Style fixes

streaming/src/test/java/org/apache/spark/streaming/JavaTestUtils.scala

@@ -33,9 +33,9 @@ trait JavaTestBase extends TestSuiteBase {
    * The stream will be derived from the supplied lists of Java objects.
    **/
   def attachTestInputStream[T](
-    ssc: JavaStreamingContext,
-    data: JList[JList[T]],
-    numPartitions: Int) = {
+      ssc: JavaStreamingContext,
+      data: JList[JList[T]],
+      numPartitions: Int) = {
     val seqData = data.map(Seq(_:_*))
 
     implicit val cm: ClassManifest[T] =
@@ -50,7 +50,7 @@ trait JavaTestBase extends TestSuiteBase {
    * [[org.apache.spark.streaming.TestOutputStream]].
    **/
   def attachTestOutputStream[T, This <: JavaDStreamLike[T, This, R], R <: JavaRDDLike[T, R]](
-    dstream: JavaDStreamLike[T, This, R]) =
+      dstream: JavaDStreamLike[T, This, R]) =
   {
     implicit val cm: ClassManifest[T] =
       implicitly[ClassManifest[AnyRef]].asInstanceOf[ClassManifest[T]]
@@ -66,7 +66,7 @@ trait JavaTestBase extends TestSuiteBase {
    * Returns a list of items for each RDD.
    */
   def runStreams[V](
-    ssc: JavaStreamingContext, numBatches: Int, numExpectedOutput: Int): JList[JList[V]] = {
+      ssc: JavaStreamingContext, numBatches: Int, numExpectedOutput: Int): JList[JList[V]] = {
     implicit val cm: ClassManifest[V] =
       implicitly[ClassManifest[AnyRef]].asInstanceOf[ClassManifest[V]]
     val res = runStreams[V](ssc.ssc, numBatches, numExpectedOutput)
@@ -83,16 +83,16 @@ trait JavaTestBase extends TestSuiteBase {
    * Returns a sequence of RDD's. Each RDD is represented as several sequences of items, each
    * representing one partition.
    */
-  def runStreamsWithPartitions[V](
-    ssc: JavaStreamingContext, numBatches: Int, numExpectedOutput: Int): JList[JList[JList[V]]] = {
+  def runStreamsWithPartitions[V](ssc: JavaStreamingContext, numBatches: Int,
+      numExpectedOutput: Int): JList[JList[JList[V]]] = {
     implicit val cm: ClassManifest[V] =
       implicitly[ClassManifest[AnyRef]].asInstanceOf[ClassManifest[V]]
     val res = runStreamsWithPartitions[V](ssc.ssc, numBatches, numExpectedOutput)
     val out = new ArrayList[JList[JList[V]]]()
-    res.map(entry => {
+    res.map{entry =>
       val lists = entry.map(new ArrayList[V](_))
       out.append(new ArrayList[JList[V]](lists))
-    })
+    }
     out
   }
 }