/// <summary>
/// Sets the <see cref="IWindowEvictor{TElement,TWindow}"/> which will be able to remove elements from the window after the trigger fires and before and/or after the function is applied.
/// Note: When using an evictor window performance will degrade significantly, since incremental aggregation of window results cannot be used.
/// </summary>
/// <param name="evictor"></param>
/// <returns></returns>
public AllWindowedStream <TElement, TWindow> Evictor(IWindowEvictor <TElement, TWindow> evictor)
{
if (_assigner is BaseAlignedWindowAssigner <TElement> )
{
throw new InvalidOperationException("Cannot use a " + _assigner + " with an Evictor.");
}
_evictor = evictor;
return(this);
}
private static String GenerateOperatorName <TE, TW>(
WindowAssigner <TE, TW> assigner,
WindowTrigger <TE, TW> trigger,
IWindowEvictor <TE, TW> evictor,
IFunction function1,
IFunction function2) where TW : Window
{
return("Window(" +
assigner + ", " +
trigger.GetType().Name + ", " +
(evictor == null ? "" : (evictor.GetType().Name + ", ")) +
GenerateFunctionName(function1) +
(function2 == null ? "" : (", " + GenerateFunctionName(function2))) +
")");
}
/// <summary>
/// Sets the <see cref="IWindowEvictor{TElement,TWindow}"/> that should be used to evict elements from a window before emission.
/// Note: When using an evictor window performance will degrade significantly, since incremental aggregation of window results cannot be used.
/// </summary>
/// <param name="evictor"></param>
/// <returns></returns>
public WindowedStream <TElement, TKey, TWindow> Evictor(IWindowEvictor <TElement, TWindow> evictor)
{
return(this);
}
