public override void Clear(TWindow window, IWindowTriggerContext ctx) => NestedTrigger.Clear(window, ctx);
public override void Clear(TWindow window, IWindowTriggerContext ctx) => ctx.GetPartitionedState(_stateDesc).Clear();
public override WindowTriggerResult OnElement(TElement element, long timestamp, TWindow window, IWindowTriggerContext ctx)
{
var count = ctx.GetPartitionedState(_stateDesc);
count.Add(1L);
if (count.Get() < Limit)
{
return(WindowTriggerResult.Continue);
}
count.Clear();
return(WindowTriggerResult.Fire);
}
public override WindowTriggerResult OnEventTime(long time, TimeWindow window, IWindowTriggerContext ctx) => WindowTriggerResult.Continue;
public override WindowTriggerResult OnProcessingTime(long time, TWindow window, IWindowTriggerContext ctx)
{
throw new NotImplementedException();
}
public override WindowTriggerResult OnElement(TElement element, long timestamp, TWindow window, IWindowTriggerContext ctx)
{
throw new System.NotImplementedException();
}
public override WindowTriggerResult OnEventTime(long time, TWindow window, IWindowTriggerContext ctx)
{
throw new System.NotImplementedException();
}
/// <summary> /// Called when an event-time timer that was set using the trigger context fires. /// Note: This method is not called in case the window does not contain any elements. /// </summary> /// <param name="time">The timestamp at which the timer fired.</param> /// <param name="window">The window for which the timer fired.</param> /// <param name="ctx">A context object that can be used to register timer callbacks.</param> /// <returns>the triggered result.</returns> public abstract WindowTriggerResult OnEventTime(long time, TWindow window, IWindowTriggerContext ctx);
/// <summary> /// Clears any state that the trigger might still hold for the given window. This is called when a window is purged. /// </summary> /// <param name="window"></param> /// <param name="ctx"></param> public abstract void Clear(TWindow window, IWindowTriggerContext ctx);
/// <summary> /// Called for every element that gets added to a pane. The result of this will determine whether the pane is evaluated to emit results. /// This method is not called in case the window does not contain any elements. /// </summary> /// <param name="element">The element that arrived.</param> /// <param name="timestamp">The timestamp of the element that arrived.</param> /// <param name="window">The window to which the element is being added.</param> /// <param name="ctx">A context object that can be used to register timer callbacks.</param> /// <returns>the triggered result.</returns> public abstract WindowTriggerResult OnElement(TElement element, long timestamp, TWindow window, IWindowTriggerContext ctx);
/// <summary> /// Called when a processing-time timer that was set using the trigger context fires. /// This method is not called in case the window does not contain any elements. /// </summary> /// <param name="time">The timestamp at which the timer fired.</param> /// <param name="window">The window for which the timer fired.</param> /// <param name="ctx">A context object that can be used to register timer callbacks.</param> /// <returns>the triggered result.</returns> public abstract WindowTriggerResult OnProcessingTime(long time, TWindow window, IWindowTriggerContext ctx);
public override WindowTriggerResult OnEventTime(long time, TimeWindow window, IWindowTriggerContext ctx) => time == window.MaxTimestamp ? WindowTriggerResult.Fire : WindowTriggerResult.Continue;
public override WindowTriggerResult OnElement(TElement element, long timestamp, TimeWindow window, IWindowTriggerContext ctx)
{
// if the watermark is already past the window fire immediately
if (window.MaxTimestamp <= ctx.CurrentWatermark)
{
return(WindowTriggerResult.Fire);
}
ctx.RegisterEventTimeTimer(window.MaxTimestamp);
return(WindowTriggerResult.Continue);
}
public override void Clear(TimeWindow window, IWindowTriggerContext ctx) => ctx.DeleteEventTimeTimer(window.MaxTimestamp);
public override WindowTriggerResult OnElement(TElement element, long timestamp, TWindow window, IWindowTriggerContext ctx)
{
var triggerResult = NestedTrigger.OnElement(element, timestamp, window, ctx);
return(triggerResult.IsFire ? WindowTriggerResult.FireAndPurge : triggerResult);
}
public override WindowTriggerResult OnElement(TElement element, long timestamp, GlobalWindow window, IWindowTriggerContext ctx)
{
return(WindowTriggerResult.Continue);
}
public override WindowTriggerResult OnProcessingTime(long time, TWindow window, IWindowTriggerContext ctx)
{
var triggerResult = NestedTrigger.OnProcessingTime(time, window, ctx);
return(triggerResult.IsFire ? WindowTriggerResult.FireAndPurge : triggerResult);
}
public override WindowTriggerResult OnEventTime(long time, GlobalWindow window, IWindowTriggerContext ctx)
{
return(WindowTriggerResult.Continue);
}
public override WindowTriggerResult OnProcessingTime(long time, TWindow window, IWindowTriggerContext ctx) => WindowTriggerResult.Continue;
public override WindowTriggerResult OnElement(TElement element, long timestamp, TWindow window, IWindowTriggerContext ctx)
{
var lastElementState = ctx.GetPartitionedState(_stateDesc);
if (lastElementState.Value == null)
{
lastElementState.Value = element;
return(WindowTriggerResult.Continue);
}
if (DeltaFunction.GetDelta(lastElementState.Value, element) <= Threshold)
{
return(WindowTriggerResult.Continue);
}
lastElementState.Value = element;
return(WindowTriggerResult.Fire);
}
public override void Clear(TWindow window, IWindowTriggerContext ctx)
{
throw new System.NotImplementedException();
}
public override WindowTriggerResult OnElement(TElement element, long timestamp, TimeWindow window, IWindowTriggerContext ctx)
{
ctx.RegisterProcessingTimeTimer(window.MaxTimestamp);
return(WindowTriggerResult.Continue);
}
