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HADOOP-7078. Improve javadocs for RawComparator interface. Contributed by Harsh J Chouraria. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1052933 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2010-12-26 20:06:27 +00:00
parent 23da8fe75e
commit 38ab39aa61
2 changed files with 15 additions and 0 deletions
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3
CHANGES.txt
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@ -36,6 +36,9 @@ Trunk (unreleased changes)
HADOOP-7059. Remove "unused" warning in native code. (Noah Watkins via eli)
HADOOP-7078. Improve javadocs for RawComparator interface.
(Harsh J Chouraria via todd)
OPTIMIZATIONS
BUG FIXES

12
src/java/org/apache/hadoop/io/RawComparator.java
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@ -36,6 +36,18 @@ import org.apache.hadoop.io.serializer.DeserializerComparator;
@InterfaceStability.Stable
public interface RawComparator<T> extends Comparator<T> {
/**
* Compare two objects in binary.
* b1[s1:l1] is the first object, and b2[s2:l2] is the second object.
*
* @param b1 The first byte array.
* @param s1 The position index in b1. The object under comparison's starting index.
* @param l1 The length of the object in b1.
* @param b2 The second byte array.
* @param s2 The position index in b2. The object under comparison's starting index.
* @param l2 The length of the object under comparison in b2.
* @return An integer result of the comparison.
*/
public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2);
}