GIT_REPOSITORIES/LPP/Users/mperrinel/SciQLop-fork Commit - r231:14679d402ab7

The cosinus provider can now handle data request

perrinel -

r231:14679d402ab7

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r231:14679d402ab7

plugins/mockplugin/include/CosinusProvider.h +10 0

             #ifndef SCIQLOP_COSINUSPROVIDER_H
             #define SCIQLOP_COSINUSPROVIDER_H
             #include <Data/IDataProvider.h>
+            #include <QLoggingCategory>
+            Q_DECLARE_LOGGING_CATEGORY(LOG_CosinusProvider)
             /**
              * @brief The CosinusProvider class is an example of how a data provider can generate data
              */
             class CosinusProvider : public IDataProvider {
             public:
                 /// @sa IDataProvider::retrieveData()
                 std::unique_ptr<IDataSeries>
                 retrieveData(const DataProviderParameters &parameters) const override;
+                void requestDataLoading(const QVector<SqpDateTime> &dateTimeList) override;
+            private:
+                std::shared_ptr<IDataSeries> retrieveDataSeries(const SqpDateTime &dateTime);
             };
             #endif // SCIQLOP_COSINUSPROVIDER_H

plugins/mockplugin/src/CosinusProvider.cpp +39 0

             #include "CosinusProvider.h"
             #include <Data/DataProviderParameters.h>
             #include <Data/ScalarSeries.h>
             #include <cmath>
+            Q_LOGGING_CATEGORY(LOG_CosinusProvider, "CosinusProvider")
             std::unique_ptr<IDataSeries>
             CosinusProvider::retrieveData(const DataProviderParameters &parameters) const
             {
                 auto dateTime = parameters.m_Time;
                 // Gets the timerange from the parameters
                 auto start = dateTime.m_TStart;
                 auto end = dateTime.m_TEnd;
                 // We assure that timerange is valid
                 if (end < start) {
                     std::swap(start, end);
                 }
                 // Generates scalar series containing cosinus values (one value per second)
                 auto scalarSeries
                     = std::make_unique<ScalarSeries>(end - start, Unit{QStringLiteral("t"), true}, Unit{});
                 auto dataIndex = 0;
                 for (auto time = start; time < end; ++time, ++dataIndex) {
                     scalarSeries->setData(dataIndex, time, std::cos(time));
                 }
                 return scalarSeries;
             }
+            void CosinusProvider::requestDataLoading(const QVector<SqpDateTime> &dateTimeList)
+            {
+                // NOTE: Try to use multithread if possible
+                foreach (const auto &dateTime, dateTimeList) {
+                    auto scalarSeries = this->retrieveDataSeries(dateTime);
+                    emit dataProvided(scalarSeries, dateTime);
+                }
+            }
+            std::shared_ptr<IDataSeries> retrieveDataSeries(const SqpDateTime &dateTime)
+            {
+                // Gets the timerange from the parameters
+                auto start = dateTime.m_TStart;
+                auto end = dateTime.m_TEnd;
+                // We assure that timerange is valid
+                if (end < start) {
+                    std::swap(start, end);
+                }
+                // Generates scalar series containing cosinus values (one value per second)
+                auto scalarSeries
+                    = std::make_shared<ScalarSeries>(end - start, Unit{QStringLiteral("t"), true}, Unit{});
+                auto dataIndex = 0;
+                for (auto time = start; time < end; ++time, ++dataIndex) {
+                    scalarSeries->setData(dataIndex, time, std::cos(time));
+                }
+                return scalarSeries;
+            }

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