SlidingAverageProcess.cc
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/*
* SlidingAverageProcess.cc
*
* Created on: Dec 12, 2012
* Author: f.casimir
*/
#include <stdlib.h>
#include <string>
#include "Operation.hh"
#include "ParameterManager.hh"
#include "SlidingAverageProcess.hh"
#include "SlidingAverageCreator.hh"
#include "ParameterCreatorFromExpression.hh"
using namespace std;
using namespace boost;
using namespace log4cxx;
namespace AMDA {
namespace Parameters {
SlidingAverageProcess::SlidingAverageProcess(Parameter ¶meter)
: SingleParamProcess_CRTP(parameter),
_SlidingAverageTime(0.0) {
}
SlidingAverageProcess::SlidingAverageProcess(const SlidingAverageProcess& pProcess, Parameter ¶meter)
: SingleParamProcess_CRTP(pProcess,parameter),
_SlidingAverageTime(pProcess._SlidingAverageTime) {
}
SlidingAverageProcess::~SlidingAverageProcess() {
}
TimeStamp SlidingAverageProcess::init() {
TimeStamp timeStamp = _parameterInput->init( this, _timeIntervalList);
Parameter::InfoList lInfoList = _parameterInput->getInfoList();
_parameter.getInfoList().insert(lInfoList.begin(), lInfoList.end());
_paramInput = _parameterInput->getParamData(this).get();
//GET Sampling
if (_attributList.size() != 1) {
BOOST_THROW_EXCEPTION(AMDA::AMDA_exception() << AMDA::errno_code(AMDA_PROCESS_ERR) << AMDA::ex_msg(std::string("SlidingAverageProcess required at least one attribute: Sliding Average Time")));
}
_SlidingAverageTime = atof(_attributList[0].c_str());
SlidingAverageCreator lSlidingAverageCreator(*this,*_paramInput,_SlidingAverageTime);
_operation = lSlidingAverageCreator.getOperation();
_paramData = ParamDataSPtr(_operation->getParamOutput());
_paramData->setMinSampling(_paramInput->getMinSampling());
return timeStamp;
}
unsigned int SlidingAverageProcess::write() {
unsigned int nbDataBeforeCallProcess = _paramData->getDataNumber();
ParamDataIndexInfo lParamDataIndexInfo =_parameterInput->getAsync(this).get() ;
_operation->write(lParamDataIndexInfo);
//test if enough data has read to SlidingAverage
// Continue to read data until _nbDataToProcess is not equal to zero and time interval changed or
// when _nbDataToProcess is equal to zero (this commonly appears when all time interval are processed)
if( (lParamDataIndexInfo._nbDataToProcess != 0 && !lParamDataIndexInfo._timeIntToProcessChanged) ||
(lParamDataIndexInfo._nbDataToProcess == 0 && lParamDataIndexInfo._timeIntToProcessChanged) ) {
ParamDataIndexInfo lParamDataIndexInfoTmp(lParamDataIndexInfo);
double firstTime = _paramInput->getTime(lParamDataIndexInfo._startIndex);
double lastTime = _paramInput->getTime(lParamDataIndexInfo._startIndex + lParamDataIndexInfo._nbDataToProcess - 1);
//IF not enough data, get more data
while( ((lParamDataIndexInfo._nbDataToProcess != 0 && !lParamDataIndexInfo._timeIntToProcessChanged) ||
(lParamDataIndexInfo._nbDataToProcess == 0 && lParamDataIndexInfo._timeIntToProcessChanged))
&& lastTime < (_SlidingAverageTime + firstTime) ) {
lParamDataIndexInfoTmp =_parameterInput->getAsync(this).get() ;
_operation->write(lParamDataIndexInfoTmp);
lParamDataIndexInfo._nbDataToProcess += lParamDataIndexInfoTmp._nbDataToProcess;
lastTime = _paramInput->getTime(lParamDataIndexInfo._startIndex + lParamDataIndexInfo._nbDataToProcess - 1);
}
}
// Update ParamDataIndexInfo value of this DataWriter by getting information of the preceding parameter
// (parameter->paramInterval->dataWriter->paramData->ParamDataIndexInfo)
_paramData->getIndexInfo()._timeIntToProcessChanged = lParamDataIndexInfo._timeIntToProcessChanged;
// Reset operation to prepare static data for the next TimeInterval.
if (lParamDataIndexInfo._timeIntToProcessChanged) {
_paramData->getIndexInfo()._endTimeIntIndexList.push_back(_paramData->getDataNumber());
_operation->reset();
}
// There is no more time interval to process
else if (!lParamDataIndexInfo._timeIntToProcessChanged && lParamDataIndexInfo._nbDataToProcess == 0) {
_paramData->getIndexInfo()._endTimeIntIndexList.push_back(_paramData->getDataNumber());
} else {
// Nothing to do.
}
return _paramData->getDataNumber() - nbDataBeforeCallProcess;
}
} /* namespace Parameters */
} /* namespace AMDA */