lukecwik commented on a change in pull request #11607:
URL: https://github.com/apache/beam/pull/11607#discussion_r421827443
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/splittabledofn/WatermarkEstimators.java
##########
@@ -37,14 +37,16 @@
private Instant lastReportedWatermark;
public Manual(Instant watermark) {
- this.watermark = checkNotNull(watermark, "watermark must not be null.");
- if (watermark.isBefore(GlobalWindow.TIMESTAMP_MIN_VALUE)
- || watermark.isAfter(GlobalWindow.TIMESTAMP_MAX_VALUE)) {
- throw new IllegalArgumentException(
- String.format(
- "Provided watermark %s must be within bounds [%s, %s].",
- watermark, GlobalWindow.TIMESTAMP_MIN_VALUE,
GlobalWindow.TIMESTAMP_MAX_VALUE));
+ checkNotNull(watermark, "watermark must not be null.");
+
+ // Making sure that the watermark is within bounds.
Review comment:
`MIN` is the same but `GlobalWindow.MAX = BoundedWindow.MAX - 1 day` as
can be seen here:
https://github.com/apache/beam/blob/25b4ebc65953af34a0cfe83ed80feee0bc6df4ad/model/pipeline/src/main/proto/beam_runner_api.proto#L38
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