Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/7005#discussion_r34007136
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/fpm/FPGrowth.scala ---
@@ -40,7 +40,14 @@ import org.apache.spark.storage.StorageLevel
* @tparam Item item type
*/
@Experimental
-class FPGrowthModel[Item: ClassTag](val freqItemsets:
RDD[FreqItemset[Item]]) extends Serializable
+class FPGrowthModel[Item: ClassTag](
+ val freqItemsets: RDD[FreqItemset[Item]],
+ val numTransactions: Long) extends Serializable {
+
+ def this(javaFreqItemsets: JavaRDD[FreqItemset[Item]],
javaNumTransactions: Long) {
--- End diff --
Let's do this in a separate PR. We need a Java unit test to make sure it
works. The `numTransactions` change could be in a separate PR as well (with
unit test).
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