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Generates vectors (4)...
Generates vectors (4) Handles types when generating data

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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 !!!");
}
}