Github user MLnick commented on the issue:
https://github.com/apache/spark/pull/17819
The issue is the in the trait `setXXX` returns `this.type` which in Java in
the concrete class doesn't work, so the `setXXX` methods need to be implemented
in the concrete subclass. See the decision tree algos for example of this. The
`getXXX` are ok since they typically return a concrete type.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
