| /** |
| * 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.protocol; |
| |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.io.Text; |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Arrays; |
| |
| /** |
| * Contains a list of paths corresponding to corrupt files and a cookie |
| * used for iterative calls to NameNode.listCorruptFileBlocks. |
| * |
| */ |
| public class CorruptFileBlocks implements Writable { |
| // used for hashCode |
| private static final int PRIME = 16777619; |
| |
| private String[] files; |
| private String cookie; |
| |
| public CorruptFileBlocks() { |
| this(new String[0], ""); |
| } |
| |
| public CorruptFileBlocks(String[] files, String cookie) { |
| this.files = files; |
| this.cookie = cookie; |
| } |
| |
| public String[] getFiles() { |
| return files; |
| } |
| |
| public String getCookie() { |
| return cookie; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| int fileCount = in.readInt(); |
| files = new String[fileCount]; |
| for (int i = 0; i < fileCount; i++) { |
| files[i] = Text.readString(in); |
| } |
| cookie = Text.readString(in); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void write(DataOutput out) throws IOException { |
| out.writeInt(files.length); |
| for (int i = 0; i < files.length; i++) { |
| Text.writeString(out, files[i]); |
| } |
| Text.writeString(out, cookie); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof CorruptFileBlocks)) { |
| return false; |
| } |
| CorruptFileBlocks other = (CorruptFileBlocks) obj; |
| return cookie.equals(other.cookie) && |
| Arrays.equals(files, other.files); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public int hashCode() { |
| int result = cookie.hashCode(); |
| |
| for (String file : files) { |
| result = PRIME * result + file.hashCode(); |
| } |
| |
| return result; |
| } |
| } |