Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/5748#discussion_r35392035
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala ---
@@ -548,6 +545,24 @@ class Word2VecModel private[spark] (
@Experimental
object Word2VecModel extends Loader[Word2VecModel] {
+ private def buildWordIndex(model: Map[String, Array[Float]]):
Map[String, Int] = {
+ model.keys.zipWithIndex.toMap
+ }
+
+ private def buildWordVectors(model: Map[String, Array[Float]]):
Array[Float] = {
+ require(!model.isEmpty, "Word2VecMap should be non-empty")
--- End diff --
nit: Use ```model.nonEmpty```
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