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#include "CosinusProvider.h"
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#include "MockDefs.h"
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#include <Data/DataProviderParameters.h>
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#include <Data/ScalarSeries.h>
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#include <Data/SpectrogramSeries.h>
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#include <Data/VectorSeries.h>
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#include <cmath>
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#include <QFuture>
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#include <QThread>
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#include <QtConcurrent/QtConcurrent>
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Q_LOGGING_CATEGORY(LOG_CosinusProvider, "CosinusProvider")
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namespace {
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/// Number of bands generated for a spectrogram
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const auto SPECTROGRAM_NUMBER_BANDS = 30;
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/// Abstract cosinus type
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struct ICosinusType {
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virtual ~ICosinusType() = default;
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/// @return the number of components generated for the type
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virtual int componentCount() const = 0;
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/// @return the data series created for the type
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virtual std::shared_ptr<IDataSeries> createDataSeries(std::vector<double> xAxisData,
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std::vector<double> valuesData) const = 0;
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/// Generates values (one value per component)
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/// @param x the x-axis data used to generate values
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/// @param values the vector in which to insert the generated values
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/// @param dataIndex the index of insertion of the generated values
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///
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virtual void generateValues(double x, std::vector<double> &values, int dataIndex) const = 0;
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};
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struct ScalarCosinus : public ICosinusType {
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int componentCount() const override { return 1; }
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std::shared_ptr<IDataSeries> createDataSeries(std::vector<double> xAxisData,
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std::vector<double> valuesData) const override
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{
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return std::make_shared<ScalarSeries>(std::move(xAxisData), std::move(valuesData),
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Unit{QStringLiteral("t"), true}, Unit{});
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}
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void generateValues(double x, std::vector<double> &values, int dataIndex) const override
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{
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values[dataIndex] = std::cos(x);
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}
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};
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struct SpectrogramCosinus : public ICosinusType {
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/// Ctor with y-axis
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explicit SpectrogramCosinus(std::vector<double> yAxisData, Unit yAxisUnit, Unit valuesUnit)
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: m_YAxisData{std::move(yAxisData)},
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m_YAxisUnit{std::move(yAxisUnit)},
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m_ValuesUnit{std::move(valuesUnit)}
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{
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}
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int componentCount() const override { return m_YAxisData.size(); }
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std::shared_ptr<IDataSeries> createDataSeries(std::vector<double> xAxisData,
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std::vector<double> valuesData) const override
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{
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return std::make_shared<SpectrogramSeries>(
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std::move(xAxisData), m_YAxisData, std::move(valuesData),
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Unit{QStringLiteral("t"), true}, m_YAxisUnit, m_ValuesUnit);
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}
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void generateValues(double x, std::vector<double> &values, int dataIndex) const override
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{
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auto componentCount = this->componentCount();
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for (int i = 0; i < componentCount; ++i) {
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auto y = m_YAxisData[i];
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auto r = 3 * std::sqrt(x * x + y * y) + 1e-2;
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auto value = 2 * x * (std::cos(r + 2) / r - std::sin(r + 2) / r);
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values[componentCount * dataIndex + i] = value;
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}
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}
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std::vector<double> m_YAxisData;
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Unit m_YAxisUnit;
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Unit m_ValuesUnit;
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};
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struct VectorCosinus : public ICosinusType {
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int componentCount() const override { return 3; }
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std::shared_ptr<IDataSeries> createDataSeries(std::vector<double> xAxisData,
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std::vector<double> valuesData) const override
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{
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return std::make_shared<VectorSeries>(std::move(xAxisData), std::move(valuesData),
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Unit{QStringLiteral("t"), true}, Unit{});
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}
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void generateValues(double x, std::vector<double> &values, int dataIndex) const override
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{
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// Generates value for each component: cos(x), cos(x)/2, cos(x)/3
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auto xValue = std::cos(x);
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auto componentCount = this->componentCount();
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for (auto i = 0; i < componentCount; ++i) {
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values[componentCount * dataIndex + i] = xValue / (i + 1);
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}
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}
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};
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/// Converts string to cosinus type
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/// @return the cosinus type if the string could be converted, nullptr otherwise
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std::unique_ptr<ICosinusType> cosinusType(const QString &type) noexcept
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{
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if (type.compare(QStringLiteral("scalar"), Qt::CaseInsensitive) == 0) {
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return std::make_unique<ScalarCosinus>();
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}
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else if (type.compare(QStringLiteral("spectrogram"), Qt::CaseInsensitive) == 0) {
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// Generates default y-axis data for spectrogram [0., 1., 2., ...]
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std::vector<double> yAxisData(SPECTROGRAM_NUMBER_BANDS);
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std::iota(yAxisData.begin(), yAxisData.end(), 0.);
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return std::make_unique<SpectrogramCosinus>(std::move(yAxisData), Unit{"eV"},
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Unit{"eV/(cm^2-s-sr-eV)"});
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}
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else if (type.compare(QStringLiteral("vector"), Qt::CaseInsensitive) == 0) {
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return std::make_unique<VectorCosinus>();
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}
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else {
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return nullptr;
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}
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}
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} // namespace
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std::shared_ptr<IDataProvider> CosinusProvider::clone() const
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{
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// No copy is made in clone
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return std::make_shared<CosinusProvider>();
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}
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std::shared_ptr<IDataSeries> CosinusProvider::retrieveData(QUuid acqIdentifier,
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const SqpRange &dataRangeRequested,
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const QVariantHash &data)
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{
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// TODO: Add Mutex
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auto dataIndex = 0;
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// Retrieves cosinus type
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auto typeVariant = data.value(COSINUS_TYPE_KEY, COSINUS_TYPE_DEFAULT_VALUE);
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if (!typeVariant.canConvert<QString>()) {
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qCCritical(LOG_CosinusProvider()) << tr("Can't retrieve data: invalid type");
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return nullptr;
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}
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auto type = cosinusType(typeVariant.toString());
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if (!type) {
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qCCritical(LOG_CosinusProvider()) << tr("Can't retrieve data: unknown type");
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return nullptr;
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}
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// Retrieves frequency
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auto freqVariant = data.value(COSINUS_FREQUENCY_KEY, COSINUS_FREQUENCY_DEFAULT_VALUE);
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if (!freqVariant.canConvert<double>()) {
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qCCritical(LOG_CosinusProvider()) << tr("Can't retrieve data: invalid frequency");
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return nullptr;
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}
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// Gets the timerange from the parameters
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double freq = freqVariant.toDouble();
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double start = std::ceil(dataRangeRequested.m_TStart * freq);
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double end = std::floor(dataRangeRequested.m_TEnd * freq);
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// We assure that timerange is valid
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if (end < start) {
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std::swap(start, end);
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}
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// Generates scalar series containing cosinus values (one value per second, end value is
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// included)
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auto dataCount = end - start + 1;
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// Number of components (depending on the cosinus type)
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auto componentCount = type->componentCount();
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auto xAxisData = std::vector<double>{};
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xAxisData.resize(dataCount);
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auto valuesData = std::vector<double>{};
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valuesData.resize(dataCount * componentCount);
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int progress = 0;
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auto progressEnd = dataCount;
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for (auto time = start; time <= end; ++time, ++dataIndex) {
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auto it = m_VariableToEnableProvider.find(acqIdentifier);
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if (it != m_VariableToEnableProvider.end() && it.value()) {
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const auto x = time / freq;
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xAxisData[dataIndex] = x;
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// Generates values (depending on the type)
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type->generateValues(x, valuesData, dataIndex);
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// progression
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int currentProgress = (time - start) * 100.0 / progressEnd;
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if (currentProgress != progress) {
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progress = currentProgress;
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emit dataProvidedProgress(acqIdentifier, progress);
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qCDebug(LOG_CosinusProvider()) << "TORM: CosinusProvider::retrieveData"
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<< QThread::currentThread()->objectName()
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<< progress;
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// NOTE: Try to use multithread if possible
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}
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}
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else {
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if (!it.value()) {
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qCDebug(LOG_CosinusProvider())
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<< "CosinusProvider::retrieveData: ARRET De l'acquisition detecté"
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<< end - time;
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}
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}
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}
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if (progress != 100) {
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// We can close progression beacause all data has been retrieved
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emit dataProvidedProgress(acqIdentifier, 100);
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}
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return type->createDataSeries(std::move(xAxisData), std::move(valuesData));
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}
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void CosinusProvider::requestDataLoading(QUuid acqIdentifier,
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const DataProviderParameters ¶meters)
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{
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// TODO: Add Mutex
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m_VariableToEnableProvider[acqIdentifier] = true;
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qCDebug(LOG_CosinusProvider()) << "TORM: CosinusProvider::requestDataLoading"
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<< QThread::currentThread()->objectName();
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// NOTE: Try to use multithread if possible
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const auto times = parameters.m_Times;
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for (const auto &dateTime : qAsConst(times)) {
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if (m_VariableToEnableProvider[acqIdentifier]) {
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auto scalarSeries = this->retrieveData(acqIdentifier, dateTime, parameters.m_Data);
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emit dataProvided(acqIdentifier, scalarSeries, dateTime);
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}
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}
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}
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void CosinusProvider::requestDataAborting(QUuid acqIdentifier)
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{
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qCDebug(LOG_CosinusProvider()) << "CosinusProvider::requestDataAborting" << acqIdentifier
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<< QThread::currentThread()->objectName();
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auto it = m_VariableToEnableProvider.find(acqIdentifier);
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if (it != m_VariableToEnableProvider.end()) {
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it.value() = false;
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}
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else {
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qCDebug(LOG_CosinusProvider())
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<< tr("Aborting progression of inexistant identifier detected !!!");
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}
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}
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std::shared_ptr<IDataSeries> CosinusProvider::provideDataSeries(const SqpRange &dataRangeRequested,
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const QVariantHash &data)
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{
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auto uid = QUuid::createUuid();
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m_VariableToEnableProvider[uid] = true;
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auto dataSeries = this->retrieveData(uid, dataRangeRequested, data);
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m_VariableToEnableProvider.remove(uid);
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return dataSeries;
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}
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