Own fork of MbedSmartRest
Dependents: MbedSmartRestMain MbedSmartRestMain
Fork of MbedSmartRest by
Aggregator.cpp@0:099f76422485, 2014-07-03 (annotated)
- Committer:
- Cumulocity
- Date:
- Thu Jul 03 20:38:04 2014 +0200
- Revision:
- 0:099f76422485
- Child:
- 5:2b74510900da
Updated from revision 0413a0179eb6
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Cumulocity | 0:099f76422485 | 1 | /* |
Cumulocity | 0:099f76422485 | 2 | * Aggregator.cpp |
Cumulocity | 0:099f76422485 | 3 | * |
Cumulocity | 0:099f76422485 | 4 | * Created on: Nov 1, 2013 |
Cumulocity | 0:099f76422485 | 5 | * * Authors: Vincent Wochnik <v.wochnik@gmail.com> |
Cumulocity | 0:099f76422485 | 6 | * |
Cumulocity | 0:099f76422485 | 7 | * Copyright (c) 2013 Cumulocity GmbH |
Cumulocity | 0:099f76422485 | 8 | * |
Cumulocity | 0:099f76422485 | 9 | * Permission is hereby granted, free of charge, to any person obtaining |
Cumulocity | 0:099f76422485 | 10 | * a copy of this software and associated documentation files (the |
Cumulocity | 0:099f76422485 | 11 | * "Software"), to deal in the Software without restriction, including |
Cumulocity | 0:099f76422485 | 12 | * without limitation the rights to use, copy, modify, merge, publish, |
Cumulocity | 0:099f76422485 | 13 | * distribute, sublicense, and/or sell copies of the Software, and to |
Cumulocity | 0:099f76422485 | 14 | * permit persons to whom the Software is furnished to do so, subject to |
Cumulocity | 0:099f76422485 | 15 | * the following conditions: |
Cumulocity | 0:099f76422485 | 16 | * |
Cumulocity | 0:099f76422485 | 17 | * The above copyright notice and this permission notice shall be |
Cumulocity | 0:099f76422485 | 18 | * included in all copies or substantial portions of the Software. |
Cumulocity | 0:099f76422485 | 19 | * |
Cumulocity | 0:099f76422485 | 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
Cumulocity | 0:099f76422485 | 21 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
Cumulocity | 0:099f76422485 | 22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
Cumulocity | 0:099f76422485 | 23 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
Cumulocity | 0:099f76422485 | 24 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
Cumulocity | 0:099f76422485 | 25 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
Cumulocity | 0:099f76422485 | 26 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Cumulocity | 0:099f76422485 | 27 | */ |
Cumulocity | 0:099f76422485 | 28 | |
Cumulocity | 0:099f76422485 | 29 | #include "Aggregator.h" |
Cumulocity | 0:099f76422485 | 30 | #include <stdlib.h> |
Cumulocity | 0:099f76422485 | 31 | |
Cumulocity | 0:099f76422485 | 32 | #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE |
Cumulocity | 0:099f76422485 | 33 | Aggregator::Aggregator(size_t capacity, bool growing, bool copy) |
Cumulocity | 0:099f76422485 | 34 | { |
Cumulocity | 0:099f76422485 | 35 | _alloc = copy; |
Cumulocity | 0:099f76422485 | 36 | _growing = growing; |
Cumulocity | 0:099f76422485 | 37 | _capacity = 0; |
Cumulocity | 0:099f76422485 | 38 | _list = NULL; |
Cumulocity | 0:099f76422485 | 39 | _initial = capacity; |
Cumulocity | 0:099f76422485 | 40 | _length = 0; |
Cumulocity | 0:099f76422485 | 41 | } |
Cumulocity | 0:099f76422485 | 42 | #else |
Cumulocity | 0:099f76422485 | 43 | Aggregator::Aggregator(bool copy) |
Cumulocity | 0:099f76422485 | 44 | { |
Cumulocity | 0:099f76422485 | 45 | _alloc = copy; |
Cumulocity | 0:099f76422485 | 46 | _length = 0; |
Cumulocity | 0:099f76422485 | 47 | } |
Cumulocity | 0:099f76422485 | 48 | #endif |
Cumulocity | 0:099f76422485 | 49 | |
Cumulocity | 0:099f76422485 | 50 | Aggregator::~Aggregator() |
Cumulocity | 0:099f76422485 | 51 | { |
Cumulocity | 0:099f76422485 | 52 | if (_alloc) { |
Cumulocity | 0:099f76422485 | 53 | for (size_t n = 0; n < _length; n++) |
Cumulocity | 0:099f76422485 | 54 | delete _list[n]; |
Cumulocity | 0:099f76422485 | 55 | } |
Cumulocity | 0:099f76422485 | 56 | #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE |
Cumulocity | 0:099f76422485 | 57 | if (_list != NULL) |
Cumulocity | 0:099f76422485 | 58 | free(_list); |
Cumulocity | 0:099f76422485 | 59 | #endif |
Cumulocity | 0:099f76422485 | 60 | } |
Cumulocity | 0:099f76422485 | 61 | |
Cumulocity | 0:099f76422485 | 62 | bool Aggregator::add(const DataGenerator& generator) |
Cumulocity | 0:099f76422485 | 63 | { |
Cumulocity | 0:099f76422485 | 64 | if (this == &generator) |
Cumulocity | 0:099f76422485 | 65 | return false; |
Cumulocity | 0:099f76422485 | 66 | #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE |
Cumulocity | 0:099f76422485 | 67 | if (_length == _capacity) { |
Cumulocity | 0:099f76422485 | 68 | size_t capacity; |
Cumulocity | 0:099f76422485 | 69 | |
Cumulocity | 0:099f76422485 | 70 | if ((!_growing) && (_capacity != 0)) |
Cumulocity | 0:099f76422485 | 71 | return false; |
Cumulocity | 0:099f76422485 | 72 | |
Cumulocity | 0:099f76422485 | 73 | if (_capacity == 0) |
Cumulocity | 0:099f76422485 | 74 | capacity = _initial; |
Cumulocity | 0:099f76422485 | 75 | else |
Cumulocity | 0:099f76422485 | 76 | capacity = _capacity + SMARTREST_AGGREGATOR_MEMORY_INCREMENT; |
Cumulocity | 0:099f76422485 | 77 | |
Cumulocity | 0:099f76422485 | 78 | const DataGenerator **list = (const DataGenerator**)realloc(_list, |
Cumulocity | 0:099f76422485 | 79 | capacity*sizeof(DataGenerator*)); |
Cumulocity | 0:099f76422485 | 80 | if (list == NULL) |
Cumulocity | 0:099f76422485 | 81 | return false; |
Cumulocity | 0:099f76422485 | 82 | _list = list; |
Cumulocity | 0:099f76422485 | 83 | _capacity = capacity; |
Cumulocity | 0:099f76422485 | 84 | } |
Cumulocity | 0:099f76422485 | 85 | #else |
Cumulocity | 0:099f76422485 | 86 | if (_length == SMARTREST_AGGREGATOR_FIXED_SIZE) |
Cumulocity | 0:099f76422485 | 87 | return false; |
Cumulocity | 0:099f76422485 | 88 | #endif |
Cumulocity | 0:099f76422485 | 89 | |
Cumulocity | 0:099f76422485 | 90 | if (_alloc) { |
Cumulocity | 0:099f76422485 | 91 | DataGenerator *copy = generator.copy(); |
Cumulocity | 0:099f76422485 | 92 | if (copy == NULL) |
Cumulocity | 0:099f76422485 | 93 | return false; |
Cumulocity | 0:099f76422485 | 94 | _list[_length++] = copy; |
Cumulocity | 0:099f76422485 | 95 | } else { |
Cumulocity | 0:099f76422485 | 96 | _list[_length++] = &generator; |
Cumulocity | 0:099f76422485 | 97 | } |
Cumulocity | 0:099f76422485 | 98 | return true; |
Cumulocity | 0:099f76422485 | 99 | } |
Cumulocity | 0:099f76422485 | 100 | |
Cumulocity | 0:099f76422485 | 101 | void Aggregator::clear() |
Cumulocity | 0:099f76422485 | 102 | { |
Cumulocity | 0:099f76422485 | 103 | if (_alloc) { |
Cumulocity | 0:099f76422485 | 104 | for (size_t n = 0; n < _length; n++) |
Cumulocity | 0:099f76422485 | 105 | delete _list[n]; |
Cumulocity | 0:099f76422485 | 106 | } |
Cumulocity | 0:099f76422485 | 107 | _length = 0; |
Cumulocity | 0:099f76422485 | 108 | |
Cumulocity | 0:099f76422485 | 109 | #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE |
Cumulocity | 0:099f76422485 | 110 | if (_list != NULL) |
Cumulocity | 0:099f76422485 | 111 | free(_list); |
Cumulocity | 0:099f76422485 | 112 | _list = NULL; |
Cumulocity | 0:099f76422485 | 113 | _capacity = 0; |
Cumulocity | 0:099f76422485 | 114 | #endif |
Cumulocity | 0:099f76422485 | 115 | } |
Cumulocity | 0:099f76422485 | 116 | |
Cumulocity | 0:099f76422485 | 117 | size_t Aggregator::length() |
Cumulocity | 0:099f76422485 | 118 | { |
Cumulocity | 0:099f76422485 | 119 | return _length; |
Cumulocity | 0:099f76422485 | 120 | } |
Cumulocity | 0:099f76422485 | 121 | |
Cumulocity | 0:099f76422485 | 122 | bool Aggregator::full() |
Cumulocity | 0:099f76422485 | 123 | { |
Cumulocity | 0:099f76422485 | 124 | #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE |
Cumulocity | 0:099f76422485 | 125 | return (_growing) ? false : (_length == _capacity); |
Cumulocity | 0:099f76422485 | 126 | #else |
Cumulocity | 0:099f76422485 | 127 | return (_length == SMARTREST_AGGREGATOR_FIXED_SIZE); |
Cumulocity | 0:099f76422485 | 128 | #endif |
Cumulocity | 0:099f76422485 | 129 | } |
Cumulocity | 0:099f76422485 | 130 | |
Cumulocity | 0:099f76422485 | 131 | size_t Aggregator::capacity() |
Cumulocity | 0:099f76422485 | 132 | { |
Cumulocity | 0:099f76422485 | 133 | #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE |
Cumulocity | 0:099f76422485 | 134 | return (_growing) ? 0 : _capacity; |
Cumulocity | 0:099f76422485 | 135 | #else |
Cumulocity | 0:099f76422485 | 136 | return SMARTREST_AGGREGATOR_FIXED_SIZE; |
Cumulocity | 0:099f76422485 | 137 | #endif |
Cumulocity | 0:099f76422485 | 138 | } |
Cumulocity | 0:099f76422485 | 139 | |
Cumulocity | 0:099f76422485 | 140 | size_t Aggregator::writeTo(AbstractDataSink& sink) const |
Cumulocity | 0:099f76422485 | 141 | { |
Cumulocity | 0:099f76422485 | 142 | size_t len = 0; |
Cumulocity | 0:099f76422485 | 143 | for (size_t n = 0; n < _length; n++) |
Cumulocity | 0:099f76422485 | 144 | len += _list[n]->writeTo(sink); |
Cumulocity | 0:099f76422485 | 145 | return len; |
Cumulocity | 0:099f76422485 | 146 | } |
Cumulocity | 0:099f76422485 | 147 | |
Cumulocity | 0:099f76422485 | 148 | size_t Aggregator::writtenLength() const |
Cumulocity | 0:099f76422485 | 149 | { |
Cumulocity | 0:099f76422485 | 150 | size_t len = 0; |
Cumulocity | 0:099f76422485 | 151 | for (size_t n = 0; n < _length; n++) |
Cumulocity | 0:099f76422485 | 152 | len += _list[n]->writtenLength(); |
Cumulocity | 0:099f76422485 | 153 | return len; |
Cumulocity | 0:099f76422485 | 154 | } |
Cumulocity | 0:099f76422485 | 155 | |
Cumulocity | 0:099f76422485 | 156 | DataGenerator* Aggregator::copy() const |
Cumulocity | 0:099f76422485 | 157 | { |
Cumulocity | 0:099f76422485 | 158 | #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE |
Cumulocity | 0:099f76422485 | 159 | Aggregator *copy = new Aggregator(_length, _growing, true); |
Cumulocity | 0:099f76422485 | 160 | #else |
Cumulocity | 0:099f76422485 | 161 | Aggregator *copy = new Aggregator(true); |
Cumulocity | 0:099f76422485 | 162 | #endif |
Cumulocity | 0:099f76422485 | 163 | for (size_t n = 0; n < _length; n++) |
Cumulocity | 0:099f76422485 | 164 | copy->add(*_list[n]); |
Cumulocity | 0:099f76422485 | 165 | return copy; |
Cumulocity | 0:099f76422485 | 166 | } |
Cumulocity | 0:099f76422485 | 167 |