mxm commented on a change in pull request #11154: [BEAM-1819] Key should be
available in @OnTimer methods
URL: https://github.com/apache/beam/pull/11154#discussion_r410239653
##########
File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/DoFnOperator.java
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@@ -837,11 +837,15 @@ public void onProcessingTime(InternalTimer<ByteBuffer,
TimerData> timer) {
// allow overriding this in ExecutableStageDoFnOperator to set the key
context
protected void fireTimerInternal(Object key, TimerData timerData) {
- fireTimer(timerData);
+ if (key instanceof java.nio.ByteBuffer) {
+ key = FlinkKeyUtils.decodeKey((ByteBuffer) key, keyCoder);
Review comment:
Isn't `timer.getKey()` a new interface? Keys are always internally stored
encoded as ByteBuffer. The keys itself can of course be of any type. The test
might not instrument the code correctly.
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