Github user thvasilo commented on a diff in the pull request:
https://github.com/apache/flink/pull/2761#discussion_r91119469
--- Diff:
flink-examples/flink-examples-streaming/src/main/scala/org/apache/flink/streaming/scala/examples/ml/IncrementalLearningSkeleton.scala
---
@@ -159,11 +160,46 @@ object IncrementalLearningSkeleton {
* Builds up-to-date partial models on new training data.
*/
private class PartialModelBuilder extends AllWindowFunction[Int,
Array[Double], TimeWindow] {
+
+ protected def buildPartialModel(values: Iterable[Int]): Array[Double]
= Array[Double](1)
+
override def apply(window: TimeWindow,
- input: Iterable[Int],
+ values: Iterable[Int],
out: Collector[Array[Double]]): Unit = {
- out.collect(Array[Double](1.0))
+ out.collect(buildPartialModel(values))
+ }
+ }
+
+ /**
+ * Creates newData using the model produced in batch-processing and the
+ * up-to-date partial model.
+ * <p>
+ * By defaults emits the Integer 0 for every newData and the Integer 1
--- End diff --
Typo: "defaults" should be "default"
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