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[jvm-packages] update checkstyle (#7335)

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* [jvm-packages] update scalastyle

1. bump scalastyle-maven-plugin and maven-checkstyle-plugin to latest
2. remove unused imports

* fix code style check
This commit is contained in:
Bobby Wang
2021-10-18 18:42:01 +08:00
committed by GitHub
parent fbb0dc4275
commit 4fd149b3a2
12 changed files with 34 additions and 49 deletions
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4
jvm-packages/xgboost4j-spark/src/main/scala/ml/dmlc/xgboost4j/scala/spark/DataUtils.scala
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@@ -1,5 +1,5 @@
/*
Copyright (c) 2014 by Contributors
Copyright (c) 2014,2021 by Contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -21,10 +21,8 @@ import ml.dmlc.xgboost4j.{LabeledPoint => XGBLabeledPoint}
import org.apache.spark.HashPartitioner
import org.apache.spark.ml.feature.{LabeledPoint => MLLabeledPoint}
import org.apache.spark.ml.linalg.{DenseVector, SparseVector, Vector, Vectors}
import org.apache.spark.ml.param.Param
import org.apache.spark.rdd.RDD
import org.apache.spark.sql.{Column, DataFrame, Row}
import org.apache.spark.sql.functions.col
import org.apache.spark.sql.types.{FloatType, IntegerType}
object DataUtils extends Serializable {

4
jvm-packages/xgboost4j-spark/src/main/scala/ml/dmlc/xgboost4j/scala/spark/XGBoost.scala
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@@ -1,5 +1,5 @@
/*
Copyright (c) 2014 by Contributors
Copyright (c) 2014,2021 by Contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -32,7 +32,7 @@ import org.apache.commons.io.FileUtils
import org.apache.commons.logging.LogFactory
import org.apache.hadoop.fs.FileSystem
import org.apache.spark.rdd.RDD
import org.apache.spark.{SparkContext, SparkParallelismTracker, TaskContext, TaskFailedListener}
import org.apache.spark.{SparkContext, SparkParallelismTracker, TaskContext}
import org.apache.spark.sql.SparkSession
import org.apache.spark.storage.StorageLevel

3
jvm-packages/xgboost4j-spark/src/main/scala/ml/dmlc/xgboost4j/scala/spark/XGBoostClassifier.scala
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@@ -1,5 +1,5 @@
/*
Copyright (c) 2014 by Contributors
Copyright (c) 2014,2021 by Contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -26,7 +26,6 @@ import org.apache.spark.broadcast.Broadcast
import org.apache.spark.ml.classification._
import org.apache.spark.ml.linalg._
import org.apache.spark.ml.param._
import org.apache.spark.ml.param.shared.HasWeightCol
import org.apache.spark.ml.util._
import org.apache.spark.rdd.RDD
import org.apache.spark.sql._

8
jvm-packages/xgboost4j-spark/src/main/scala/ml/dmlc/xgboost4j/scala/spark/XGBoostRegressor.scala
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@@ -1,5 +1,5 @@
/*
Copyright (c) 2014 by Contributors
Copyright (c) 2014,2021 by Contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -19,7 +19,7 @@ package ml.dmlc.xgboost4j.scala.spark
import scala.collection.{AbstractIterator, Iterator, mutable}
import scala.collection.JavaConverters._
import ml.dmlc.xgboost4j.java.{Rabit, XGBoost => JXGBoost}
import ml.dmlc.xgboost4j.java.Rabit
import ml.dmlc.xgboost4j.{LabeledPoint => XGBLabeledPoint}
import ml.dmlc.xgboost4j.scala.spark.params.{DefaultXGBoostParamsReader, _}
import ml.dmlc.xgboost4j.scala.{Booster, DMatrix, XGBoost => SXGBoost}
@@ -27,8 +27,7 @@ import ml.dmlc.xgboost4j.scala.{EvalTrait, ObjectiveTrait}
import org.apache.hadoop.fs.Path
import org.apache.spark.TaskContext
import org.apache.spark.ml.linalg.{DenseVector, SparseVector, Vector}
import org.apache.spark.ml.param.shared.HasWeightCol
import org.apache.spark.ml.linalg.Vector
import org.apache.spark.ml.util._
import org.apache.spark.ml._
import org.apache.spark.ml.param._
@@ -37,7 +36,6 @@ import org.apache.spark.sql._
import org.apache.spark.sql.functions._
import org.apache.spark.sql.types._
import org.json4s.DefaultFormats
import scala.collection.mutable.ListBuffer
import org.apache.spark.broadcast.Broadcast

3
jvm-packages/xgboost4j-spark/src/main/scala/ml/dmlc/xgboost4j/scala/spark/params/CustomParams.scala
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@@ -1,5 +1,5 @@
/*
Copyright (c) 2014 by Contributors
Copyright (c) 2014,2021 by Contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -22,7 +22,6 @@ import org.json4s.{DefaultFormats, Extraction, NoTypeHints}
import org.json4s.jackson.JsonMethods.{compact, parse, render}
import org.apache.spark.ml.param.{Param, ParamPair, Params}
import org.apache.spark.sql.DataFrame
class CustomEvalParam(
parent: Params,

10
jvm-packages/xgboost4j-spark/src/main/scala/ml/dmlc/xgboost4j/scala/spark/params/GeneralParams.scala
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@@ -1,5 +1,5 @@
/*
Copyright (c) 2014 by Contributors
Copyright (c) 2014,2021 by Contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -22,14 +22,6 @@ import ml.dmlc.xgboost4j.scala.spark.TrackerConf
import org.apache.spark.ml.param._
import scala.collection.mutable
import ml.dmlc.xgboost4j.{LabeledPoint => XGBLabeledPoint}
import org.apache.spark.ml.linalg.{DenseVector, SparseVector, Vector}
import org.apache.spark.rdd.RDD
import org.apache.spark.sql.{Column, DataFrame, Row}
import org.apache.spark.sql.functions.col
import org.apache.spark.sql.types.{FloatType, IntegerType}
private[spark] trait GeneralParams extends Params {
/**