Own fork of MbedSmartRest
Dependents: MbedSmartRestMain MbedSmartRestMain
Fork of MbedSmartRest by
Aggregator.cpp
- Committer:
- Cumulocity
- Date:
- 2014-11-15
- Revision:
- 11:e1bee9a77652
- Parent:
- 6:cd7ba1ddb664
File content as of revision 11:e1bee9a77652:
/* * Aggregator.cpp * * Created on: Nov 1, 2013 * * Authors: Vincent Wochnik <v.wochnik@gmail.com> * * Copyright (c) 2013 Cumulocity GmbH * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "Aggregator.h" #include <stdlib.h> /*-------------------------------------------------------------------------*/ #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE Aggregator::Aggregator(size_t capacity, bool growing, bool managed) : _initial(capacity), _growing(growing), _managed(managed) { _capacity = 0; _list = NULL; _length = 0; } #else Aggregator::Aggregator(bool managed) : _managed(managed) { _length = 0; } #endif /*-------------------------------------------------------------------------*/ Aggregator::~Aggregator() { if (_managed) { for (size_t n = 0; n < _length; n++) delete _list[n]; } #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE if (_list != NULL) free(_list); #endif } /*-------------------------------------------------------------------------*/ bool Aggregator::add(const Record& record) { #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE if (_length == _capacity) { size_t capacity; if ((!_growing) && (_capacity != 0)) return false; if (_capacity == 0) capacity = _initial; else capacity = _capacity + SMARTREST_AGGREGATOR_MEMORY_INCREMENT; const Record **list = (const Record**)realloc(_list, capacity*sizeof(Record*)); if (list == NULL) return false; _list = list; _capacity = capacity; } #else if (_length == SMARTREST_AGGREGATOR_FIXED_SIZE) return false; #endif if (_managed) { Record *copy = record.copy(); if (copy == NULL) return false; _list[_length++] = copy; } else { _list[_length++] = &record; } return true; } /*-------------------------------------------------------------------------*/ const Record& Aggregator::get(size_t index) const { return *_list[index]; } /*-------------------------------------------------------------------------*/ void Aggregator::clear() { if (_managed) { for (size_t n = 0; n < _length; n++) delete _list[n]; } _length = 0; #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE if (_list != NULL) free(_list); _list = NULL; _capacity = 0; #endif } /*-------------------------------------------------------------------------*/ size_t Aggregator::length() const { return _length; } /*-------------------------------------------------------------------------*/ bool Aggregator::full() const { #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE return (_growing) ? false : (_length == _capacity); #else return (_length == SMARTREST_AGGREGATOR_FIXED_SIZE); #endif } /*-------------------------------------------------------------------------*/ size_t Aggregator::capacity() const { #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE return (_growing) ? 0 : _capacity; #else return SMARTREST_AGGREGATOR_FIXED_SIZE; #endif } /*-------------------------------------------------------------------------*/ bool Aggregator::managed() const { return _managed; } /*-------------------------------------------------------------------------*/ size_t Aggregator::writeTo(AbstractDataSink& sink) const { size_t len = 0; for (size_t n = 0; n < _length; n++) len += _list[n]->writeTo(sink); return len; } /*-------------------------------------------------------------------------*/ size_t Aggregator::writtenLength() const { size_t len = 0; for (size_t n = 0; n < _length; n++) len += _list[n]->writtenLength(); return len; } /*-------------------------------------------------------------------------*/ Aggregator* Aggregator::copy() const { #ifndef SMARTREST_AGGREGATOR_FIXED_SIZE Aggregator *copy = new Aggregator(_length, _growing, true); #else Aggregator *copy = new Aggregator(true); #endif for (size_t n = 0; n < _length; n++) copy->add(*_list[n]); return copy; } /*-------------------------------------------------------------------------*/