Repository: spark
Updated Branches:
  refs/heads/branch-2.0 e78b31b72 -> 8b4ab590c


http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/python/ml/vector_indexer_example.py
----------------------------------------------------------------------
diff --git a/examples/src/main/python/ml/vector_indexer_example.py 
b/examples/src/main/python/ml/vector_indexer_example.py
index 3cf5b8e..9b00e0f 100644
--- a/examples/src/main/python/ml/vector_indexer_example.py
+++ b/examples/src/main/python/ml/vector_indexer_example.py
@@ -23,7 +23,10 @@ from pyspark.ml.feature import VectorIndexer
 from pyspark.sql import SparkSession
 
 if __name__ == "__main__":
-    spark = SparkSession.builder.appName("VectorIndexerExample").getOrCreate()
+    spark = SparkSession\
+        .builder\
+        .appName("VectorIndexerExample")\
+        .getOrCreate()
 
     # $example on$
     data = 
spark.read.format("libsvm").load("data/mllib/sample_libsvm_data.txt")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/python/ml/vector_slicer_example.py
----------------------------------------------------------------------
diff --git a/examples/src/main/python/ml/vector_slicer_example.py 
b/examples/src/main/python/ml/vector_slicer_example.py
index 0531bcd..b833a89 100644
--- a/examples/src/main/python/ml/vector_slicer_example.py
+++ b/examples/src/main/python/ml/vector_slicer_example.py
@@ -25,7 +25,10 @@ from pyspark.sql.types import Row
 from pyspark.sql import SparkSession
 
 if __name__ == "__main__":
-    spark = SparkSession.builder.appName("VectorSlicerExample").getOrCreate()
+    spark = SparkSession\
+        .builder\
+        .appName("VectorSlicerExample")\
+        .getOrCreate()
 
     # $example on$
     df = spark.createDataFrame([

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/python/ml/word2vec_example.py
----------------------------------------------------------------------
diff --git a/examples/src/main/python/ml/word2vec_example.py 
b/examples/src/main/python/ml/word2vec_example.py
index 6766a7b..66500be 100644
--- a/examples/src/main/python/ml/word2vec_example.py
+++ b/examples/src/main/python/ml/word2vec_example.py
@@ -23,7 +23,10 @@ from pyspark.ml.feature import Word2Vec
 from pyspark.sql import SparkSession
 
 if __name__ == "__main__":
-    spark = SparkSession.builder.appName("Word2VecExample").getOrCreate()
+    spark = SparkSession\
+        .builder\
+        .appName("Word2VecExample")\
+        .getOrCreate()
 
     # $example on$
     # Input data: Each row is a bag of words from a sentence or document.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/python/mllib/binary_classification_metrics_example.py
----------------------------------------------------------------------
diff --git 
a/examples/src/main/python/mllib/binary_classification_metrics_example.py 
b/examples/src/main/python/mllib/binary_classification_metrics_example.py
index 8f0fc9d4..daf000e 100644
--- a/examples/src/main/python/mllib/binary_classification_metrics_example.py
+++ b/examples/src/main/python/mllib/binary_classification_metrics_example.py
@@ -18,20 +18,25 @@
 Binary Classification Metrics Example.
 """
 from __future__ import print_function
-from pyspark import SparkContext
+from pyspark.sql import SparkSession
 # $example on$
 from pyspark.mllib.classification import LogisticRegressionWithLBFGS
 from pyspark.mllib.evaluation import BinaryClassificationMetrics
-from pyspark.mllib.util import MLUtils
+from pyspark.mllib.regression import LabeledPoint
 # $example off$
 
 if __name__ == "__main__":
-    sc = SparkContext(appName="BinaryClassificationMetricsExample")
+    spark = SparkSession\
+        .builder\
+        .appName("BinaryClassificationMetricsExample")\
+        .getOrCreate()
 
     # $example on$
     # Several of the methods available in scala are currently missing from 
pyspark
     # Load training data in LIBSVM format
-    data = MLUtils.loadLibSVMFile(sc, 
"data/mllib/sample_binary_classification_data.txt")
+    data = spark\
+        
.read.format("libsvm").load("data/mllib/sample_binary_classification_data.txt")\
+        .rdd.map(lambda row: LabeledPoint(row[0], row[1]))
 
     # Split data into training (60%) and test (40%)
     training, test = data.randomSplit([0.6, 0.4], seed=11L)
@@ -53,4 +58,4 @@ if __name__ == "__main__":
     print("Area under ROC = %s" % metrics.areaUnderROC)
     # $example off$
 
-    sc.stop()
+    spark.stop()

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/python/sql.py
----------------------------------------------------------------------
diff --git a/examples/src/main/python/sql.py b/examples/src/main/python/sql.py
index 59a46cb..5594223 100644
--- a/examples/src/main/python/sql.py
+++ b/examples/src/main/python/sql.py
@@ -25,7 +25,10 @@ from pyspark.sql.types import Row, StructField, StructType, 
StringType, IntegerT
 
 
 if __name__ == "__main__":
-    spark = SparkSession.builder.appName("PythonSQL").getOrCreate()
+    spark = SparkSession\
+        .builder\
+        .appName("PythonSQL")\
+        .getOrCreate()
 
     # A list of Rows. Infer schema from the first row, create a DataFrame and 
print the schema
     rows = [Row(name="John", age=19), Row(name="Smith", age=23), 
Row(name="Sarah", age=18)]

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/python/streaming/sql_network_wordcount.py
----------------------------------------------------------------------
diff --git a/examples/src/main/python/streaming/sql_network_wordcount.py 
b/examples/src/main/python/streaming/sql_network_wordcount.py
index 588cbfe..f8801d4 100644
--- a/examples/src/main/python/streaming/sql_network_wordcount.py
+++ b/examples/src/main/python/streaming/sql_network_wordcount.py
@@ -38,8 +38,10 @@ from pyspark.sql import Row, SparkSession
 
 def getSparkSessionInstance(sparkConf):
     if ('sparkSessionSingletonInstance' not in globals()):
-        globals()['sparkSessionSingletonInstance'] =\
-            SparkSession.builder.config(conf=sparkConf).getOrCreate()
+        globals()['sparkSessionSingletonInstance'] = SparkSession\
+            .builder\
+            .config(conf=sparkConf)\
+            .getOrCreate()
     return globals()['sparkSessionSingletonInstance']
 
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/AFTSurvivalRegressionExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/AFTSurvivalRegressionExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/AFTSurvivalRegressionExample.scala
index 3795af8..2b224d5 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/AFTSurvivalRegressionExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/AFTSurvivalRegressionExample.scala
@@ -30,7 +30,10 @@ import org.apache.spark.sql.SparkSession
 object AFTSurvivalRegressionExample {
 
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("AFTSurvivalRegressionExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("AFTSurvivalRegressionExample")
+      .getOrCreate()
 
     // $example on$
     val training = spark.createDataFrame(Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/ALSExample.scala
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diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/ALSExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/ALSExample.scala
index 41750ca..7c1cfe2 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/ALSExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/ALSExample.scala
@@ -42,7 +42,10 @@ object ALSExample {
   // $example off$
 
   def main(args: Array[String]) {
-    val spark = SparkSession.builder.appName("ALSExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("ALSExample")
+      .getOrCreate()
     import spark.implicits._
 
     // $example on$

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/BinarizerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/BinarizerExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/BinarizerExample.scala
index 93c153f..82bc147 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/BinarizerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/BinarizerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.{DataFrame, SparkSession}
 
 object BinarizerExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("BinarizerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("BinarizerExample")
+      .getOrCreate()
     // $example on$
     val data = Array((0, 0.1), (1, 0.8), (2, 0.2))
     val dataFrame: DataFrame = spark.createDataFrame(data).toDF("label", 
"feature")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/BucketizerExample.scala
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diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/BucketizerExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/BucketizerExample.scala
index 779ad33..38cce34 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/BucketizerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/BucketizerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object BucketizerExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("BucketizerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("BucketizerExample")
+      .getOrCreate()
 
     // $example on$
     val splits = Array(Double.NegativeInfinity, -0.5, 0.0, 0.5, 
Double.PositiveInfinity)

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/ChiSqSelectorExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/ChiSqSelectorExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/ChiSqSelectorExample.scala
index 84ca1f0..80f50cd 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/ChiSqSelectorExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/ChiSqSelectorExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 
 object ChiSqSelectorExample {
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("ChiSqSelectorExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("ChiSqSelectorExample")
+      .getOrCreate()
     import spark.implicits._
 
     // $example on$

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/CountVectorizerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/CountVectorizerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/CountVectorizerExample.scala
index 9ab43a4..51aa517 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/CountVectorizerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/CountVectorizerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object CountVectorizerExample {
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("CounterVectorizerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("CounterVectorizerExample")
+      .getOrCreate()
 
     // $example on$
     val df = spark.createDataFrame(Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/DCTExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/DCTExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/DCTExample.scala
index b415333..5a888b1 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/DCTExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/DCTExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 
 object DCTExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("DCTExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("DCTExample")
+      .getOrCreate()
 
     // $example on$
     val data = Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/DataFrameExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/DataFrameExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/DataFrameExample.scala
index 2f892f8..6cb81cd 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/DataFrameExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/DataFrameExample.scala
@@ -61,7 +61,10 @@ object DataFrameExample {
   }
 
   def run(params: Params) {
-    val spark = SparkSession.builder.appName(s"DataFrameExample with 
$params").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName(s"DataFrameExample with $params")
+      .getOrCreate()
 
     // Load input data
     println(s"Loading LIBSVM file with UDT from ${params.input}.")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeClassificationExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeClassificationExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeClassificationExample.scala
index a0a2e1f..7f6c8de 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeClassificationExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeClassificationExample.scala
@@ -29,7 +29,10 @@ import org.apache.spark.sql.SparkSession
 
 object DecisionTreeClassificationExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("DecisionTreeClassificationExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("DecisionTreeClassificationExample")
+      .getOrCreate()
     // $example on$
     // Load the data stored in LIBSVM format as a DataFrame.
     val data = 
spark.read.format("libsvm").load("data/mllib/sample_libsvm_data.txt")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeExample.scala
index cea1d80..eadb02a 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeExample.scala
@@ -167,7 +167,9 @@ object DecisionTreeExample {
       testInput: String,
       algo: String,
       fracTest: Double): (DataFrame, DataFrame) = {
-    val spark = SparkSession.builder.getOrCreate()
+    val spark = SparkSession
+      .builder
+      .getOrCreate()
 
     // Load training data
     val origExamples: DataFrame = loadData(spark, input, dataFormat)

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeRegressionExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeRegressionExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeRegressionExample.scala
index 26b52d0..799070e 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeRegressionExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/DecisionTreeRegressionExample.scala
@@ -29,7 +29,10 @@ import org.apache.spark.sql.SparkSession
 
 object DecisionTreeRegressionExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("DecisionTreeRegressionExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("DecisionTreeRegressionExample")
+      .getOrCreate()
 
     // $example on$
     // Load the data stored in LIBSVM format as a DataFrame.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala
index 2aa1ab1..a522d21 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala
@@ -37,7 +37,10 @@ import org.apache.spark.sql.{Dataset, Row, SparkSession}
 object DeveloperApiExample {
 
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("DeveloperApiExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("DeveloperApiExample")
+      .getOrCreate()
     import spark.implicits._
 
     // Prepare training data.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/ElementwiseProductExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/ElementwiseProductExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/ElementwiseProductExample.scala
index f289c28..b99b76e 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/ElementwiseProductExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/ElementwiseProductExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 
 object ElementwiseProductExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("ElementwiseProductExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("ElementwiseProductExample")
+      .getOrCreate()
 
     // $example on$
     // Create some vector data; also works for sparse vectors

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/EstimatorTransformerParamExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/EstimatorTransformerParamExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/EstimatorTransformerParamExample.scala
index 91076cc..972241e 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/EstimatorTransformerParamExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/EstimatorTransformerParamExample.scala
@@ -29,7 +29,10 @@ import org.apache.spark.sql.SparkSession
 object EstimatorTransformerParamExample {
 
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("EstimatorTransformerParamExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("EstimatorTransformerParamExample")
+      .getOrCreate()
 
     // $example on$
     // Prepare training data from a list of (label, features) tuples.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeClassifierExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeClassifierExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeClassifierExample.scala
index 412c54d..b6a8bab 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeClassifierExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeClassifierExample.scala
@@ -28,7 +28,10 @@ import org.apache.spark.sql.SparkSession
 
 object GradientBoostedTreeClassifierExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("GradientBoostedTreeClassifierExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("GradientBoostedTreeClassifierExample")
+      .getOrCreate()
 
     // $example on$
     // Load and parse the data file, converting it to a DataFrame.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeRegressorExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeRegressorExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeRegressorExample.scala
index fd43553..62285b8 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeRegressorExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/GradientBoostedTreeRegressorExample.scala
@@ -28,7 +28,10 @@ import org.apache.spark.sql.SparkSession
 
 object GradientBoostedTreeRegressorExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("GradientBoostedTreeRegressorExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("GradientBoostedTreeRegressorExample")
+      .getOrCreate()
 
     // $example on$
     // Load and parse the data file, converting it to a DataFrame.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/IndexToStringExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/IndexToStringExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/IndexToStringExample.scala
index d873618..9507338 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/IndexToStringExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/IndexToStringExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object IndexToStringExample {
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("IndexToStringExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("IndexToStringExample")
+      .getOrCreate()
 
     // $example on$
     val df = spark.createDataFrame(Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/KMeansExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/KMeansExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/KMeansExample.scala
index d2573fa..2abd588 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/KMeansExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/KMeansExample.scala
@@ -36,7 +36,10 @@ object KMeansExample {
 
   def main(args: Array[String]): Unit = {
     // Creates a Spark context and a SQL context
-    val spark = 
SparkSession.builder.appName(s"${this.getClass.getSimpleName}").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName(s"${this.getClass.getSimpleName}")
+      .getOrCreate()
 
     // $example on$
     // Crates a DataFrame

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/LDAExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/LDAExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/LDAExample.scala
index c23adee..c2920f6 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/LDAExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/LDAExample.scala
@@ -40,7 +40,10 @@ object LDAExample {
 
     val input = "data/mllib/sample_lda_data.txt"
     // Creates a Spark context and a SQL context
-    val spark = 
SparkSession.builder.appName(s"${this.getClass.getSimpleName}").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName(s"${this.getClass.getSimpleName}")
+      .getOrCreate()
 
     // $example on$
     // Loads data

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/LinearRegressionWithElasticNetExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/LinearRegressionWithElasticNetExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/LinearRegressionWithElasticNetExample.scala
index cb6e249..94cf286 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/LinearRegressionWithElasticNetExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/LinearRegressionWithElasticNetExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 object LinearRegressionWithElasticNetExample {
 
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("LinearRegressionWithElasticNetExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("LinearRegressionWithElasticNetExample")
+      .getOrCreate()
 
     // $example on$
     // Load training data

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/LogisticRegressionSummaryExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/LogisticRegressionSummaryExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/LogisticRegressionSummaryExample.scala
index 50670d7..cd8775c 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/LogisticRegressionSummaryExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/LogisticRegressionSummaryExample.scala
@@ -27,7 +27,10 @@ import org.apache.spark.sql.functions.max
 object LogisticRegressionSummaryExample {
 
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("LogisticRegressionSummaryExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("LogisticRegressionSummaryExample")
+      .getOrCreate()
     import spark.implicits._
 
     // Load training data

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/MaxAbsScalerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/MaxAbsScalerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/MaxAbsScalerExample.scala
index 896d8fa..572adce 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/MaxAbsScalerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/MaxAbsScalerExample.scala
@@ -24,7 +24,10 @@ import org.apache.spark.sql.SparkSession
 
 object MaxAbsScalerExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("MaxAbsScalerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("MaxAbsScalerExample")
+      .getOrCreate()
 
     // $example on$
     val dataFrame = 
spark.read.format("libsvm").load("data/mllib/sample_libsvm_data.txt")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/MinMaxScalerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/MinMaxScalerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/MinMaxScalerExample.scala
index bcdca0f..d728019 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/MinMaxScalerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/MinMaxScalerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object MinMaxScalerExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("MinMaxScalerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("MinMaxScalerExample")
+      .getOrCreate()
 
     // $example on$
     val dataFrame = 
spark.read.format("libsvm").load("data/mllib/sample_libsvm_data.txt")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/MultilayerPerceptronClassifierExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/MultilayerPerceptronClassifierExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/MultilayerPerceptronClassifierExample.scala
index a11fe1b..0e780fb 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/MultilayerPerceptronClassifierExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/MultilayerPerceptronClassifierExample.scala
@@ -30,7 +30,10 @@ import org.apache.spark.sql.SparkSession
 object MultilayerPerceptronClassifierExample {
 
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("MultilayerPerceptronClassifierExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("MultilayerPerceptronClassifierExample")
+      .getOrCreate()
 
     // $example on$
     // Load the data stored in LIBSVM format as a DataFrame.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/NGramExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/NGramExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/NGramExample.scala
index 1b71a39..e0b52e7 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/NGramExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/NGramExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object NGramExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("NGramExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("NGramExample")
+      .getOrCreate()
 
     // $example on$
     val wordDataFrame = spark.createDataFrame(Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/NaiveBayesExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/NaiveBayesExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/NaiveBayesExample.scala
index 8d54555..90cdebf 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/NaiveBayesExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/NaiveBayesExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 
 object NaiveBayesExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("NaiveBayesExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("NaiveBayesExample")
+      .getOrCreate()
     // $example on$
     // Load the data stored in LIBSVM format as a DataFrame.
     val data = 
spark.read.format("libsvm").load("data/mllib/sample_libsvm_data.txt")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/NormalizerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/NormalizerExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/NormalizerExample.scala
index 4622d69..75ba33a 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/NormalizerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/NormalizerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object NormalizerExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("NormalizerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("NormalizerExample")
+      .getOrCreate()
 
     // $example on$
     val dataFrame = 
spark.read.format("libsvm").load("data/mllib/sample_libsvm_data.txt")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/OneHotEncoderExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/OneHotEncoderExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/OneHotEncoderExample.scala
index 3384361..4aa649b 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/OneHotEncoderExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/OneHotEncoderExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object OneHotEncoderExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("OneHotEncoderExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("OneHotEncoderExample")
+      .getOrCreate()
 
     // $example on$
     val df = spark.createDataFrame(Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/OneVsRestExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/OneVsRestExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/OneVsRestExample.scala
index e2351c6..fc73ae0 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/OneVsRestExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/OneVsRestExample.scala
@@ -109,7 +109,10 @@ object OneVsRestExample {
   }
 
   private def run(params: Params) {
-    val spark = SparkSession.builder.appName(s"OneVsRestExample with 
$params").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName(s"OneVsRestExample with $params")
+      .getOrCreate()
 
     // $example on$
     val inputData = spark.read.format("libsvm").load(params.input)

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/PCAExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/PCAExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/PCAExample.scala
index 14394d5..7927323 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/PCAExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/PCAExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 
 object PCAExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("PCAExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("PCAExample")
+      .getOrCreate()
 
     // $example on$
     val data = Array(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/PipelineExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/PipelineExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/PipelineExample.scala
index 61b34ae..e5e916a 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/PipelineExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/PipelineExample.scala
@@ -30,7 +30,10 @@ import org.apache.spark.sql.SparkSession
 object PipelineExample {
 
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("PipelineExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("PipelineExample")
+      .getOrCreate()
 
     // $example on$
     // Prepare training documents from a list of (id, text, label) tuples.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/PolynomialExpansionExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/PolynomialExpansionExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/PolynomialExpansionExample.scala
index 4d8c672..94b17a3 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/PolynomialExpansionExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/PolynomialExpansionExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 
 object PolynomialExpansionExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("PolynomialExpansionExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("PolynomialExpansionExample")
+      .getOrCreate()
 
     // $example on$
     val data = Array(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/QuantileDiscretizerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/QuantileDiscretizerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/QuantileDiscretizerExample.scala
index 0839c60..1a16515 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/QuantileDiscretizerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/QuantileDiscretizerExample.scala
@@ -24,7 +24,10 @@ import org.apache.spark.sql.SparkSession
 
 object QuantileDiscretizerExample {
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("QuantileDiscretizerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("QuantileDiscretizerExample")
+      .getOrCreate()
     import spark.implicits._
 
     // $example on$

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/RFormulaExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/RFormulaExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/RFormulaExample.scala
index 699b621..9ea4920 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/RFormulaExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/RFormulaExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object RFormulaExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("RFormulaExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("RFormulaExample")
+      .getOrCreate()
 
     // $example on$
     val dataset = spark.createDataFrame(Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestClassifierExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestClassifierExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestClassifierExample.scala
index 4192a9c..ae0bd94 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestClassifierExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestClassifierExample.scala
@@ -28,7 +28,10 @@ import org.apache.spark.sql.SparkSession
 
 object RandomForestClassifierExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("RandomForestClassifierExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("RandomForestClassifierExample")
+      .getOrCreate()
 
     // $example on$
     // Load and parse the data file, converting it to a DataFrame.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestRegressorExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestRegressorExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestRegressorExample.scala
index 5632f04..96dc2f0 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestRegressorExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/RandomForestRegressorExample.scala
@@ -28,7 +28,10 @@ import org.apache.spark.sql.SparkSession
 
 object RandomForestRegressorExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("RandomForestRegressorExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("RandomForestRegressorExample")
+      .getOrCreate()
 
     // $example on$
     // Load and parse the data file, converting it to a DataFrame.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/SQLTransformerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/SQLTransformerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/SQLTransformerExample.scala
index f03b29b..bb4587b 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/SQLTransformerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/SQLTransformerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object SQLTransformerExample {
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("SQLTransformerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("SQLTransformerExample")
+      .getOrCreate()
 
     // $example on$
     val df = spark.createDataFrame(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/SimpleParamsExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/SimpleParamsExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/SimpleParamsExample.scala
index dff7719..3547dd9 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/SimpleParamsExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/SimpleParamsExample.scala
@@ -34,7 +34,10 @@ import org.apache.spark.sql.{Row, SparkSession}
 object SimpleParamsExample {
 
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("SimpleParamsExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("SimpleParamsExample")
+      .getOrCreate()
     import spark.implicits._
 
     // Prepare training data.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/SimpleTextClassificationPipeline.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/SimpleTextClassificationPipeline.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/SimpleTextClassificationPipeline.scala
index 0519900..c78ff23 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/SimpleTextClassificationPipeline.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/SimpleTextClassificationPipeline.scala
@@ -42,7 +42,10 @@ case class Document(id: Long, text: String)
 object SimpleTextClassificationPipeline {
 
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("SimpleTextClassificationPipeline").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("SimpleTextClassificationPipeline")
+      .getOrCreate()
     import spark.implicits._
 
     // Prepare training documents, which are labeled.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/StandardScalerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/StandardScalerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/StandardScalerExample.scala
index 55f777c..4d668e8 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/StandardScalerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/StandardScalerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object StandardScalerExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("StandardScalerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("StandardScalerExample")
+      .getOrCreate()
 
     // $example on$
     val dataFrame = 
spark.read.format("libsvm").load("data/mllib/sample_libsvm_data.txt")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/StopWordsRemoverExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/StopWordsRemoverExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/StopWordsRemoverExample.scala
index 85e79c8..fb1a43e 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/StopWordsRemoverExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/StopWordsRemoverExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object StopWordsRemoverExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("StopWordsRemoverExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("StopWordsRemoverExample")
+      .getOrCreate()
 
     // $example on$
     val remover = new StopWordsRemover()

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/StringIndexerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/StringIndexerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/StringIndexerExample.scala
index e01a768..63f273e 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/StringIndexerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/StringIndexerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object StringIndexerExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("StringIndexerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("StringIndexerExample")
+      .getOrCreate()
 
     // $example on$
     val df = spark.createDataFrame(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/TfIdfExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/TfIdfExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/TfIdfExample.scala
index 910ef62..33b5dae 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/TfIdfExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/TfIdfExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 object TfIdfExample {
 
   def main(args: Array[String]) {
-    val spark = SparkSession.builder.appName("TfIdfExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("TfIdfExample")
+      .getOrCreate()
 
     // $example on$
     val sentenceData = spark.createDataFrame(Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/TokenizerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/TokenizerExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/TokenizerExample.scala
index 4f0c47b..1c70dc7 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/TokenizerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/TokenizerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object TokenizerExample {
   def main(args: Array[String]): Unit = {
-    val spark = SparkSession.builder.appName("TokenizerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("TokenizerExample")
+      .getOrCreate()
 
     // $example on$
     val sentenceDataFrame = spark.createDataFrame(Seq(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/VectorAssemblerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/VectorAssemblerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/VectorAssemblerExample.scala
index 56b7263..8e382cc 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/VectorAssemblerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/VectorAssemblerExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 
 object VectorAssemblerExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("VectorAssemblerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("VectorAssemblerExample")
+      .getOrCreate()
 
     // $example on$
     val dataset = spark.createDataFrame(

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/VectorIndexerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/VectorIndexerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/VectorIndexerExample.scala
index 214ad91..afa761a 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/VectorIndexerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/VectorIndexerExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object VectorIndexerExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("VectorIndexerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("VectorIndexerExample")
+      .getOrCreate()
 
     // $example on$
     val data = 
spark.read.format("libsvm").load("data/mllib/sample_libsvm_data.txt")

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/VectorSlicerExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/VectorSlicerExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/ml/VectorSlicerExample.scala
index 716bf02..b1a3997 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/ml/VectorSlicerExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/ml/VectorSlicerExample.scala
@@ -31,7 +31,10 @@ import org.apache.spark.sql.SparkSession
 
 object VectorSlicerExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("VectorSlicerExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("VectorSlicerExample")
+      .getOrCreate()
 
     // $example on$
     val data = Arrays.asList(Row(Vectors.dense(-2.0, 2.3, 0.0)))

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/ml/Word2VecExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/ml/Word2VecExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/ml/Word2VecExample.scala
index 292b6d9..9ac5623 100644
--- a/examples/src/main/scala/org/apache/spark/examples/ml/Word2VecExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/ml/Word2VecExample.scala
@@ -25,7 +25,10 @@ import org.apache.spark.sql.SparkSession
 
 object Word2VecExample {
   def main(args: Array[String]) {
-    val spark = SparkSession.builder.appName("Word2Vec example").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("Word2Vec example")
+      .getOrCreate()
 
     // $example on$
     // Input data: Each row is a bag of words from a sentence or document.

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/mllib/LDAExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/mllib/LDAExample.scala 
b/examples/src/main/scala/org/apache/spark/examples/mllib/LDAExample.scala
index c2bf154..7651aad 100644
--- a/examples/src/main/scala/org/apache/spark/examples/mllib/LDAExample.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/mllib/LDAExample.scala
@@ -189,7 +189,9 @@ object LDAExample {
       vocabSize: Int,
       stopwordFile: String): (RDD[(Long, Vector)], Array[String], Long) = {
 
-    val spark = SparkSession.builder.getOrCreate()
+    val spark = SparkSession
+      .builder
+      .getOrCreate()
     import spark.implicits._
 
     // Get dataset of document texts

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/mllib/RankingMetricsExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/mllib/RankingMetricsExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/mllib/RankingMetricsExample.scala
index cd4f0bb..781a934 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/mllib/RankingMetricsExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/mllib/RankingMetricsExample.scala
@@ -26,7 +26,10 @@ import org.apache.spark.sql.SparkSession
 
 object RankingMetricsExample {
   def main(args: Array[String]) {
-    val spark = 
SparkSession.builder.appName("RankingMetricsExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("RankingMetricsExample")
+      .getOrCreate()
     import spark.implicits._
     // $example on$
     // Read in the ratings data

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/mllib/RegressionMetricsExample.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/mllib/RegressionMetricsExample.scala
 
b/examples/src/main/scala/org/apache/spark/examples/mllib/RegressionMetricsExample.scala
index 22c47a6..abeaaa0 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/mllib/RegressionMetricsExample.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/mllib/RegressionMetricsExample.scala
@@ -27,7 +27,10 @@ import org.apache.spark.sql.SparkSession
 
 object RegressionMetricsExample {
   def main(args: Array[String]): Unit = {
-    val spark = 
SparkSession.builder.appName("RegressionMetricsExample").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("RegressionMetricsExample")
+      .getOrCreate()
     // $example on$
     // Load the data
     val data = spark

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala 
b/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala
index b4118b1..94c378a 100644
--- a/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/sql/RDDRelation.scala
@@ -26,7 +26,10 @@ case class Record(key: Int, value: String)
 
 object RDDRelation {
   def main(args: Array[String]) {
-    val spark = SparkSession.builder.appName("RDDRelation").getOrCreate()
+    val spark = SparkSession
+      .builder
+      .appName("RDDRelation")
+      .getOrCreate()
 
     // Importing the SparkSession gives access to all the SQL functions and 
implicit conversions.
     import spark.implicits._

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/examples/src/main/scala/org/apache/spark/examples/streaming/SqlNetworkWordCount.scala
----------------------------------------------------------------------
diff --git 
a/examples/src/main/scala/org/apache/spark/examples/streaming/SqlNetworkWordCount.scala
 
b/examples/src/main/scala/org/apache/spark/examples/streaming/SqlNetworkWordCount.scala
index 2f0fe70..9aba4a0 100644
--- 
a/examples/src/main/scala/org/apache/spark/examples/streaming/SqlNetworkWordCount.scala
+++ 
b/examples/src/main/scala/org/apache/spark/examples/streaming/SqlNetworkWordCount.scala
@@ -93,7 +93,10 @@ object SparkSessionSingleton {
 
   def getInstance(sparkConf: SparkConf): SparkSession = {
     if (instance == null) {
-      instance = SparkSession.builder.config(sparkConf).getOrCreate()
+      instance = SparkSession
+        .builder
+        .config(sparkConf)
+        .getOrCreate()
     }
     instance
   }

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedPlainValuesReader.java
----------------------------------------------------------------------
diff --git 
a/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedPlainValuesReader.java
 
b/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedPlainValuesReader.java
index 9475c85..9def455 100644
--- 
a/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedPlainValuesReader.java
+++ 
b/sql/core/src/main/java/org/apache/spark/sql/execution/datasources/parquet/VectorizedPlainValuesReader.java
@@ -34,8 +34,9 @@ public class VectorizedPlainValuesReader extends ValuesReader 
implements Vectori
   private int offset;
   private int bitOffset; // Only used for booleans.
   private ByteBuffer byteBuffer; // used to wrap the byte array buffer
-  
-  private final static boolean bigEndianPlatform = 
ByteOrder.nativeOrder().equals(ByteOrder.BIG_ENDIAN);
+
+  private static final boolean bigEndianPlatform =
+    ByteOrder.nativeOrder().equals(ByteOrder.BIG_ENDIAN);
 
   public VectorizedPlainValuesReader() {
   }

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OffHeapColumnVector.java
----------------------------------------------------------------------
diff --git 
a/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OffHeapColumnVector.java
 
b/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OffHeapColumnVector.java
index b8dd162..70b4a68 100644
--- 
a/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OffHeapColumnVector.java
+++ 
b/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OffHeapColumnVector.java
@@ -19,8 +19,6 @@ package org.apache.spark.sql.execution.vectorized;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 
-import org.apache.commons.lang.NotImplementedException;
-
 import org.apache.spark.memory.MemoryMode;
 import org.apache.spark.sql.types.*;
 import org.apache.spark.unsafe.Platform;
@@ -29,9 +27,10 @@ import org.apache.spark.unsafe.Platform;
  * Column data backed using offheap memory.
  */
 public final class OffHeapColumnVector extends ColumnVector {
-  
-  private final static boolean bigEndianPlatform = 
ByteOrder.nativeOrder().equals(ByteOrder.BIG_ENDIAN);
-  
+
+  private static final boolean bigEndianPlatform =
+    ByteOrder.nativeOrder().equals(ByteOrder.BIG_ENDIAN);
+
   // The data stored in these two allocations need to maintain binary 
compatible. We can
   // directly pass this buffer to external components.
   private long nulls;
@@ -230,7 +229,8 @@ public final class OffHeapColumnVector extends ColumnVector 
{
       int srcOffset = srcIndex + Platform.BYTE_ARRAY_OFFSET;
       long offset = data + 4 * rowId;
       for (int i = 0; i < count; ++i, offset += 4, srcOffset += 4) {
-        Platform.putInt(null, offset, 
java.lang.Integer.reverseBytes(Platform.getInt(src, srcOffset)));
+        Platform.putInt(null, offset,
+            java.lang.Integer.reverseBytes(Platform.getInt(src, srcOffset)));
       }
     }
   }
@@ -276,7 +276,8 @@ public final class OffHeapColumnVector extends ColumnVector 
{
       int srcOffset = srcIndex + Platform.BYTE_ARRAY_OFFSET;
       long offset = data + 8 * rowId;
       for (int i = 0; i < count; ++i, offset += 8, srcOffset += 8) {
-        Platform.putLong(null, offset, 
java.lang.Long.reverseBytes(Platform.getLong(src, srcOffset)));
+        Platform.putLong(null, offset,
+            java.lang.Long.reverseBytes(Platform.getLong(src, srcOffset)));
       }
     }
   }

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OnHeapColumnVector.java
----------------------------------------------------------------------
diff --git 
a/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OnHeapColumnVector.java
 
b/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OnHeapColumnVector.java
index b1ffe4c..7fb7617 100644
--- 
a/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OnHeapColumnVector.java
+++ 
b/sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/OnHeapColumnVector.java
@@ -29,9 +29,10 @@ import org.apache.spark.unsafe.Platform;
  * and a java array for the values.
  */
 public final class OnHeapColumnVector extends ColumnVector {
-  
-  private final static boolean bigEndianPlatform = 
ByteOrder.nativeOrder().equals(ByteOrder.BIG_ENDIAN);
-  
+
+  private static final boolean bigEndianPlatform =
+    ByteOrder.nativeOrder().equals(ByteOrder.BIG_ENDIAN);
+
   // The data stored in these arrays need to maintain binary compatible. We can
   // directly pass this buffer to external components.
 

http://git-wip-us.apache.org/repos/asf/spark/blob/8b4ab590/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
----------------------------------------------------------------------
diff --git 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
index 0457b37..de066dd 100644
--- 
a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
+++ 
b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java
@@ -22,7 +22,6 @@ import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Date;
-import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Future;
@@ -35,7 +34,6 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
-import org.apache.hadoop.hive.ql.hooks.HookUtils;
 import org.apache.hive.service.CompositeService;
 import org.apache.hive.service.cli.HiveSQLException;
 import org.apache.hive.service.cli.SessionHandle;


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