/// <summary>
/// Obtains the ISharedDispatcherTimer instance from the dictionary for the given <paramref name="tickInterval"/> (createing one if needed) and returns it.
/// </summary>
private static ISharedDispatcherTimer GetSharedTimer(double rate, TimeSpan tickInterval)
{
ISharedDispatcherTimer sharedDispatcherTimer = sharedTimerDictionary.SafeTryGetValue(tickInterval);
if (sharedDispatcherTimer == null)
{
sharedTimerDictionary[tickInterval] = (sharedDispatcherTimer = new SharedDispatcherTimer(rate, tickInterval));
}
return(sharedDispatcherTimer);
}
/// <summary>
/// Obtains the ISharedDispatcherTimer instance from the dictionary (createing one if needed),
/// Adds any of the optional Tick event handler signatures (as supported by the ISharedDispatchTimer's TickNotificationList)
/// and returns an IDisposable token that will release use of the timer and will remove any given Tick event handler signatures from the underlying TickNotificationList when the token is dipsosed.
/// </summary>
public static IDisposable GetAndStartSharedTimer(double rate, string clientName, BasicNotificationDelegate onTickNotifyDelegate = null, INotifyable notifyableTarget = null, System.Threading.EventWaitHandle eventWaitHandle = null)
{
ISharedDispatcherTimer sharedDispatcherTimer = GetSharedTimer(rate);
if (onTickNotifyDelegate != null)
{
sharedDispatcherTimer.TickNotificationList.OnNotify += onTickNotifyDelegate;
}
if (notifyableTarget != null)
{
sharedDispatcherTimer.TickNotificationList.AddItem(notifyableTarget);
}
if (eventWaitHandle != null)
{
sharedDispatcherTimer.TickNotificationList.AddItem(eventWaitHandle);
}
IDisposable token = sharedDispatcherTimer.GetRunTimerToken(clientName);
return(new ExplicitDisposeActionList()
.AddItems(() => Fcns.DisposeOfGivenObject(token),
() =>
{
if (onTickNotifyDelegate != null)
{
sharedDispatcherTimer.TickNotificationList.OnNotify -= onTickNotifyDelegate;
}
if (notifyableTarget != null)
{
sharedDispatcherTimer.TickNotificationList.RemoveItem(notifyableTarget);
}
if (eventWaitHandle != null)
{
sharedDispatcherTimer.TickNotificationList.RemoveItem(eventWaitHandle);
}
}));
}
