amaliujia commented on a change in pull request #12488:
URL: https://github.com/apache/beam/pull/12488#discussion_r467330599
##########
File path:
runners/direct-java/src/main/java/org/apache/beam/runners/direct/DirectExecutionContext.java
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@@ -81,6 +89,22 @@ public DirectTimerInternals timerInternals() {
return timerInternals;
}
+ @Override
+ public BundleFinalizer bundleFinalizer() {
+ if (bundleFinalizer == null) {
+ bundleFinalizer = new InMemoryBundleFinalizer();
Review comment:
Line#37 says the implementation is not thread-safe. So I assume there is
no need to consider concurrent access to this initialization, right?
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