##// END OF EJS Templates
Next var request parameter is now based on previous request instead of...
Next var request parameter is now based on previous request instead of initial variable parameter

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CosinusProvider.cpp
201 lines | 7.5 KiB | text/x-c | CppLexer
#include "CosinusProvider.h"
#include "MockDefs.h"
#include <Data/DataProviderParameters.h>
#include <Data/ScalarSeries.h>
#include <Data/VectorSeries.h>
#include <cmath>
#include <QFuture>
#include <QThread>
#include <QtConcurrent/QtConcurrent>
Q_LOGGING_CATEGORY(LOG_CosinusProvider, "CosinusProvider")
namespace {
/// Abstract cosinus type
struct ICosinusType {
virtual ~ICosinusType() = default;
/// @return the number of components generated for the type
virtual int componentCount() const = 0;
/// @return the data series created for the type
virtual std::shared_ptr<IDataSeries> createDataSeries(std::vector<double> xAxisData,
std::vector<double> valuesData,
Unit xAxisUnit,
Unit valuesUnit) const = 0;
};
struct ScalarCosinus : public ICosinusType {
int componentCount() const override { return 1; }
std::shared_ptr<IDataSeries> createDataSeries(std::vector<double> xAxisData,
std::vector<double> valuesData, Unit xAxisUnit,
Unit valuesUnit) const override
{
return std::make_shared<ScalarSeries>(std::move(xAxisData), std::move(valuesData),
xAxisUnit, valuesUnit);
}
};
struct VectorCosinus : public ICosinusType {
int componentCount() const override { return 3; }
std::shared_ptr<IDataSeries> createDataSeries(std::vector<double> xAxisData,
std::vector<double> valuesData, Unit xAxisUnit,
Unit valuesUnit) const override
{
return std::make_shared<VectorSeries>(std::move(xAxisData), std::move(valuesData),
xAxisUnit, valuesUnit);
}
};
/// Converts string to cosinus type
/// @return the cosinus type if the string could be converted, nullptr otherwise
std::unique_ptr<ICosinusType> cosinusType(const QString &type) noexcept
{
if (type.compare(QStringLiteral("scalar"), Qt::CaseInsensitive) == 0) {
return std::make_unique<ScalarCosinus>();
}
else if (type.compare(QStringLiteral("vector"), Qt::CaseInsensitive) == 0) {
return std::make_unique<VectorCosinus>();
}
else {
return nullptr;
}
}
} // namespace
std::shared_ptr<IDataProvider> CosinusProvider::clone() const
{
// No copy is made in clone
return std::make_shared<CosinusProvider>();
}
std::shared_ptr<IDataSeries> CosinusProvider::retrieveData(QUuid acqIdentifier,
const SqpRange &dataRangeRequested,
const QVariantHash &data)
{
// TODO: Add Mutex
auto dataIndex = 0;
// Retrieves cosinus type
auto typeVariant = data.value(COSINUS_TYPE_KEY, COSINUS_TYPE_DEFAULT_VALUE);
if (!typeVariant.canConvert<QString>()) {
qCCritical(LOG_CosinusProvider()) << tr("Can't retrieve data: invalid type");
return nullptr;
}
auto type = cosinusType(typeVariant.toString());
if (!type) {
qCCritical(LOG_CosinusProvider()) << tr("Can't retrieve data: unknown type");
return nullptr;
}
// Retrieves frequency
auto freqVariant = data.value(COSINUS_FREQUENCY_KEY, COSINUS_FREQUENCY_DEFAULT_VALUE);
if (!freqVariant.canConvert<double>()) {
qCCritical(LOG_CosinusProvider()) << tr("Can't retrieve data: invalid frequency");
return nullptr;
}
// Gets the timerange from the parameters
double freq = freqVariant.toDouble();
double start = std::ceil(dataRangeRequested.m_TStart * freq);
double end = std::floor(dataRangeRequested.m_TEnd * freq);
// We assure that timerange is valid
if (end < start) {
std::swap(start, end);
}
// Generates scalar series containing cosinus values (one value per second, end value is
// included)
auto dataCount = end - start + 1;
// Number of components (depending on the cosinus type)
auto componentCount = type->componentCount();
auto xAxisData = std::vector<double>{};
xAxisData.resize(dataCount);
auto valuesData = std::vector<double>{};
valuesData.resize(dataCount * componentCount);
int progress = 0;
auto progressEnd = dataCount;
for (auto time = start; time <= end; ++time, ++dataIndex) {
auto it = m_VariableToEnableProvider.find(acqIdentifier);
if (it != m_VariableToEnableProvider.end() && it.value()) {
const auto timeOnFreq = time / freq;
xAxisData[dataIndex] = timeOnFreq;
// Generates all components' values
// Example: for a vector, values will be : cos(x), cos(x)/2, cos(x)/3
auto value = std::cos(timeOnFreq);
for (auto i = 0; i < componentCount; ++i) {
valuesData[componentCount * dataIndex + i] = value / (i + 1);
}
// progression
int currentProgress = (time - start) * 100.0 / progressEnd;
if (currentProgress != progress) {
progress = currentProgress;
emit dataProvidedProgress(acqIdentifier, progress);
qCInfo(LOG_CosinusProvider()) << "TORM: CosinusProvider::retrieveData"
<< QThread::currentThread()->objectName() << progress;
// NOTE: Try to use multithread if possible
}
}
else {
if (!it.value()) {
qCDebug(LOG_CosinusProvider())
<< "CosinusProvider::retrieveData: ARRET De l'acquisition detecté"
<< end - time;
}
}
}
if (progress != 100) {
// We can close progression beacause all data has been retrieved
emit dataProvidedProgress(acqIdentifier, 100);
}
return type->createDataSeries(std::move(xAxisData), std::move(valuesData),
Unit{QStringLiteral("t"), true}, Unit{});
}
void CosinusProvider::requestDataLoading(QUuid acqIdentifier,
const DataProviderParameters &parameters)
{
// TODO: Add Mutex
m_VariableToEnableProvider[acqIdentifier] = true;
qCDebug(LOG_CosinusProvider()) << "TORM: CosinusProvider::requestDataLoading"
<< QThread::currentThread()->objectName();
// NOTE: Try to use multithread if possible
const auto times = parameters.m_Times;
for (const auto &dateTime : qAsConst(times)) {
if (m_VariableToEnableProvider[acqIdentifier]) {
auto scalarSeries = this->retrieveData(acqIdentifier, dateTime, parameters.m_Data);
qCDebug(LOG_CosinusProvider()) << "TORM: CosinusProvider::dataProvided";
emit dataProvided(acqIdentifier, scalarSeries, dateTime);
}
}
}
void CosinusProvider::requestDataAborting(QUuid acqIdentifier)
{
// TODO: Add Mutex
qCDebug(LOG_CosinusProvider()) << "CosinusProvider::requestDataAborting" << acqIdentifier
<< QThread::currentThread()->objectName();
auto it = m_VariableToEnableProvider.find(acqIdentifier);
if (it != m_VariableToEnableProvider.end()) {
it.value() = false;
}
else {
qCWarning(LOG_CosinusProvider())
<< tr("Aborting progression of inexistant identifier detected !!!");
}
}