Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/5748#discussion_r35445108
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala ---
@@ -431,36 +422,41 @@ class Word2Vec extends Serializable with Logging {
* Word2Vec model
*/
@Experimental
-class Word2VecModel private[spark] (
- model: Map[String, Array[Float]]) extends Serializable with Saveable {
-
- // wordList: Ordered list of words obtained from model.
- private val wordList: Array[String] = model.keys.toArray
+class Word2VecModel private[mllib] (
+ private val wordIndex: Map[String, Int],
+ private val wordVectors: Array[Float]) extends Serializable with
Saveable {
// wordIndex: Maps each word to an index, which can retrieve the
corresponding
// vector from wordVectors (see below).
- private val wordIndex: Map[String, Int] = wordList.zip(0 until
model.size).toMap
+ // wordVectors: Array of length numWords * vectorSize, vector
corresponding
--- End diff --
Good question. Do you know if it shows up in the API docs, even though
it's private? (I'll check, but it may take a little while since I need to
compile them.)
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