SlidingAverage.hh
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/*
* SlidingAverage.hh
*
* Created on: Dec 3, 2012
* Author: f.casimir
*/
#ifndef SlidingAverage_HH_
#define SlidingAverage_HH_
#include <iostream>
#include <list>
#include "Parameter.hh"
#include "ParamData.hh"
#include "DataTypeMath.hh"
#include "Operation.hh"
namespace AMDA {
namespace Parameters {
/**
* @class SlidingAverage
* @brief It is responsible to shift data of any ParamData type.
* @details This class implement the interface Operation.
*/
template<class TParamData>
class SlidingAverage : public Operation {
typedef typename TParamData::ElementType ElemType;
public:
/**
* @brief Constructor.
* @details Create the ParamData type of the input ParamData.
*/
SlidingAverage(Process& pProcess, TParamData& paramInput, double second)
: Operation(pProcess),
_paramInput(paramInput),
_paramOutput(new TParamData()),
_second(second),
_startTime(0.0),
_index(0) {
_paramDataOutput=_paramOutput;
}
/**
* @overload Operation::write(ParamDataIndexInfo &pParamDataIndexInfo)
*/
void write(ParamDataIndexInfo &pParamDataIndexInfo) {
unsigned int _index = pParamDataIndexInfo._startIndex;
//first call
if (_startTime == 0.0) {
_startTime = _paramInput.getTime(_index);
}
if (pParamDataIndexInfo._nbDataToProcess > 0) {
for (;_index < pParamDataIndexInfo._startIndex
+ pParamDataIndexInfo._nbDataToProcess;
_index++) {
if (_paramInput.getTime(_index) - _startTime > _second / 2) {
_paramOutput->pushTime(_memTime.front());
_memTime.pop_front();
_paramOutput->getDataList().push_back(average(_mem,_paramInput.getDim1(),_paramInput.getDim2()));
}
ElemType lVal = _paramInput.getDataList()[_index];
_mem.push_back(lVal);
_memTime.push_back(_paramInput.getTime(_index));
if (_paramInput.getTime(_index) - _startTime >= _second) {
_mem.pop_front();
}
}
}
//end of data
else if(!_mem. empty() ){
//_mem.pop_front();
for(unsigned int i = _mem.size(); i > 0; --i) {
if(!_memTime.empty()) {
_paramOutput->pushTime(_memTime.front());
_memTime.pop_front();
_paramOutput->getDataList().push_back(average(_mem,_paramInput.getDim1(),_paramInput.getDim2()));
}
++_index;
_mem.pop_front();
}
}
}
/**
* @overload Operation::reset(double pStartTime, double pTimeInt)
* @brief reset static data to process another TimeInterval
*/
virtual void reset() {
Operation::reset();
_startTime = 0.0;
_index = 0;
_memTime.clear();
_mem.clear();
}
private:
/**
* @brief It is the channel of data to shift.
*/
TParamData &_paramInput;
/**
* @brief It is the channel of the data shifted.
*/
TParamData *_paramOutput;
/**
* @brief length of average in second.
*/
double _second;
/**
* @brief last start time of mean compute .
*/
double _startTime;
/**
* @brief memory data for compute average.
*/
std::list<ElemType> _mem;
/**
* @brief memory time for put data in past.
*/
std::list<double> _memTime;
/**
* @brief index of current read data.
*/
unsigned int _index;
};
} /* namespace Parameters */
} /* namespace AMDA */
#endif /* SlidingAverage_HH_ */