Idea:
As a method of deploying preprocessing and ML models it would be awesome to be able to convert a workflow to java...
Rationale:
models are needed to be deployed into Complex event processes or decision systems. Even for SAS there is a need to implement the datastep algorithms and procs to run in JVM.
Quickwin:
It is possible to convert a workflow into a PMML file and then use JMML package to convert that to Java. Yet the full workflow with all preprocessing alternatives and a series of ML methods may not be captured fully.
Competitor example:
For SAS case here is a similar solution: http://www.dullesresearch.com/carolina-features/