Fix warnings
closes #15
diff --git a/src/main/scala/Engine.scala b/src/main/scala/Engine.scala
index ac587d7..c4a7459 100644
--- a/src/main/scala/Engine.scala
+++ b/src/main/scala/Engine.scala
@@ -1,6 +1,6 @@
package org.example.similarproduct
-import org.apache.predictionio.controller.IEngineFactory
+import org.apache.predictionio.controller.EngineFactory
import org.apache.predictionio.controller.Engine
case class Query(
@@ -23,7 +23,7 @@
score: Double
) extends Serializable
-object SimilarProductEngine extends IEngineFactory {
+object SimilarProductEngine extends EngineFactory {
def apply() = {
new Engine(
classOf[DataSource],