001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hdfs.protocol; 019 020import java.util.Arrays; 021 022/** 023 * Contains a list of paths corresponding to corrupt files and a cookie 024 * used for iterative calls to NameNode.listCorruptFileBlocks. 025 * 026 */ 027public class CorruptFileBlocks { 028 // used for hashCode 029 private static final int PRIME = 16777619; 030 031 private String[] files; 032 private String cookie; 033 034 public CorruptFileBlocks() { 035 this(new String[0], ""); 036 } 037 038 public CorruptFileBlocks(String[] files, String cookie) { 039 this.files = files; 040 this.cookie = cookie; 041 } 042 043 public String[] getFiles() { 044 return files; 045 } 046 047 public String getCookie() { 048 return cookie; 049 } 050 051 @Override 052 public boolean equals(Object obj) { 053 if (this == obj) { 054 return true; 055 } 056 if (!(obj instanceof CorruptFileBlocks)) { 057 return false; 058 } 059 CorruptFileBlocks other = (CorruptFileBlocks) obj; 060 return cookie.equals(other.cookie) && 061 Arrays.equals(files, other.files); 062 } 063 064 065 @Override 066 public int hashCode() { 067 int result = cookie.hashCode(); 068 069 for (String file : files) { 070 result = PRIME * result + file.hashCode(); 071 } 072 073 return result; 074 } 075}