[SPARK-7929] Remove Bagel examples & whitespace fix for examples.

Author: rxin

examples/src/main/scala/org/apache/spark/examples/CassandraCQLTest.scala

@@ -104,8 +104,8 @@ object CassandraCQLTest {
 
     val casRdd = sc.newAPIHadoopRDD(job.getConfiguration(),
       classOf[CqlPagingInputFormat],
-      classOf[java.util.Map[String,ByteBuffer]],
-      classOf[java.util.Map[String,ByteBuffer]])
+      classOf[java.util.Map[String, ByteBuffer]],
+      classOf[java.util.Map[String, ByteBuffer]])
 
     println("Count: " + casRdd.count)
     val productSaleRDD = casRdd.map {
@@ -118,7 +118,7 @@ object CassandraCQLTest {
       case (productId, saleCount) => println(productId + ":" + saleCount)
     }
 
-    val casoutputCF  = aggregatedRDD.map {
+    val casoutputCF = aggregatedRDD.map {
       case (productId, saleCount) => {
         val outColFamKey = Map("prod_id" -> ByteBufferUtil.bytes(productId))
         val outKey: java.util.Map[String, ByteBuffer] = outColFamKey

examples/src/main/scala/org/apache/spark/examples/LocalLR.scala

@@ -39,7 +39,7 @@ object LocalLR {
 
   def generateData: Array[DataPoint] = {
     def generatePoint(i: Int): DataPoint = {
-      val y = if(i % 2 == 0) -1 else 1
+      val y = if (i % 2 == 0) -1 else 1
       val x = DenseVector.fill(D){rand.nextGaussian + y * R}
       DataPoint(x, y)
     }

examples/src/main/scala/org/apache/spark/examples/SparkALS.scala

@@ -117,7 +117,7 @@ object SparkALS {
     var us = Array.fill(U)(randomVector(F))
 
     // Iteratively update movies then users
-    val Rc  = sc.broadcast(R)
+    val Rc = sc.broadcast(R)
     var msb = sc.broadcast(ms)
     var usb = sc.broadcast(us)
     for (iter <- 1 to ITERATIONS) {

examples/src/main/scala/org/apache/spark/examples/SparkLR.scala

@@ -44,7 +44,7 @@ object SparkLR {
 
   def generateData: Array[DataPoint] = {
     def generatePoint(i: Int): DataPoint = {
-      val y = if(i % 2 == 0) -1 else 1
+      val y = if (i % 2 == 0) -1 else 1
       val x = DenseVector.fill(D){rand.nextGaussian + y * R}
       DataPoint(x, y)
     }