SingleParamProcess.cc
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/*
* SingleParamProcess.cc
*
* Created on: Feb 6, 2013
* Author: f.casimir
*/
#include "Operation.hh"
#include "ParamData.hh"
#include "SingleParamProcess.hh"
#include "ParameterCreatorFromExpression.hh"
#include "ParamMgr.hh"
namespace AMDA {
namespace Parameters {
SingleParamProcess::SingleParamProcess(Parameter ¶meter) : Process(parameter), _paramInput(NULL), _treatTerminated(false), _expressionParsed(false)
{
}
SingleParamProcess::SingleParamProcess(const SingleParamProcess &pProcess, Parameter ¶meter) :
Process(pProcess,parameter),
_parameterInput(pProcess._parameterInput),
_paramInput(NULL), _treatTerminated(false), _expressionParsed(false) {
//Establish Connection Without Parse
_parameterInput->openConnection(this);
}
SingleParamProcess::~SingleParamProcess() {
}
void SingleParamProcess::parse() {
ParameterCreatorFromExpression creator(_parameter.getParameterManager());
_parameterInput = creator.getOneParameterFromExpression(_parameter,_expression);
}
void SingleParamProcess::establishConnection() {
if (!_expressionParsed)
parse();
_expressionParsed = true;
_parameterInput->openConnection(this);
}
unsigned int SingleParamProcess::write() {
int ret = 0;
unsigned int nbDataBeforeCallProcess = _paramData->getDataNumber();
ParamDataIndexInfo lParamDataIndexInfo;
this->_treatTerminated = false;
lParamDataIndexInfo =_parameterInput->getAsync(this).get();
_operation->write(lParamDataIndexInfo);
ret = _paramData->getDataNumber() - nbDataBeforeCallProcess;
bool updateDims = (nbDataBeforeCallProcess == 0) && (ret > 0);
// 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._noMoreTimeInt) {
_paramData->getIndexInfo()._endTimeIntIndexList.push_back(_paramData->getDataNumber());
} else {
// Nothing to do.
}
// Pull up information on which time interval changed.
_paramData->getIndexInfo()._timeIntToProcessChanged = lParamDataIndexInfo._timeIntToProcessChanged;
_paramData->getIndexInfo()._noMoreTimeInt = lParamDataIndexInfo._noMoreTimeInt;
if (updateDims)
_paramData->updateDims();
return ret;
}
/*
* @brief @ to know the resampling strategy to use. If it's true, the nearest value will be use
*/
bool SingleParamProcess::useNearestValue()
{
return _parameterInput->getDataWriterTemplate()->useNearestValue();
}
/**
* @brief update parameter info in relation to the process
*/
void SingleParamProcess::updateInfo(Parameter & parameter)
{
LOG4CXX_DEBUG(_logger, "SingleParamProcess::updateInfo - " << parameter.getId());
if (parameter.getInfoId().empty())
parameter.setInfoId(parameter.getId());
//just clone param info from input parameter to processed parameter
AMDA::Info::ParamInfoSPtr paramInfo = AMDA::Info::ParamMgr::getInstance()->cloneParamInfoFromId(_parameterInput->getInfoId(), parameter.getInfoId());
if (paramInfo == nullptr)
return;
//Derived parameter => no comes from a dataset
paramInfo->setDatasetId("");
std::string processInfo = "Single param process from '";
processInfo += _parameterInput->getId();
processInfo += "'";
paramInfo->addLinkedParamId(_parameterInput->getId());
paramInfo->setProcessInfo(processInfo);
}
/*
* @brief Get min sampling
*/
double SingleParamProcess::getMinSampling()
{
if (!_expressionParsed)
parse();
_expressionParsed = true;
if (_parameterInput == nullptr)
return 0;
if (_parameterInput->getTimeResolution() > 0)
return _parameterInput->getTimeResolution();
if (_parameterInput->getDataWriterTemplate() == nullptr)
return 0;
return _parameterInput->getDataWriterTemplate()->getMinSampling();
}
} /* namespace Parameters */
} /* namespace AMDA */