Minor changes according to comments

jerryshao · jerryshao · commit 83acb38649ef · 2014-09-24T13:15:49.000+08:00
diff --git a/core/src/main/scala/org/apache/spark/util/collection/ExternalSorter.scala b/core/src/main/scala/org/apache/spark/util/collection/ExternalSorter.scala
@@ -152,7 +152,7 @@ private[spark] class ExternalSorter[K, V, C](
     override def compare(a: K, b: K): Int = {
       val h1 = if (a == null) 0 else a.hashCode()
       val h2 = if (b == null) 0 else b.hashCode()
-      Integer.compare(h1, h2)
+      if (h1 < h2) -1 else if (h1 == h2) 0 else 1
     }
   })
 

Original file line number	Diff line number	Diff line change
`@@ -152,7 +152,7 @@ private[spark] class ExternalSorter[K, V, C](`
`152`	`152`	`override def compare(a: K, b: K): Int = {`
`153`	`153`	`val h1 = if (a == null) 0 else a.hashCode()`
`154`	`154`	`val h2 = if (b == null) 0 else b.hashCode()`
`155`		`- Integer.compare(h1, h2)`
	`155`	`+ if (h1 < h2) -1 else if (h1 == h2) 0 else 1`
`156`	`156`	`}`
`157`	`157`	`})`
`158`	`158`