| /** |
| * 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.*; |
| |
| import org.apache.hadoop.hdfs.protocol.Block; |
| import org.apache.hadoop.io.*; |
| |
| /** |
| * Meta data information for a block |
| */ |
| public class BlockMetaDataInfo extends Block { |
| static final WritableFactory FACTORY = new WritableFactory() { |
| public Writable newInstance() { return new BlockMetaDataInfo(); } |
| }; |
| static { // register a ctor |
| WritableFactories.setFactory(BlockMetaDataInfo.class, FACTORY); |
| } |
| |
| private long lastScanTime; |
| |
| public BlockMetaDataInfo() {} |
| |
| public BlockMetaDataInfo(Block b, long lastScanTime) { |
| super(b); |
| this.lastScanTime = lastScanTime; |
| } |
| |
| public long getLastScanTime() {return lastScanTime;} |
| |
| /** {@inheritDoc} */ |
| public void write(DataOutput out) throws IOException { |
| super.write(out); |
| out.writeLong(lastScanTime); |
| } |
| |
| /** {@inheritDoc} */ |
| public void readFields(DataInput in) throws IOException { |
| super.readFields(in); |
| lastScanTime = in.readLong(); |
| } |
| } |