TheNeuralBit commented on a change in pull request #11477:
URL: https://github.com/apache/beam/pull/11477#discussion_r418724351
##########
File path:
examples/java/src/main/java/org/apache/beam/examples/snippets/Snippets.java
##########
@@ -785,4 +787,73 @@ public static void main(String[] args) {
}
}
+
+ public static class PeriodicallyUpdatingSideInputs {
+
+ public static PCollection<Long> main(
+ Pipeline p,
+ Instant startAt,
+ Instant stopAt,
+ Duration interval1,
+ Duration interval2,
+ String fileToRead) {
+ // [START PeriodicallyUpdatingSideInputs]
+ PCollectionView<List<Long>> sideInput =
+ p.apply(
+ "SIImpulse",
+ PeriodicImpulse.create()
+ .startAt(startAt)
+ .stopAt(stopAt)
+ .withInterval(interval1)
+ .applyWindowing())
+ .apply(
+ "FileToRead",
+ ParDo.of(
+ new DoFn<Instant, String>() {
+ @DoFn.ProcessElement
+ public void process(@Element Instant notUsed,
OutputReceiver<String> o) {
+ o.output(fileToRead);
+ }
+ }))
+ .apply(FileIO.matchAll())
+ .apply(FileIO.readMatches())
+ .apply(TextIO.readFiles())
+ .apply(
+ ParDo.of(
+ new DoFn<String, String>() {
+ @ProcessElement
+ public void process(@Element String src,
OutputReceiver<String> o) {
+ System.out.println(src);
Review comment:
Sorry just noticed this. Can you replace it with a log statement?
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