public void Resume(Object eventTarget)
{
if (GuiThreadHelper.IsInGuiThread())
{
// Nothing to do
return;
}
IEventTargetExtractor eventTargetExtractor = typeToEventTargetExtractorsDict.GetExtension(eventTarget.GetType());
if (eventTargetExtractor == null)
{
return;
}
eventTarget = eventTargetExtractor.ExtractEventTarget(eventTarget);
if (eventTarget == null)
{
return;
}
IdentityLinkedSet <WaitForResumeItem> freeLatchMap = null;
try
{
PausedEventTargetItem pauseETI;
listenersWriteLock.Lock();
try
{
IdentityLinkedMap <Object, PausedEventTargetItem> pausedTargets = this.pausedTargets;
pauseETI = pausedTargets.Get(eventTarget);
if (pauseETI == null)
{
throw new System.Exception("No pause() active for target " + eventTarget);
}
pauseETI.PauseCount--;
if (pauseETI.PauseCount > 0)
{
return;
}
pausedTargets.Remove(eventTarget);
IList <Object> remainingPausedEventTargets = EvaluatePausedEventTargets();
IdentityHashSet <Object> remainingPausedEventTargetsSet = new IdentityHashSet <Object>();
Iterator <WaitForResumeItem> iter = waitForResumeSet.Iterator();
while (iter.MoveNext())
{
WaitForResumeItem pauseItem = iter.Current;
remainingPausedEventTargetsSet.AddAll(remainingPausedEventTargets);
remainingPausedEventTargetsSet.RetainAll(pauseItem.PendingPauses);
if (remainingPausedEventTargetsSet.Count == 0)
{
iter.Remove();
if (freeLatchMap == null)
{
freeLatchMap = new IdentityLinkedSet <WaitForResumeItem>();
}
freeLatchMap.Add(pauseItem);
}
remainingPausedEventTargetsSet.Clear();
}
}
finally
{
listenersWriteLock.Unlock();
}
}
finally
{
if (freeLatchMap != null)
{
foreach (WaitForResumeItem wfrItem in freeLatchMap)
{
wfrItem.Latch.CountDown();
}
foreach (WaitForResumeItem wfrItem in freeLatchMap)
{
try
{
wfrItem.ResultLatch.Await();
}
catch (System.Exception e)
{
throw new System.Exception("Fatal state occured. This may result in a global deadlock", e);
}
}
}
}
}