| /** |
| * 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.hdfs.protocol.Block; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.io.Writable; |
| |
| /** |
| * A data structure to store Block and delHints together, used to send |
| * received/deleted ACKs. |
| */ |
| public class ReceivedDeletedBlockInfo implements Writable { |
| Block block; |
| String delHints; |
| |
| public final static String TODELETE_HINT = "-"; |
| |
| public ReceivedDeletedBlockInfo() { |
| } |
| |
| public ReceivedDeletedBlockInfo(Block blk, String delHints) { |
| this.block = blk; |
| this.delHints = delHints; |
| } |
| |
| public Block getBlock() { |
| return this.block; |
| } |
| |
| public void setBlock(Block blk) { |
| this.block = blk; |
| } |
| |
| public String getDelHints() { |
| return this.delHints; |
| } |
| |
| public void setDelHints(String hints) { |
| this.delHints = hints; |
| } |
| |
| public boolean equals(Object o) { |
| if (!(o instanceof ReceivedDeletedBlockInfo)) { |
| return false; |
| } |
| ReceivedDeletedBlockInfo other = (ReceivedDeletedBlockInfo) o; |
| return this.block.equals(other.getBlock()) |
| && this.delHints.equals(other.delHints); |
| } |
| |
| public int hashCode() { |
| assert false : "hashCode not designed"; |
| return 0; |
| } |
| |
| public boolean blockEquals(Block b) { |
| return this.block.equals(b); |
| } |
| |
| public boolean isDeletedBlock() { |
| return delHints.equals(TODELETE_HINT); |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| this.block.write(out); |
| Text.writeString(out, this.delHints); |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| this.block = new Block(); |
| this.block.readFields(in); |
| this.delHints = Text.readString(in); |
| } |
| |
| public String toString() { |
| return block.toString() + ", delHint: " + delHints; |
| } |
| } |