Github user MechCoder commented on a diff in the pull request:
https://github.com/apache/spark/pull/8126#discussion_r36847382
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/clustering/LDAModel.scala ---
@@ -341,8 +352,14 @@ class LocalLDAModel private[clustering] (
}
}
-}
+ /** Java-friendly version of [[topicDistributions]] */
+ def topicDistributions(
+ documents: JavaRDD[(java.lang.Long, Vector)]):
JavaRDD[(java.lang.Long, Vector)] = {
+ val distributions =
topicDistributions(documents.rdd.asInstanceOf[RDD[(Long, Vector)]])
+ distributions.asInstanceOf[JavaRDD[(java.lang.Long, Vector)]]
--- End diff --
Is this type of class casting safe to do in general? I saw it being used in
other places so I just copied it.
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