private void CheckForPendingQueues()
{
lock (queueGroupKeyToExecutionTimeDict)
{
DateTime now = DateTime.Now;
for (int a = pendingQueueGroups.Count; a-- > 0;)
{
// Look at the last QueueGroup
QueueGroup queueGroup = pendingQueueGroups[a];
if (now < queueGroup.ExecutionTime)
{
// If the next QueueGroup is not ready, the others won't be, too
break;
}
pendingQueueGroups.RemoveAt(a);
AbstractQueueGroupKey queueGroupKey = queueGroup.QueueGroupKey;
queueGroupKeyToExecutionTimeDict.Remove(queueGroupKey);
lock (queueGroupKeyToExecuteDict)
{
IList <QueueGroup> currentExecutedQueueGroups = DictionaryExtension.ValueOrDefault(queueGroupKeyToExecuteDict, queueGroupKey);
if (currentExecutedQueueGroups != null)
{
// There is already a thread executing the key. Nothing to do here
currentExecutedQueueGroups.Add(queueGroup);
return;
}
// List container for concurrent QueueGroup of the same key
currentExecutedQueueGroups = new List <QueueGroup>();
queueGroupKeyToExecuteDict[queueGroupKey] = currentExecutedQueueGroups;
}
if (queueGroup.QueueGroupKey.InvokeFromGuiThread && SyncContext != null)
{
SyncContext.Post(ExecuteQueuedDelegate, queueGroup);
continue;
}
Queue(delegate()
{
ExecuteQueuedDelegate(queueGroup);
});
}
}
}
private void ExecuteQueuedDelegate(Object state)
{
QueueGroup queueGroup = (QueueGroup)state;
AbstractQueueGroupKey queueGroupKey = queueGroup.QueueGroupKey;
bool doRun = true;
while (doRun)
{
try
{
if (queueGroupKey is QueueGroupKey)
{
((QueueGroupKey)queueGroupKey).QueuedDelegate.Invoke();
}
else
{
Delegate delegateObj = (Delegate)queueGroupKey.GetType().GetProperty("QueuedDelegate").GetValue(queueGroupKey, null);
delegateObj.DynamicInvoke(queueGroup.Queue);
}
}
finally
{
lock (queueGroupKeyToExecuteDict)
{
IList <QueueGroup> currentExecutedQueueGroups = DictionaryExtension.ValueOrDefault(queueGroupKeyToExecuteDict, queueGroupKey);
if (currentExecutedQueueGroups.Count > 0)
{
// There is another queueGroup of the same key ready to be executed. Do it now immediately
queueGroup = currentExecutedQueueGroups[0];
queueGroupKey = queueGroup.QueueGroupKey;
currentExecutedQueueGroups.RemoveAt(0);
}
else
{
queueGroupKeyToExecuteDict.Remove(queueGroupKey);
doRun = false;
}
}
}
}
}
public QueueGroup(AbstractQueueGroupKey queueGroupKey, IList queue)
{
this.QueueGroupKey = queueGroupKey;
this.Queue = queue;
ExecutionTime = DateTime.Now + TimeSpan.FromMilliseconds(queueGroupKey.QueueInterval);
}
