Github user StefanRRichter commented on a diff in the pull request:
https://github.com/apache/flink/pull/5977#discussion_r188221002
--- Diff:
flink-core/src/main/java/org/apache/flink/api/common/functions/RuntimeContext.java
---
@@ -71,6 +71,17 @@
@PublicEvolving
MetricGroup getMetricGroup();
+ /**
+ * Returned value is guaranteed to be unique between operators within
the same job and to be
+ * stable and the same across job submissions.
+ *
+ * <p>This operation is currently only supported in Streaming
(DataStream) contexts.
+ *
+ * @return String representation of the operator's unique id.
+ */
+ @PublicEvolving
+ String getOperatorUniqueID();
--- End diff --
Different point here, I think we would usually like to return `OperatorID`
here and not string, but it is probably in a wrong module. When moving
`OperatorID` seems to much, I would suggest to call the method something like
`getOperatorIDAsString` to make this a bit more explicit.
---
