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| author | Dongjoon Hyun <dongjoon@apache.org> | 2016-03-03 10:12:32 +0000 |
|---|---|---|
| committer | Sean Owen <sowen@cloudera.com> | 2016-03-03 10:12:32 +0000 |
| commit | b5f02d6743ecb1633b7b13382f76cb8bfc2aa95c (patch) | |
| tree | 7f3fc1df17d1bc8cd95ca0eaf3f79b6a47c5a845 /external | |
| parent | e97fc7f176f8bf501c9b3afd8410014e3b0e1602 (diff) | |
| download | spark-b5f02d6743ecb1633b7b13382f76cb8bfc2aa95c.tar.gz spark-b5f02d6743ecb1633b7b13382f76cb8bfc2aa95c.tar.bz2 spark-b5f02d6743ecb1633b7b13382f76cb8bfc2aa95c.zip | |
[SPARK-13583][CORE][STREAMING] Remove unused imports and add checkstyle rule
## What changes were proposed in this pull request?
After SPARK-6990, `dev/lint-java` keeps Java code healthy and helps PR review by saving much time.
This issue aims remove unused imports from Java/Scala code and add `UnusedImports` checkstyle rule to help developers.
## How was this patch tested?
```
./dev/lint-java
./build/sbt compile
```
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11438 from dongjoon-hyun/SPARK-13583.
Diffstat (limited to 'external')
3 files changed, 3 insertions, 4 deletions
diff --git a/external/flume/src/test/scala/org/apache/spark/streaming/TestOutputStream.scala b/external/flume/src/test/scala/org/apache/spark/streaming/TestOutputStream.scala index fc02c9fcb5..c97a27ca7c 100644 --- a/external/flume/src/test/scala/org/apache/spark/streaming/TestOutputStream.scala +++ b/external/flume/src/test/scala/org/apache/spark/streaming/TestOutputStream.scala @@ -20,7 +20,6 @@ package org.apache.spark.streaming import java.io.{IOException, ObjectInputStream} import java.util.concurrent.ConcurrentLinkedQueue -import scala.collection.mutable.ArrayBuffer import scala.reflect.ClassTag import org.apache.spark.rdd.RDD diff --git a/external/mqtt/src/test/scala/org/apache/spark/streaming/mqtt/MQTTStreamSuite.scala b/external/mqtt/src/test/scala/org/apache/spark/streaming/mqtt/MQTTStreamSuite.scala index a6a9249db8..fdcd18c6fb 100644 --- a/external/mqtt/src/test/scala/org/apache/spark/streaming/mqtt/MQTTStreamSuite.scala +++ b/external/mqtt/src/test/scala/org/apache/spark/streaming/mqtt/MQTTStreamSuite.scala @@ -23,7 +23,7 @@ import scala.language.postfixOps import org.scalatest.BeforeAndAfter import org.scalatest.concurrent.Eventually -import org.apache.spark.{SparkConf, SparkFunSuite} +import org.apache.spark.SparkFunSuite import org.apache.spark.storage.StorageLevel import org.apache.spark.streaming.{Milliseconds, StreamingContext} diff --git a/external/twitter/src/main/scala/org/apache/spark/streaming/twitter/TwitterUtils.scala b/external/twitter/src/main/scala/org/apache/spark/streaming/twitter/TwitterUtils.scala index 3e843e947d..9cb0106ab1 100644 --- a/external/twitter/src/main/scala/org/apache/spark/streaming/twitter/TwitterUtils.scala +++ b/external/twitter/src/main/scala/org/apache/spark/streaming/twitter/TwitterUtils.scala @@ -22,8 +22,8 @@ import twitter4j.auth.Authorization import org.apache.spark.storage.StorageLevel import org.apache.spark.streaming.StreamingContext -import org.apache.spark.streaming.api.java.{JavaDStream, JavaReceiverInputDStream, JavaStreamingContext} -import org.apache.spark.streaming.dstream.{DStream, ReceiverInputDStream} +import org.apache.spark.streaming.api.java.{JavaReceiverInputDStream, JavaStreamingContext} +import org.apache.spark.streaming.dstream.ReceiverInputDStream object TwitterUtils { /** |