m-trieu commented on code in PR #32566:
URL: https://github.com/apache/beam/pull/32566#discussion_r1776096965
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runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/StreamingModeExecutionContext.java:
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@@ -329,27 +328,27 @@ private <T> SideInput<T> fetchSideInputFromWindmill(
}
public Iterable<Windmill.GlobalDataId> getSideInputNotifications() {
- return work.getWorkItem().getGlobalDataIdNotificationsList();
+ return getWorkItem().getGlobalDataIdNotificationsList();
}
private List<Timer> getFiredTimers() {
- return work.getWorkItem().getTimers().getTimersList();
+ return getWorkItem().getTimers().getTimersList();
}
public @Nullable ByteString getSerializedKey() {
- return work.getWorkItem().getKey();
+ return work == null ? null : work.getWorkItem().getKey();
}
public WindmillComputationKey getComputationKey() {
return computationKey;
}
public long getWorkToken() {
- return work.getWorkItem().getWorkToken();
+ return getWorkItem().getWorkToken();
}
public Windmill.WorkItem getWorkItem() {
- return work.getWorkItem();
+ return checkNotNull(work).getWorkItem();
Review Comment:
checker will complain since we mark `work` field as `Nullable` now
this will still throw an NPE with the `checkNotNull` check
i added a more clear error message.
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