| /** |
| * 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.hdfs.server.protocol; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.hdfs.protocol.Block; |
| import org.apache.hadoop.hdfs.server.common.HdfsConstants.ReplicaState; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.io.WritableFactories; |
| import org.apache.hadoop.io.WritableFactory; |
| |
| /** |
| * Replica recovery information. |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public class ReplicaRecoveryInfo extends Block { |
| private ReplicaState originalState; |
| |
| public ReplicaRecoveryInfo() { |
| } |
| |
| public ReplicaRecoveryInfo(long blockId, long diskLen, long gs, ReplicaState rState) { |
| set(blockId, diskLen, gs); |
| originalState = rState; |
| } |
| |
| public ReplicaState getOriginalReplicaState() { |
| return originalState; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return super.equals(o); |
| } |
| |
| @Override |
| public int hashCode() { |
| return super.hashCode(); |
| } |
| |
| /////////////////////////////////////////// |
| // Writable |
| /////////////////////////////////////////// |
| static { // register a ctor |
| WritableFactories.setFactory |
| (ReplicaRecoveryInfo.class, |
| new WritableFactory() { |
| public Writable newInstance() { return new ReplicaRecoveryInfo(); } |
| }); |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| super.readFields(in); |
| originalState = ReplicaState.read(in); |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| super.write(out); |
| originalState.write(out); |
| } |
| } |