vjagadish1989 commented on a change in pull request #905: SAMZA-2055: [WIP]
Async high level api
URL: https://github.com/apache/samza/pull/905#discussion_r262762273
##########
File path:
samza-core/src/main/java/org/apache/samza/operators/impl/OperatorImpl.java
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@@ -184,19 +185,41 @@ public final void onMessage(M message, MessageCollector
collector, TaskCoordinat
getOpImplId(), getOperatorSpec().getSourceLocation(),
expectedType, actualType), e);
}
- long endNs = this.highResClock.nanoTime();
- this.handleMessageNs.update(endNs - startNs);
-
- results.forEach(rm ->
- this.registeredOperators.forEach(op ->
- op.onMessage(rm, collector, coordinator)));
+ CompletionStage<Void> result =
completableResultsFuture.thenCompose(results -> {
+ long endNs = this.highResClock.nanoTime();
+ this.handleMessageNs.update(endNs - startNs);
+
+ return CompletableFuture.allOf(results.stream()
Review comment:
Upto you; But, I'd personally prefer retaining the forEach flow for
consistency with rest of the code-base
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