1/********************************************************************
2 * Copyright (c) 2013 - 2014, Pivotal Inc.
3 * All rights reserved.
4 *
5 * Author: Zhanwei Wang
6 ********************************************************************/
7/********************************************************************
8 * 2014 -
9 * open source under Apache License Version 2.0
10 ********************************************************************/
11/**
12 * Licensed to the Apache Software Foundation (ASF) under one
13 * or more contributor license agreements. See the NOTICE file
14 * distributed with this work for additional information
15 * regarding copyright ownership. The ASF licenses this file
16 * to you under the Apache License, Version 2.0 (the
17 * "License"); you may not use this file except in compliance
18 * with the License. You may obtain a copy of the License at
19 *
20 * http://www.apache.org/licenses/LICENSE-2.0
21 *
22 * Unless required by applicable law or agreed to in writing, software
23 * distributed under the License is distributed on an "AS IS" BASIS,
24 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 * See the License for the specific language governing permissions and
26 * limitations under the License.
27 */
28#ifndef _HDFS_LIBHDFS3_SERVER_LOCATEDBLOCK_H_
29#define _HDFS_LIBHDFS3_SERVER_LOCATEDBLOCK_H_
30
31#include "client/Token.h"
32#include "DatanodeInfo.h"
33#include "ExtendedBlock.h"
34
35#include <vector>
36
37namespace Hdfs {
38namespace Internal {
39
40/**
41 * Associates a block with the Datanodes that contain its replicas
42 * and other block metadata (E.g. the file offset associated with this
43 * block, whether it is corrupt, security token, etc).
44 */
45class LocatedBlock: public ExtendedBlock {
46public:
47 LocatedBlock() :
48 offset(0), corrupt(false) {
49 }
50
51 LocatedBlock(int64_t position) :
52 offset(position), corrupt(false) {
53 }
54
55 bool isCorrupt() const {
56 return corrupt;
57 }
58
59 void setCorrupt(bool corrupt) {
60 this->corrupt = corrupt;
61 }
62
63 const std::vector<DatanodeInfo> & getLocations() const {
64 return locs;
65 }
66
67 std::vector<DatanodeInfo> & mutableLocations() {
68 return locs;
69 }
70
71 void setLocations(const std::vector<DatanodeInfo> & locs) {
72 this->locs = locs;
73 }
74
75 int64_t getOffset() const {
76 return offset;
77 }
78
79 void setOffset(int64_t offset) {
80 this->offset = offset;
81 }
82
83 const Token & getToken() const {
84 return token;
85 }
86
87 void setToken(const Token & token) {
88 this->token = token;
89 }
90
91 bool operator <(const LocatedBlock & that) const {
92 return this->offset < that.offset;
93 }
94
95 const std::vector<std::string> & getStorageIDs() const {
96 return storageIDs;
97 }
98
99 std::vector<std::string> & mutableStorageIDs() {
100 return storageIDs;
101 }
102
103 void setStorageIDs(const std::vector<std::string>& sid) {
104 this->storageIDs = sid;
105 }
106
107private:
108 int64_t offset;
109 bool corrupt;
110 std::vector<DatanodeInfo> locs;
111 std::vector<std::string> storageIDs;
112 Token token;
113};
114
115}
116}
117
118#endif /* _HDFS_LIBHDFS3_SERVER_LOCATEDBLOCK_H_ */
119