in docker/ops-playground-image/java/flink-playground-clickcountjob/src/main/java/org/apache/flink/playgrounds/ops/clickcount/functions/ClickEventStatisticsCollector.java [37:46]
public void process(
final String page,
final Context context,
final Iterable<Long> elements,
final Collector<ClickEventStatistics> out) throws Exception {
Long count = elements.iterator().next();
out.collect(new ClickEventStatistics(new Date(context.window().getStart()), new Date(context.window().getEnd()), page, count));
}