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Posted to commits@hbase.apache.org by st...@apache.org on 2011/10/18 14:20:19 UTC
svn commit: r1185618 -
/hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ResponseFlag.java
Author: stack
Date: Tue Oct 18 12:20:19 2011
New Revision: 1185618
URL: http://svn.apache.org/viewvc?rev=1185618&view=rev
Log:
HBASE-3581 hbase rpc should send size of response
Added:
hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ResponseFlag.java
Added: hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ResponseFlag.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ResponseFlag.java?rev=1185618&view=auto
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ResponseFlag.java (added)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ResponseFlag.java Tue Oct 18 12:20:19 2011
@@ -0,0 +1,47 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.ipc;
+
+/**
+ * Utility for managing the flag byte passed in response to a
+ * {@link HBaseServer.Call}
+ */
+class ResponseFlag {
+ private static final byte ERROR_BIT = 0x1;
+ private static final byte LENGTH_BIT = 0x2;
+
+ private ResponseFlag() {
+ // Make it so this class cannot be constructed.
+ }
+
+ static boolean isError(final byte flag) {
+ return (flag & ERROR_BIT) != 0;
+ }
+
+ static boolean isLength(final byte flag) {
+ return (flag & LENGTH_BIT) != 0;
+ }
+
+ static byte getLengthSetOnly() {
+ return LENGTH_BIT;
+ }
+
+ static byte getErrorAndLengthSet() {
+ return LENGTH_BIT & ERROR_BIT;
+ }
+}
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