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.regionserver.wal.WALEdit; 25 26 import com.google.protobuf.Message; 27 28 /** 29 * Base class for RowProcessor with some default implementations. 30 */ 31 public abstract class BaseRowProcessor<S extends Message,T extends Message> 32 implements RowProcessor<S,T> { 33 34 @Override 35 public void preProcess(HRegion region, WALEdit walEdit) throws IOException { 36 } 37 38 @Override 39 public void postProcess(HRegion region, WALEdit walEdit) throws IOException { 40 } 41 42 @Override 43 public UUID getClusterId() { 44 return HConstants.DEFAULT_CLUSTER_ID; 45 } 46 47 @Override 48 public String getName() { 49 return this.getClass().getSimpleName().toLowerCase(); 50 } 51 }