[jira] [Updated] (SPARK-16108) Why is KMeansModel (scala) private?

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-16108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-16108:
---------------------------------
    Labels: bulk-closed easyfix  (was: easyfix)

> Why is KMeansModel (scala) private?
> -----------------------------------
>
>                 Key: SPARK-16108
>                 URL: https://issues.apache.org/jira/browse/SPARK-16108
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 1.6.1
>            Reporter: Florian Golemo
>            Priority: Minor
>              Labels: bulk-closed, easyfix
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> Hey guys, 
> I was wondering, in the file KMeans.scala (org/apache/spark/ml/clustering/KMeans.scala), the class KMeansModel is private. But only in Scala, not in Java - why is that, and why would that be a good idea?
> More concretely, imagine I wanted to extend the KMeans class and still be compatible with the API so I can use it in a pipeline. In Scala that's not possible, because I can't override the 'fit' method of KMeans, because that requires me to return a KMeansModel, which I can't instantiate because the constructor of KMeansModel is private.
> If there is no apparent reason we could just make it public, no?



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