public void Enqueue(BaseWoopsaSubscriptionServiceSubscription subscription, IWoopsaNotification notification,
out bool itemDiscarded)
{
PairSubscriptionNotification pair = new PairSubscriptionNotification(subscription, notification);
lock (_notifications)
{
if (subscription.MonitorInterval == WoopsaSubscriptionServiceConst.MonitorIntervalLastPublishedValueOnly)
{
// remove any existing notification from this subscription, as we want to keep only the last
LinkedListNode <PairSubscriptionNotification> node = _notifications.First;
while (node != null)
{
var next = node.Next;
if (node.Value.Key == subscription)
{
_notifications.Remove(node);
}
node = next;
}
}
itemDiscarded = _notifications.Count >= MaxQueueSize;
if (itemDiscarded)
{
while (_notifications.Count >= MaxQueueSize)
{
_notifications.RemoveFirst();
}
}
_notifications.AddLast(pair);
}
}
public IWoopsaNotification[] PeekNotifications(int maxCount)
{
lock (_notifications)
{
int count = Math.Min(_notifications.Count, maxCount);
IWoopsaNotification[] result = new IWoopsaNotification[count];
LinkedListNode <PairSubscriptionNotification> node = _notifications.First;
int i = 0;
while (node != null)
{
result[i] = node.Value.Value;
i++;
node = node.Next;
if (i >= count)
{
break;
}
}
return(result);
}
}
public void Add(IWoopsaNotification notification)
{
_notifications.Add(notification);
}
public static string Serialize(this IWoopsaNotification notification)
{
return(String.Format(NotificationFormat, notification.Value.Serialize(), notification.SubscriptionId, notification.Id));
}
public IWoopsaNotification[] PeekNotifications(int maxCount)
{
lock (_notifications)
{
int count = Math.Min(_notifications.Count, maxCount);
IWoopsaNotification[] result = new IWoopsaNotification[count];
LinkedListNode<PairSubscriptionNotification> node = _notifications.First;
int i = 0;
while (node != null)
{
result[i] = node.Value.Value;
i++;
node = node.Next;
if (i >= count)
break;
}
return result;
}
}
public void Enqueue(BaseWoopsaSubscriptionServiceSubscription subscription, IWoopsaNotification notification,
out bool itemDiscarded)
{
PairSubscriptionNotification pair = new PairSubscriptionNotification(subscription, notification);
lock (_notifications)
{
if (subscription.MonitorInterval == WoopsaSubscriptionServiceConst.MonitorIntervalLastPublishedValueOnly)
{
// remove any existing notification from this subscription, as we want to keep only the last
LinkedListNode<PairSubscriptionNotification> node = _notifications.First;
while (node != null)
{
var next = node.Next;
if (node.Value.Key == subscription)
_notifications.Remove(node);
node = next;
}
}
itemDiscarded = _notifications.Count >= MaxQueueSize;
if (itemDiscarded)
while (_notifications.Count >= MaxQueueSize)
_notifications.RemoveFirst();
_notifications.AddLast(pair);
}
}
public void Add(IWoopsaNotification notification)
{
_notifications.Add(notification);
}
