1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.apache.hadoop.hbase;
19
20 import java.io.IOException;
21
22 import org.apache.hadoop.hbase.classification.InterfaceAudience;
23 import org.apache.hadoop.hbase.classification.InterfaceStability;
24
25 /**
26 * Thrown by a region server if it will block and wait to serve a request.
27 * For example, the client wants to insert something to a region while the
28 * region is compacting.
29 */
30 @InterfaceAudience.Public
31 @InterfaceStability.Evolving
32 public class RegionTooBusyException extends IOException {
33 private static final long serialVersionUID = 1728345723728342L;
34
35 /** default constructor */
36 public RegionTooBusyException() {
37 super();
38 }
39
40 /**
41 * Constructor
42 * @param msg message
43 */
44 public RegionTooBusyException(final String msg) {
45 super(msg);
46 }
47 }