Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/2541#discussion_r80730795
--- Diff:
flink-streaming-scala/src/main/scala/org/apache/flink/streaming/api/scala/StreamExecutionEnvironment.scala
---
@@ -124,7 +125,7 @@ class StreamExecutionEnvironment(javaEnv: JavaEnv) {
* Gets the checkpoint config, which defines values like checkpoint
interval, delay between
* checkpoints, etc.
*/
- def getCheckpointConfig = javaEnv.getCheckpointConfig()
--- End diff --
Calling Java methods with parenthesis or without actually somewhat subject
to debate.
For Scala methods, the writer decides whether it is a method with or
without parenthesis.
For Java, the caller can only "guess" what the method does (is returning a
mutable field considered a side effect?), so in most places we call Java
methods as Java methods.
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