From d952d44c2da9d064a15ef93139c74bac98c2a1a2 Mon Sep 17 00:00:00 2001
From: Rajdeep Dua <dua_rajdeep@yahoo.com>
Date: Wed, 28 Dec 2016 14:42:06 +0530
Subject: [PATCH] [PIO-48] scala-local-helloword Sample Not working

---
 .../scala-local-helloworld/HelloWorld.scala   | 20 ++++++++++++++-----
 .../scala-local-helloworld/build.sbt          |  6 ++++--
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/examples/experimental/scala-local-helloworld/HelloWorld.scala b/examples/experimental/scala-local-helloworld/HelloWorld.scala
index bc565ce5d2..6ec4f0af56 100644
--- a/examples/experimental/scala-local-helloworld/HelloWorld.scala
+++ b/examples/experimental/scala-local-helloworld/HelloWorld.scala
@@ -42,11 +42,17 @@ class MyPredictedResult(
   val temperature: Double
 ) extends Serializable
 
-// controller components
-class MyDataSource extends LDataSource[EmptyDataSourceParams, EmptyDataParams,
-  MyTrainingData, MyQuery, EmptyActualResult] {
+case class MyDataSourceParams(val multiplier: Int
+                             ) extends Params
+
+class MyDataSource extends LDataSource[
+  MyTrainingData,
+  EmptyEvaluationInfo,
+  MyQuery,
+  EmptyActualResult] {
 
   /* override this to return Training Data only */
+
   override
   def readTraining(): MyTrainingData = {
     val lines = Source.fromFile("../data/helloworld/data.csv").getLines()
@@ -59,8 +65,12 @@ class MyDataSource extends LDataSource[EmptyDataSourceParams, EmptyDataParams,
   }
 }
 
-class MyAlgorithm extends LAlgorithm[EmptyAlgorithmParams, MyTrainingData,
-  MyModel, MyQuery, MyPredictedResult] {
+class MyAlgorithm extends LAlgorithm[
+  MyTrainingData,
+  MyModel,
+  MyQuery,
+  MyPredictedResult] {
+
 
   override
   def train(pd: MyTrainingData): MyModel = {
diff --git a/examples/experimental/scala-local-helloworld/build.sbt b/examples/experimental/scala-local-helloworld/build.sbt
index df7ba52ef1..94d147e275 100644
--- a/examples/experimental/scala-local-helloworld/build.sbt
+++ b/examples/experimental/scala-local-helloworld/build.sbt
@@ -24,6 +24,8 @@ name := "example-scala-local-helloworld"
 organization := "org.sample"
 
 libraryDependencies ++= Seq(
-  "org.apache.predictionio" %% "core" % "0.9.1" % "provided",
-  "org.apache.predictionio" %% "data" % "0.9.1" % "provided",
+  "org.slf4j" % "slf4j-api" % "1.6.1",
+  "org.apache.predictionio" % "apache-predictionio-data_2.10" % "0.10.0-incubating",
+  "org.apache.predictionio" %% "apache-predictionio-core" % "0.10.0-incubating",
   "org.apache.spark" %% "spark-core" % "1.2.0" % "provided")
+