scwhittle commented on a change in pull request #16992:
URL: https://github.com/apache/beam/pull/16992#discussion_r818010542
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File path:
runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/StreamingModeExecutionContext.java
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@@ -481,6 +481,25 @@ String getStateFamily(NameContext nameContext) {
return nameContext.userName() == null ? null :
stateNameMap.get(nameContext.userName());
}
+ private static class ScopedReadStateSupplier implements Supplier<Closeable> {
+ private final ExecutionState readState;
+ private final @Nullable ExecutionStateTracker stateTracker;
+
+ ScopedReadStateSupplier(
+ DataflowOperationContext operationContext, ExecutionStateTracker
stateTracker) {
+ this.readState = operationContext.newExecutionState("windmill-read");
Review comment:
nit: only do this if stateTracker is non-null?
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