This repository hosts Java code examples for "Stream Processing with Apache Flink" by Fabian Hueske and Vasia Kalavri.
Note: The Java examples are not comlete yet.
The Scala examples are complete and we are working on translating them to Java.
Stream Processing with Apache Flink - Java Examples
License: Apache License 2.0
This repository hosts Java code examples for "Stream Processing with Apache Flink" by Fabian Hueske and Vasia Kalavri.
Note: The Java examples are not comlete yet.
The Scala examples are complete and we are working on translating them to Java.
What is the purpose of the code "ctx.registerEventTimeTimer" being called twice successively?
The code is in "public static class OneSecondIntervalTrigger" :
if (firstSeen.value() == null) {
// compute time for next early firing by rounding watermark to second
long t = ctx.getCurrentWatermark() + (1000 - (ctx.getCurrentWatermark() % 1000));
ctx.registerEventTimeTimer(t);
// register timer for the end of the window
ctx.registerEventTimeTimer(w.getEnd());
firstSeen.update(true);
}
Why isn't Java code updated anymore?
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