je-ik commented on a change in pull request #15665:
URL: https://github.com/apache/beam/pull/15665#discussion_r725866271
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File path:
runners/core-construction-java/src/main/java/org/apache/beam/runners/core/construction/ReshuffleTranslation.java
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@@ -36,26 +36,43 @@
})
public class ReshuffleTranslation {
- static class ReshuffleTranslator implements
TransformPayloadTranslator<Reshuffle<?, ?>> {
Review comment:
If I'm not completely wrong, the `TransformPayloadTranslator` is used
for two things:
a) convert PTransform to the portable representation, and
b) assign URN to a PTransform
The second case is used even by non-portable runners, if they use
`PTransformMatchers.urnEqualTo` to match known transforms. That is the case for
(classical) FlinkRunner as well.
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