Repository: spark
Updated Branches:
  refs/heads/master 5a07aca4d -> 7fae7995b


[SPARK-22268][BUILD] Fix lint-java

## What changes were proposed in this pull request?

Fix java style issues

## How was this patch tested?

Run `./dev/lint-java` locally since it's not run on Jenkins

Author: Andrew Ash <[email protected]>

Closes #19486 from ash211/aash/fix-lint-java.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/7fae7995
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/7fae7995
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/7fae7995

Branch: refs/heads/master
Commit: 7fae7995ba05e0333d1decb7ca74ddb7c1b448d7
Parents: 5a07aca
Author: Andrew Ash <[email protected]>
Authored: Fri Oct 20 09:40:00 2017 +0900
Committer: hyukjinkwon <[email protected]>
Committed: Fri Oct 20 09:40:00 2017 +0900

----------------------------------------------------------------------
 .../unsafe/sort/UnsafeInMemorySorter.java       |  9 +++++----
 .../unsafe/sort/UnsafeExternalSorterSuite.java  | 21 +++++++++++---------
 .../unsafe/sort/UnsafeInMemorySorterSuite.java  |  3 ++-
 .../v2/reader/SupportsPushDownFilters.java      |  1 -
 4 files changed, 19 insertions(+), 15 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/spark/blob/7fae7995/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java
 
b/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java
index 869ec90..3bb87a6 100644
--- 
a/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java
+++ 
b/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorter.java
@@ -172,10 +172,11 @@ public final class UnsafeInMemorySorter {
   public void reset() {
     if (consumer != null) {
       consumer.freeArray(array);
-      // the call to consumer.allocateArray may trigger a spill
-      // which in turn access this instance and eventually re-enter this 
method and try to free the array again.
-      // by setting the array to null and its length to 0 we effectively make 
the spill code-path a no-op.
-      // setting the array to null also indicates that it has already been 
de-allocated which prevents a double de-allocation in free().
+      // the call to consumer.allocateArray may trigger a spill which in turn 
access this instance
+      // and eventually re-enter this method and try to free the array again.  
by setting the array
+      // to null and its length to 0 we effectively make the spill code-path a 
no-op.  setting the
+      // array to null also indicates that it has already been de-allocated 
which prevents a double
+      // de-allocation in free().
       array = null;
       usableCapacity = 0;
       pos = 0;

http://git-wip-us.apache.org/repos/asf/spark/blob/7fae7995/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorterSuite.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorterSuite.java
 
b/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorterSuite.java
index 6c5451d..d0d0334 100644
--- 
a/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorterSuite.java
+++ 
b/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorterSuite.java
@@ -516,12 +516,13 @@ public class UnsafeExternalSorterSuite {
     for (int i = 0; sorter.hasSpaceForAnotherRecord(); ++i) {
       insertNumber(sorter, i);
     }
-    // we expect the next insert to attempt growing the pointerssArray
-    // first allocation is expected to fail, then a spill is triggered which 
attempts another allocation
-    // which also fails and we expect to see this OOM here.
-    // the original code messed with a released array within the spill code
-    // and ended up with a failed assertion.
-    // we also expect the location of the OOM to be 
org.apache.spark.util.collection.unsafe.sort.UnsafeInMemorySorter.reset
+    // we expect the next insert to attempt growing the pointerssArray first
+    // allocation is expected to fail, then a spill is triggered which
+    // attempts another allocation which also fails and we expect to see this
+    // OOM here.  the original code messed with a released array within the
+    // spill code and ended up with a failed assertion.  we also expect the
+    // location of the OOM to be
+    // org.apache.spark.util.collection.unsafe.sort.UnsafeInMemorySorter.reset
     memoryManager.markconsequentOOM(2);
     try {
       insertNumber(sorter, 1024);
@@ -530,9 +531,11 @@ public class UnsafeExternalSorterSuite {
     // we expect an OutOfMemoryError here, anything else (i.e the original NPE 
is a failure)
     catch (OutOfMemoryError oom){
       String oomStackTrace = Utils.exceptionString(oom);
-      assertThat("expected OutOfMemoryError in 
org.apache.spark.util.collection.unsafe.sort.UnsafeInMemorySorter.reset",
-              oomStackTrace,
-              
Matchers.containsString("org.apache.spark.util.collection.unsafe.sort.UnsafeInMemorySorter.reset"));
+      assertThat("expected OutOfMemoryError in " +
+        
"org.apache.spark.util.collection.unsafe.sort.UnsafeInMemorySorter.reset",
+        oomStackTrace,
+        Matchers.containsString(
+          
"org.apache.spark.util.collection.unsafe.sort.UnsafeInMemorySorter.reset"));
     }
   }
 

http://git-wip-us.apache.org/repos/asf/spark/blob/7fae7995/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorterSuite.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorterSuite.java
 
b/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorterSuite.java
index 1a3e11e..594f07d 100644
--- 
a/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorterSuite.java
+++ 
b/core/src/test/java/org/apache/spark/util/collection/unsafe/sort/UnsafeInMemorySorterSuite.java
@@ -179,7 +179,8 @@ public class UnsafeInMemorySorterSuite {
     } catch (OutOfMemoryError oom) {
       // as expected
     }
-    // [SPARK-21907] this failed on NPE at 
org.apache.spark.memory.MemoryConsumer.freeArray(MemoryConsumer.java:108)
+    // [SPARK-21907] this failed on NPE at
+    // 
org.apache.spark.memory.MemoryConsumer.freeArray(MemoryConsumer.java:108)
     sorter.free();
     // simulate a 'back to back' free.
     sorter.free();

http://git-wip-us.apache.org/repos/asf/spark/blob/7fae7995/sql/core/src/main/java/org/apache/spark/sql/sources/v2/reader/SupportsPushDownFilters.java
----------------------------------------------------------------------
diff --git 
a/sql/core/src/main/java/org/apache/spark/sql/sources/v2/reader/SupportsPushDownFilters.java
 
b/sql/core/src/main/java/org/apache/spark/sql/sources/v2/reader/SupportsPushDownFilters.java
index d6f297c..6b0c9d4 100644
--- 
a/sql/core/src/main/java/org/apache/spark/sql/sources/v2/reader/SupportsPushDownFilters.java
+++ 
b/sql/core/src/main/java/org/apache/spark/sql/sources/v2/reader/SupportsPushDownFilters.java
@@ -18,7 +18,6 @@
 package org.apache.spark.sql.sources.v2.reader;
 
 import org.apache.spark.annotation.InterfaceStability;
-import org.apache.spark.sql.catalyst.expressions.Expression;
 import org.apache.spark.sql.sources.Filter;
 
 /**


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