[MINOR] Fix Java style errors and remove unused imports

## What changes were proposed in this pull request? Fix Java style errors and remove unused imports, which are randomly found ## How was this patch tested? Tested on my local machine. Author: Xin Ren <[email protected]> Closes apache#14161 from keypointt/SPARK-16437.
leowangx2013 · Jul 13, 2016 · f73891e · f73891e
1 parent f156136
commit f73891e
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Showing 4 changed files with 4 additions and 7 deletions.
diff --git a/common/unsafe/src/main/java/org/apache/spark/unsafe/memory/HeapMemoryAllocator.java b/common/unsafe/src/main/java/org/apache/spark/unsafe/memory/HeapMemoryAllocator.java
@@ -24,7 +24,6 @@
 import java.util.Map;
 
 import org.apache.spark.unsafe.Platform;
-import org.apache.spark.unsafe.memory.MemoryAllocator;
 
 /**
  * A simple {@link MemoryAllocator} that can allocate up to 16GB using a JVM long primitive array.

diff --git a/common/unsafe/src/main/java/org/apache/spark/unsafe/memory/MemoryAllocator.java b/common/unsafe/src/main/java/org/apache/spark/unsafe/memory/MemoryAllocator.java
@@ -23,12 +23,12 @@ public interface MemoryAllocator {
    * Whether to fill newly allocated and deallocated memory with 0xa5 and 0x5a bytes respectively.
    * This helps catch misuse of uninitialized or freed memory, but imposes some overhead.
    */
-  public static final boolean MEMORY_DEBUG_FILL_ENABLED = Boolean.parseBoolean(
+  boolean MEMORY_DEBUG_FILL_ENABLED = Boolean.parseBoolean(
     System.getProperty("spark.memory.debugFill", "false"));
 
   // Same as jemalloc's debug fill values.
-  public static final byte MEMORY_DEBUG_FILL_CLEAN_VALUE = (byte)0xa5;
-  public static final byte MEMORY_DEBUG_FILL_FREED_VALUE = (byte)0x5a;
+  byte MEMORY_DEBUG_FILL_CLEAN_VALUE = (byte)0xa5;
+  byte MEMORY_DEBUG_FILL_FREED_VALUE = (byte)0x5a;
 
   /**
    * Allocates a contiguous block of memory. Note that the allocated memory is not guaranteed

diff --git a/...src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormat.scala b/...src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormat.scala
@@ -780,8 +780,7 @@ private[sql] object ParquetFileFormat extends Logging {
     val assumeBinaryIsString = sparkSession.sessionState.conf.isParquetBinaryAsString
     val assumeInt96IsTimestamp = sparkSession.sessionState.conf.isParquetINT96AsTimestamp
     val writeLegacyParquetFormat = sparkSession.sessionState.conf.writeLegacyParquetFormat
-    val serializedConf =
-      new SerializableConfiguration(sparkSession.sessionState.newHadoopConf())
+    val serializedConf = new SerializableConfiguration(sparkSession.sessionState.newHadoopConf())
 
     // !! HACK ALERT !!
     //

diff --git a/sql/core/src/test/scala/org/apache/spark/sql/sources/DataSourceTest.scala b/sql/core/src/test/scala/org/apache/spark/sql/sources/DataSourceTest.scala
@@ -18,7 +18,6 @@
 package org.apache.spark.sql.sources
 
 import org.apache.spark.sql._
-import org.apache.spark.sql.internal.SQLConf
 
 private[sql] abstract class DataSourceTest extends QueryTest {