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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 /common/network-common/src | |
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 'common/network-common/src')
10 files changed, 0 insertions, 15 deletions
diff --git a/common/network-common/src/main/java/org/apache/spark/network/protocol/OneWayMessage.java b/common/network-common/src/main/java/org/apache/spark/network/protocol/OneWayMessage.java index efe0470f35..f7ffb1bd49 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/protocol/OneWayMessage.java +++ b/common/network-common/src/main/java/org/apache/spark/network/protocol/OneWayMessage.java @@ -19,7 +19,6 @@ package org.apache.spark.network.protocol; import com.google.common.base.Objects; import io.netty.buffer.ByteBuf; -import io.netty.buffer.Unpooled; import org.apache.spark.network.buffer.ManagedBuffer; import org.apache.spark.network.buffer.NettyManagedBuffer; diff --git a/common/network-common/src/main/java/org/apache/spark/network/protocol/RpcRequest.java b/common/network-common/src/main/java/org/apache/spark/network/protocol/RpcRequest.java index 96213794a8..2b30920f05 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/protocol/RpcRequest.java +++ b/common/network-common/src/main/java/org/apache/spark/network/protocol/RpcRequest.java @@ -19,7 +19,6 @@ package org.apache.spark.network.protocol; import com.google.common.base.Objects; import io.netty.buffer.ByteBuf; -import io.netty.buffer.Unpooled; import org.apache.spark.network.buffer.ManagedBuffer; import org.apache.spark.network.buffer.NettyManagedBuffer; diff --git a/common/network-common/src/main/java/org/apache/spark/network/protocol/RpcResponse.java b/common/network-common/src/main/java/org/apache/spark/network/protocol/RpcResponse.java index bae866e14a..d73014ecd8 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/protocol/RpcResponse.java +++ b/common/network-common/src/main/java/org/apache/spark/network/protocol/RpcResponse.java @@ -19,7 +19,6 @@ package org.apache.spark.network.protocol; import com.google.common.base.Objects; import io.netty.buffer.ByteBuf; -import io.netty.buffer.Unpooled; import org.apache.spark.network.buffer.ManagedBuffer; import org.apache.spark.network.buffer.NettyManagedBuffer; diff --git a/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamFailure.java b/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamFailure.java index 26747ee55b..258ef81c67 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamFailure.java +++ b/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamFailure.java @@ -20,9 +20,6 @@ package org.apache.spark.network.protocol; import com.google.common.base.Objects; import io.netty.buffer.ByteBuf; -import org.apache.spark.network.buffer.ManagedBuffer; -import org.apache.spark.network.buffer.NettyManagedBuffer; - /** * Message indicating an error when transferring a stream. */ diff --git a/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamRequest.java b/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamRequest.java index 35af5a84ba..dc183c043e 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamRequest.java +++ b/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamRequest.java @@ -20,9 +20,6 @@ package org.apache.spark.network.protocol; import com.google.common.base.Objects; import io.netty.buffer.ByteBuf; -import org.apache.spark.network.buffer.ManagedBuffer; -import org.apache.spark.network.buffer.NettyManagedBuffer; - /** * Request to stream data from the remote end. * <p> diff --git a/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamResponse.java b/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamResponse.java index 51b899930f..87e212f3e1 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamResponse.java +++ b/common/network-common/src/main/java/org/apache/spark/network/protocol/StreamResponse.java @@ -21,7 +21,6 @@ import com.google.common.base.Objects; import io.netty.buffer.ByteBuf; import org.apache.spark.network.buffer.ManagedBuffer; -import org.apache.spark.network.buffer.NettyManagedBuffer; /** * Response to {@link StreamRequest} when the stream has been successfully opened. diff --git a/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslEncryption.java b/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslEncryption.java index 127335e4d3..3d71ebaa7e 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslEncryption.java +++ b/common/network-common/src/main/java/org/apache/spark/network/sasl/SaslEncryption.java @@ -33,7 +33,6 @@ import io.netty.channel.ChannelPromise; import io.netty.channel.FileRegion; import io.netty.handler.codec.MessageToMessageDecoder; import io.netty.util.AbstractReferenceCounted; -import io.netty.util.ReferenceCountUtil; import org.apache.spark.network.util.ByteArrayWritableChannel; import org.apache.spark.network.util.NettyUtils; diff --git a/common/network-common/src/main/java/org/apache/spark/network/server/TransportRequestHandler.java b/common/network-common/src/main/java/org/apache/spark/network/server/TransportRequestHandler.java index 296ced3db0..bebe88ec5d 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/server/TransportRequestHandler.java +++ b/common/network-common/src/main/java/org/apache/spark/network/server/TransportRequestHandler.java @@ -19,7 +19,6 @@ package org.apache.spark.network.server; import java.nio.ByteBuffer; -import com.google.common.base.Preconditions; import com.google.common.base.Throwables; import io.netty.channel.Channel; import io.netty.channel.ChannelFuture; diff --git a/common/network-common/src/main/java/org/apache/spark/network/util/NettyUtils.java b/common/network-common/src/main/java/org/apache/spark/network/util/NettyUtils.java index caa7260bc8..10de9d3a5c 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/util/NettyUtils.java +++ b/common/network-common/src/main/java/org/apache/spark/network/util/NettyUtils.java @@ -31,8 +31,6 @@ import io.netty.channel.epoll.EpollSocketChannel; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.nio.NioServerSocketChannel; import io.netty.channel.socket.nio.NioSocketChannel; -import io.netty.handler.codec.ByteToMessageDecoder; -import io.netty.handler.codec.LengthFieldBasedFrameDecoder; import io.netty.util.internal.PlatformDependent; /** diff --git a/common/network-common/src/main/java/org/apache/spark/network/util/TransportFrameDecoder.java b/common/network-common/src/main/java/org/apache/spark/network/util/TransportFrameDecoder.java index a466c72915..3f7024a6aa 100644 --- a/common/network-common/src/main/java/org/apache/spark/network/util/TransportFrameDecoder.java +++ b/common/network-common/src/main/java/org/apache/spark/network/util/TransportFrameDecoder.java @@ -17,7 +17,6 @@ package org.apache.spark.network.util; -import java.util.Iterator; import java.util.LinkedList; import com.google.common.base.Preconditions; |