| 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 | #include "Hash.h" |
| 29 | |
| 30 | #ifdef NEED_BOOST |
| 31 | |
| 32 | #include <boost/functional/hash.hpp> |
| 33 | |
| 34 | namespace Hdfs { |
| 35 | namespace Internal { |
| 36 | |
| 37 | /** |
| 38 | * A hash function object used to hash a boolean value. |
| 39 | */ |
| 40 | boost::hash<bool> BoolHasher; |
| 41 | |
| 42 | /** |
| 43 | * A hash function object used to hash an int value. |
| 44 | */ |
| 45 | boost::hash<int> Int32Hasher; |
| 46 | |
| 47 | /** |
| 48 | * A hash function object used to hash an 64 bit int value. |
| 49 | */ |
| 50 | boost::hash<int64_t> Int64Hasher; |
| 51 | |
| 52 | /** |
| 53 | * A hash function object used to hash a size_t value. |
| 54 | */ |
| 55 | boost::hash<size_t> SizeHasher; |
| 56 | |
| 57 | /** |
| 58 | * A hash function object used to hash a std::string object. |
| 59 | */ |
| 60 | boost::hash<std::string> StringHasher; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | #else |
| 65 | |
| 66 | #include <functional> |
| 67 | |
| 68 | namespace Hdfs { |
| 69 | namespace Internal { |
| 70 | |
| 71 | /** |
| 72 | * A hash function object used to hash a boolean value. |
| 73 | */ |
| 74 | std::hash<bool> BoolHasher; |
| 75 | |
| 76 | /** |
| 77 | * A hash function object used to hash an int value. |
| 78 | */ |
| 79 | std::hash<int> Int32Hasher; |
| 80 | |
| 81 | /** |
| 82 | * A hash function object used to hash an 64 bit int value. |
| 83 | */ |
| 84 | std::hash<int64_t> Int64Hasher; |
| 85 | |
| 86 | /** |
| 87 | * A hash function object used to hash a size_t value. |
| 88 | */ |
| 89 | std::hash<size_t> SizeHasher; |
| 90 | |
| 91 | /** |
| 92 | * A hash function object used to hash a std::string object. |
| 93 | */ |
| 94 | std::hash<std::string> StringHasher; |
| 95 | |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | #endif |
| 100 | |