MultiParamProcess.cc
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/*
* MultiParamProcess.cc
*
* Created on: Jan 4, 2013
* Author: f.casimir
*/
#include <algorithm>
#include <limits>
#include "ParamData.hh"
#include "Operation.hh"
#include "ParamMgr.hh"
#include "MultiParamProcess.hh"
namespace AMDA {
namespace Parameters {
MultiParamProcess::MultiParamProcess(Parameter ¶meter) :
Process(parameter), _minSampling(std::numeric_limits<double>::max()) {
}
MultiParamProcess::MultiParamProcess(const MultiParamProcess &pProcess, Parameter ¶meter) :
Process(pProcess,parameter),
_paramNameList(pProcess._paramNameList),
_minSampling(pProcess._minSampling) {
}
MultiParamProcess::~MultiParamProcess() {
for (ParameterList::iterator it = _paramNameList.begin(); it != _paramNameList.end(); ++it) {
ParameterSPtr& parameter = it->second.first;
if ( parameter) { parameter->closeConnection(this); }
}
}
/**
* @brief Connection to Parameter server.
*/
void MultiParamProcess::establishConnection() {
for (ParameterList::iterator it = _paramNameList.begin(); it != _paramNameList.end(); ++it) {
ParameterSPtr& parameter = it->second.first;
parameter->openConnection(this);
}
}
TimeStamp MultiParamProcess::init() {
TimeStamp time = 0;
for (ParameterList::iterator it = _paramNameList.begin(); it != _paramNameList.end(); ++it) {
ParameterSPtr& parameter = it->second.first;
time = std::max(time, parameter->init(this, _timeIntervalList));
Parameter::InfoList lInfoList = parameter->getInfoList();
_parameter.getInfoList().insert(lInfoList.begin(), lInfoList.end());
_minSampling = std::min(parameter->getParamData(this)->getMinSampling(), _minSampling);
}
return time;
}
unsigned int MultiParamProcess::write() {
typedef std::list<std::pair< ParameterList::iterator,boost::shared_future<ParamDataIndexInfo> > > ParamDataIndexInfoFutureList;
ParamDataIndexInfoFutureList lResultList;
unsigned int lNbTotalAvalaible = 0;
for (ParameterList::iterator itParam = _paramNameList.begin(); itParam != _paramNameList.end(); ++itParam) {
if (itParam->second.second._timeIntToProcessChanged && !_paramDataIndexInfo._timeIntToProcessChanged)
continue;
lNbTotalAvalaible = itParam->second.second._startIndex + itParam->second.second._nbDataToProcess;
if ( _paramDataIndexInfo._startIndex >= lNbTotalAvalaible)
{
LOG4CXX_DEBUG(_logger, "Need more data Parameter name: " << itParam->first );
lResultList.push_back(make_pair(itParam,(*itParam->second.first).getAsync(this)));
}
}
// Wait data
for ( ParamDataIndexInfoFutureList::iterator it= lResultList.begin();it != lResultList.end(); ++it) {
LOG4CXX_DEBUG(_logger, "Wait data Parameter name: " << it->first->first );
it->first->second.second=it->second.get();
}
//compute minimum data available
ParameterList::iterator it = _paramNameList.begin();
if( it != _paramNameList.end()) {
ParamDataIndexInfo &lParamDataIndexInfoTmp= (*it).second.second;
LOG4CXX_DEBUG(_logger, "Parameter name: " << it->first << " Index: " << lParamDataIndexInfoTmp._startIndex <<" nbDataToProcess " << lParamDataIndexInfoTmp._nbDataToProcess);
lNbTotalAvalaible = lParamDataIndexInfoTmp._nbDataToProcess + lParamDataIndexInfoTmp._startIndex ;
++it;
for ( ;it != _paramNameList.end(); ++it) {
ParamDataIndexInfo &lParamDataIndexInfoTmp= (*it).second.second;
LOG4CXX_DEBUG(_logger, "Parameter name: " << it->first << " Index: " << lParamDataIndexInfoTmp._startIndex <<" nbDataToProcess " << lParamDataIndexInfoTmp._nbDataToProcess);
lNbTotalAvalaible =std::min(lNbTotalAvalaible, lParamDataIndexInfoTmp._nbDataToProcess + lParamDataIndexInfoTmp._startIndex) ;
}
}
_paramDataIndexInfo._nbDataToProcess = lNbTotalAvalaible - _paramDataIndexInfo._startIndex;
_operation->write(_paramDataIndexInfo);
_paramDataIndexInfo._startIndex +=_paramDataIndexInfo._nbDataToProcess ;
// Reset operation instance to prepare it for the next time interval.
bool lTimeIntToProcessChanged = true;
for (ParameterList::iterator itParam = _paramNameList.begin(); itParam != _paramNameList.end(); ++itParam)
lTimeIntToProcessChanged &= itParam->second.second._timeIntToProcessChanged;
if(lTimeIntToProcessChanged) {
LOG4CXX_DEBUG(_logger, "MultiParamProcess => Need to change interval");
_operation->reset();
_paramDataIndexInfo._endTimeIntIndexList.push_back(lNbTotalAvalaible);
_paramData->getIndexInfo()._endTimeIntIndexList.push_back(lNbTotalAvalaible);
}
// There is no more time interval to process
else if (!lTimeIntToProcessChanged && _paramDataIndexInfo._nbDataToProcess == 0) {
_paramDataIndexInfo._endTimeIntIndexList.push_back(lNbTotalAvalaible);
_paramData->getIndexInfo()._endTimeIntIndexList.push_back(lNbTotalAvalaible);
LOG4CXX_DEBUG(_logger, "MultiParamProcess => No more time interval to process; end index for this interval is " << _paramDataIndexInfo._endTimeIntIndexList.back());
} else {
// Nothing to do.
}
_paramDataIndexInfo._timeIntToProcessChanged = lTimeIntToProcessChanged;
_paramData->getIndexInfo()._timeIntToProcessChanged = lTimeIntToProcessChanged;
return _paramDataIndexInfo._nbDataToProcess;
}
/*
* @brief @ to know the resampling strategy to use. If it's true, the nearest value will be use
*/
bool MultiParamProcess::useNearestValue()
{
bool useNearestValue = true;
for (ParameterList::iterator it = _paramNameList.begin(); it != _paramNameList.end(); ++it)
{
ParameterSPtr& parameter = it->second.first;
useNearestValue = useNearestValue && parameter->getDataWriterTemplate()->useNearestValue();
}
return useNearestValue;
}
/**
* @brief update parameter info in relation to the process
*/
void MultiParamProcess::updateInfo(Parameter & parameter)
{
LOG4CXX_DEBUG(_logger, "MultiParamProcess::updateInfo - " << parameter.getId());
if (parameter.getInfoId().empty())
parameter.setInfoId(parameter.getId());
//Param info
AMDA::Info::ParamInfoSPtr paramInfo = AMDA::Info::ParamMgr::getInstance()->getParamInfoFromId(parameter.getInfoId(),true);
if (paramInfo == nullptr)
return;
//Derived parameter => no comes from a dataset
paramInfo->setDatasetId("");
//set name and short name = param id
if (paramInfo->getName().empty())
paramInfo->setName(parameter.getId());
if (paramInfo->getShortName().empty())
paramInfo->setShortName(parameter.getId());
std::string processInfo = "Derived parameter from expression '";
processInfo += getExpression();
processInfo += "'";
for (ParameterList::iterator itParam = _paramNameList.begin(); itParam != _paramNameList.end(); ++itParam)
paramInfo->addLinkedParamId(itParam->first);
paramInfo->setProcessInfo(processInfo);
paramInfo->setProcessDescription(getDescription());
}
/*
* @brief Get min sampling
*/
double MultiParamProcess::getMinSampling()
{
double minSampling = 0;
for (auto param : _paramNameList)
{
ParameterSPtr& parameter = param.second.first;
double paramMinSampling = 0;
if (parameter->getTimeResolution() > 0)
paramMinSampling = parameter->getTimeResolution();
else if (parameter->getDataWriterTemplate() != nullptr)
paramMinSampling = parameter->getDataWriterTemplate()->getMinSampling();
if (minSampling == 0)
minSampling = paramMinSampling;
else if (paramMinSampling != 0)
minSampling = std::min(minSampling,paramMinSampling);
}
return minSampling;
}
} /* namespace Parameters */
} /* namespace AMDA */