public BaseWindowedBolt<T> ingestionTimeWindow(Time size) {
        long s = size.toMilliseconds();
        ensurePositiveTime(s);

        setSizeAndSlide(s, DEFAULT_SLIDE);
        this.windowAssigner = TumblingIngestionTimeWindows.of(s);
        return this;
    }
public BaseWindowedBolt < T > ingestionTimeWindow ( Time size ) { long s = size . toMilliseconds ( ) ; ensurePositiveTime ( s ) ; setSizeAndSlide ( s , DEFAULT_SLIDE ) ; this . windowAssigner = TumblingIngestionTimeWindows . of ( s ) ; return this ; }
define a tumbling ingestion time window

@param size window size