From 0386f42e383dc01b8df33c4a70b024e7902b5fdd Mon Sep 17 00:00:00 2001 From: Henry Saputra <hsaputra@apache.org> Date: Sun, 2 Feb 2014 21:51:17 -0800 Subject: [PATCH] Merge pull request #529 from hsaputra/cleanup_right_arrowop_scala MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change the ⇒ character (maybe from scalariform) to => in Scala code for style consistency Looks like there are some ⇒ Unicode character (maybe from scalariform) in Scala code. This PR is to change it to => to get some consistency on the Scala code. If we want to use ⇒ as default we could use sbt plugin scalariform to make sure all Scala code has ⇒ instead of => And remove unused imports found in TwitterInputDStream.scala while I was there =) Author: Henry Saputra <hsaputra@apache.org> == Merge branch commits == commit 29c1771d346dff901b0b778f764e6b4409900234 Author: Henry Saputra <hsaputra@apache.org> Date: Sat Feb 1 22:05:16 2014 -0800 Change the ⇒ character (maybe from scalariform) to => in Scala code for style consistency. --- .../streaming/examples/ActorWordCount.scala | 2 +- .../streaming/twitter/TwitterInputDStream.scala | 5 +---- .../spark/streaming/zeromq/ZeroMQReceiver.scala | 8 ++++---- .../spark/streaming/zeromq/ZeroMQUtils.scala | 2 +- .../streaming/receivers/ActorReceiver.scala | 16 ++++++++-------- 5 files changed, 15 insertions(+), 18 deletions(-) diff --git a/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala b/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala index a5888811cc..bc0d1633f1 100644 --- a/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala +++ b/examples/src/main/scala/org/apache/spark/streaming/examples/ActorWordCount.scala @@ -88,7 +88,7 @@ extends Actor with Receiver { override def preStart = remotePublisher ! SubscribeReceiver(context.self) def receive = { - case msg ⇒ pushBlock(msg.asInstanceOf[T]) + case msg => pushBlock(msg.asInstanceOf[T]) } override def postStop() = remotePublisher ! UnsubscribeReceiver(context.self) diff --git a/external/twitter/src/main/scala/org/apache/spark/streaming/twitter/TwitterInputDStream.scala b/external/twitter/src/main/scala/org/apache/spark/streaming/twitter/TwitterInputDStream.scala index 5cc721d7f9..3316b6dc39 100644 --- a/external/twitter/src/main/scala/org/apache/spark/streaming/twitter/TwitterInputDStream.scala +++ b/external/twitter/src/main/scala/org/apache/spark/streaming/twitter/TwitterInputDStream.scala @@ -17,14 +17,11 @@ package org.apache.spark.streaming.twitter -import java.util.prefs.Preferences import twitter4j._ import twitter4j.auth.Authorization import twitter4j.conf.ConfigurationBuilder -import twitter4j.conf.PropertyConfiguration import twitter4j.auth.OAuthAuthorization -import twitter4j.auth.AccessToken -import org.apache.spark._ + import org.apache.spark.streaming._ import org.apache.spark.streaming.dstream._ import org.apache.spark.storage.StorageLevel diff --git a/external/zeromq/src/main/scala/org/apache/spark/streaming/zeromq/ZeroMQReceiver.scala b/external/zeromq/src/main/scala/org/apache/spark/streaming/zeromq/ZeroMQReceiver.scala index 769761e3b8..960c6a389e 100644 --- a/external/zeromq/src/main/scala/org/apache/spark/streaming/zeromq/ZeroMQReceiver.scala +++ b/external/zeromq/src/main/scala/org/apache/spark/streaming/zeromq/ZeroMQReceiver.scala @@ -31,7 +31,7 @@ import org.apache.spark.streaming.receivers._ */ private[streaming] class ZeroMQReceiver[T: ClassTag](publisherUrl: String, subscribe: Subscribe, - bytesToObjects: Seq[ByteString] ⇒ Iterator[T]) + bytesToObjects: Seq[ByteString] => Iterator[T]) extends Actor with Receiver with Logging { override def preStart() = ZeroMQExtension(context.system).newSocket(SocketType.Sub, Listener(self), @@ -39,16 +39,16 @@ private[streaming] class ZeroMQReceiver[T: ClassTag](publisherUrl: String, def receive: Receive = { - case Connecting ⇒ logInfo("connecting ...") + case Connecting => logInfo("connecting ...") - case m: ZMQMessage ⇒ + case m: ZMQMessage => logDebug("Received message for:" + m.frame(0)) //We ignore first frame for processing as it is the topic val bytes = m.frames.tail pushBlock(bytesToObjects(bytes)) - case Closed ⇒ logInfo("received closed ") + case Closed => logInfo("received closed ") } } diff --git a/external/zeromq/src/main/scala/org/apache/spark/streaming/zeromq/ZeroMQUtils.scala b/external/zeromq/src/main/scala/org/apache/spark/streaming/zeromq/ZeroMQUtils.scala index 7a14b3d2bf..b47d786986 100644 --- a/external/zeromq/src/main/scala/org/apache/spark/streaming/zeromq/ZeroMQUtils.scala +++ b/external/zeromq/src/main/scala/org/apache/spark/streaming/zeromq/ZeroMQUtils.scala @@ -46,7 +46,7 @@ object ZeroMQUtils { ssc: StreamingContext, publisherUrl: String, subscribe: Subscribe, - bytesToObjects: Seq[ByteString] ⇒ Iterator[T], + bytesToObjects: Seq[ByteString] => Iterator[T], storageLevel: StorageLevel = StorageLevel.MEMORY_AND_DISK_SER_2, supervisorStrategy: SupervisorStrategy = ReceiverSupervisorStrategy.defaultStrategy ): DStream[T] = { diff --git a/streaming/src/main/scala/org/apache/spark/streaming/receivers/ActorReceiver.scala b/streaming/src/main/scala/org/apache/spark/streaming/receivers/ActorReceiver.scala index 79ed696814..9c5b177c16 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/receivers/ActorReceiver.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/receivers/ActorReceiver.scala @@ -37,8 +37,8 @@ object ReceiverSupervisorStrategy { val defaultStrategy = OneForOneStrategy(maxNrOfRetries = 10, withinTimeRange = 15 millis) { - case _: RuntimeException ⇒ Restart - case _: Exception ⇒ Escalate + case _: RuntimeException => Restart + case _: Exception => Escalate } } @@ -66,7 +66,7 @@ object ReceiverSupervisorStrategy { */ trait Receiver { - self: Actor ⇒ // to ensure that this can be added to Actor classes only + self: Actor => // to ensure that this can be added to Actor classes only /** * Push an iterator received data into Spark Streaming for processing @@ -139,25 +139,25 @@ private[streaming] class ActorReceiver[T: ClassTag]( def receive = { - case Data(iter: Iterator[_]) ⇒ pushBlock(iter.asInstanceOf[Iterator[T]]) + case Data(iter: Iterator[_]) => pushBlock(iter.asInstanceOf[Iterator[T]]) - case Data(msg) ⇒ + case Data(msg) => blocksGenerator += msg.asInstanceOf[T] n.incrementAndGet - case props: Props ⇒ + case props: Props => val worker = context.actorOf(props) logInfo("Started receiver worker at:" + worker.path) sender ! worker - case (props: Props, name: String) ⇒ + case (props: Props, name: String) => val worker = context.actorOf(props, name) logInfo("Started receiver worker at:" + worker.path) sender ! worker case _: PossiblyHarmful => hiccups.incrementAndGet() - case _: Statistics ⇒ + case _: Statistics => val workers = context.children sender ! Statistics(n.get, workers.size, hiccups.get, workers.mkString("\n")) -- GitLab