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Posted to commits@hbase.apache.org by st...@apache.org on 2012/09/06 18:37:07 UTC
svn commit: r1381670 - in /hbase/trunk/hbase-common/src:
main/java/org/apache/hadoop/hbase/util/Bytes.java
test/java/org/apache/hadoop/hbase/util/TestBytes.java
Author: stack
Date: Thu Sep 6 16:37:07 2012
New Revision: 1381670
URL: http://svn.apache.org/viewvc?rev=1381670&view=rev
Log:
HBASE-6352 Add copy method in Bytes
Modified:
hbase/trunk/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java
hbase/trunk/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestBytes.java
Modified: hbase/trunk/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java?rev=1381670&r1=1381669&r2=1381670&view=diff
==============================================================================
--- hbase/trunk/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java (original)
+++ hbase/trunk/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java Thu Sep 6 16:37:07 2012
@@ -1655,5 +1655,17 @@ public class Bytes {
return toString(b, 0, n);
}
-
+
+ /**
+ * Copy the byte array given in parameter and return an instance
+ * of a new byte array with the same length and the same content.
+ * @param bytes the byte array to duplicate
+ * @return a copy of the given byte array
+ */
+ public static byte [] copy(byte [] bytes) {
+ if (bytes == null) return null;
+ byte [] result = new byte[bytes.length];
+ System.arraycopy(bytes, 0, result, 0, bytes.length);
+ return result;
+ }
}
Modified: hbase/trunk/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestBytes.java
URL: http://svn.apache.org/viewvc/hbase/trunk/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestBytes.java?rev=1381670&r1=1381669&r2=1381670&view=diff
==============================================================================
--- hbase/trunk/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestBytes.java (original)
+++ hbase/trunk/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestBytes.java Thu Sep 6 16:37:07 2012
@@ -283,5 +283,12 @@ public class TestBytes extends TestCase
assertEquals("World", Bytes.readStringFixedSize(dis, 18));
assertEquals("", Bytes.readStringFixedSize(dis, 9));
}
+
+ public void testCopy() throws Exception {
+ byte [] bytes = Bytes.toBytes("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+ byte [] copy = Bytes.copy(bytes);
+ assertFalse(bytes == copy);
+ assertTrue(Bytes.equals(bytes, copy));
+ }
}