Java Code Examples for org.apache.flink.streaming.api.windowing.triggers.TriggerResult#FIRE

The following examples show how to use org.apache.flink.streaming.api.windowing.triggers.TriggerResult#FIRE . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: WindowOperatorTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up
@Override
public TriggerResult onElement(Object element, long timestamp, TimeWindow window, TriggerContext ctx) throws Exception {
	if (window.maxTimestamp() <= ctx.getCurrentWatermark()) {
		// if the watermark is already past the window fire immediately
		return TriggerResult.FIRE;
	} else {
		ctx.registerEventTimeTimer(window.maxTimestamp());
		return TriggerResult.CONTINUE;
	}
}
 
Example 2
Source File: WindowOperatorTest.java    From flink with Apache License 2.0 5 votes vote down vote up
@Override
public TriggerResult onElement(Object element, long timestamp, TimeWindow window, TriggerContext ctx) throws Exception {
	if (window.maxTimestamp() <= ctx.getCurrentWatermark()) {
		// if the watermark is already past the window fire immediately
		return TriggerResult.FIRE;
	} else {
		ctx.registerEventTimeTimer(window.maxTimestamp());
		return TriggerResult.CONTINUE;
	}
}
 
Example 3
Source File: CustomWindow.java    From examples-java with Apache License 2.0 5 votes vote down vote up
@Override
public TriggerResult onEventTime(long ts, TimeWindow w, TriggerContext ctx) throws Exception {
    if (ts == w.getEnd()) {
        // final evaluation and purge window state
        return TriggerResult.FIRE_AND_PURGE;
    } else {
        // register next early firing timer
        long t = ctx.getCurrentWatermark() + (1000 - (ctx.getCurrentWatermark() % 1000));
        if (t < w.getEnd()) {
            ctx.registerEventTimeTimer(t);
        }
        // fire trigger to early evaluate window
        return TriggerResult.FIRE;
    }
}
 
Example 4
Source File: WindowOperatorTest.java    From flink with Apache License 2.0 5 votes vote down vote up
@Override
public TriggerResult onElement(Object element, long timestamp, TimeWindow window, TriggerContext ctx) throws Exception {
	if (window.maxTimestamp() <= ctx.getCurrentWatermark()) {
		// if the watermark is already past the window fire immediately
		return TriggerResult.FIRE;
	} else {
		ctx.registerEventTimeTimer(window.maxTimestamp());
		return TriggerResult.CONTINUE;
	}
}
 
Example 5
Source File: AdvertisingTopologyFlinkWindows.java    From yahoo-streaming-benchmark with Apache License 2.0 4 votes vote down vote up
@Override
public TriggerResult onProcessingTime(long time, TimeWindow window, TriggerContext ctx) throws Exception {
  // schedule next timer
  ctx.registerProcessingTimeTimer(System.currentTimeMillis() + 1000L);
  return TriggerResult.FIRE;
}
 
Example 6
Source File: DrivingSegments.java    From flink-training-exercises with Apache License 2.0 4 votes vote down vote up
@Override
public TriggerResult onEventTime(long time, GlobalWindow window, TriggerContext ctx) {
	return TriggerResult.FIRE;
}