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.regionserver;
19
20 import java.io.IOException;
21 import java.util.UUID;
22
23 import org.apache.hadoop.hbase.HConstants;
24 import org.apache.hadoop.hbase.client.Durability;
25 import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
26
27 import com.google.protobuf.Message;
28
29 /**
30 * Base class for RowProcessor with some default implementations.
31 */
32 public abstract class BaseRowProcessor<S extends Message,T extends Message>
33 implements RowProcessor<S,T> {
34
35 @Override
36 public void preProcess(HRegion region, WALEdit walEdit) throws IOException {
37 }
38
39 @Override
40 public void postProcess(HRegion region, WALEdit walEdit) throws IOException {
41 }
42
43 @Override
44 public UUID getClusterId() {
45 return HConstants.DEFAULT_CLUSTER_ID;
46 }
47
48 @Override
49 public String getName() {
50 return this.getClass().getSimpleName().toLowerCase();
51 }
52
53 @Override
54 public Durability useDurability() {
55 return Durability.USE_DEFAULT;
56 }
57 }