime expiresAt)
{
#if RUNTIME_DEP
TimerEventSubscription te;
WorkflowQueue queue;
te = new TimerEventSubscription (executionContext.ExecutionContextManager.Workflow.InstanceId,
expiresAt);
WorkflowQueuingService qService = executionContext.GetService <WorkflowQueuingService> ();
queue = qService.CreateWorkflowQueue (te.QueueName, true);
queue.QueueItemArrived += OnQueueTimerItemArrived;
executionContext.ExecutionContextManager.Workflow.TimerEventSubscriptionCollection.Add (te);
return te.QueueName;
#else
return null;
#endif
}
public void Remove(TimerEventSubscription item)
{
list.Remove(item);
}
public void CopyTo(Array array, int index)
{
TimerEventSubscription[] tes = null;
lock (locker)
{
tes = new TimerEventSubscription[queue.Count];
queue.Values.CopyTo(tes, 0);
}
if (tes != null)
tes.CopyTo(array, index);
}
public void Remove(TimerEventSubscription item)
{
if (item == null)
throw new ArgumentNullException("item");
this.Remove(item.SubscriptionId);
}
public void Remove (TimerEventSubscription item)
{
list.Remove (item);
}
