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#ifndef SCIQLOP_VARIABLE_H
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#define SCIQLOP_VARIABLE_H
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#include <optional>
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#include <QLoggingCategory>
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#include <QObject>
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#include <QUuid>
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#include <QReadWriteLock>
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#include <QDataStream>
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#include "CoreGlobal.h"
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#include <Data/DataSeriesIterator.h>
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#include <Data/DataSeriesType.h>
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#include <Data/DateTimeRange.h>
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#include <Common/deprecate.h>
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#include <Common/MetaTypes.h>
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#include <Common/spimpl.h>
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Q_DECLARE_LOGGING_CATEGORY(LOG_Variable)
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class IDataSeries;
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class QString;
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/**
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* @brief The Variable class represents a variable in SciQlop.
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*/
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class SCIQLOP_CORE_EXPORT Variable : public QObject {
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Q_OBJECT
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public:
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explicit Variable(const QString &name, const QVariantHash &metadata = {});
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/// Copy ctor
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explicit Variable(const Variable &other);
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std::shared_ptr<Variable> clone() const;
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QString name() const noexcept;
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void setName(const QString &name) noexcept;
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DateTimeRange range() const noexcept;
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void setRange(const DateTimeRange &range, bool notify=false) noexcept;
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DateTimeRange cacheRange() const noexcept;
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void setCacheRange(const DateTimeRange &cacheRange) noexcept;
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/// @return the number of points hold by the variable. The number of points is updated each time
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/// the data series changes
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unsigned int nbPoints() const noexcept;
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/// Returns the real range of the variable, i.e. the min and max x-axis values of the data
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/// series between the range of the variable. The real range is updated each time the variable
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/// range or the data series changed
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/// @return the real range, invalid range if the data series is null or empty
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/// @sa setDataSeries()
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/// @sa setRange()
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std::optional<DateTimeRange> realRange() const noexcept;
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/// @return the data of the variable, nullptr if there is no data
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std::shared_ptr<IDataSeries> dataSeries() const noexcept;
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/// @return the type of data that the variable holds
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DataSeriesType type() const noexcept;
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QVariantHash metadata() const noexcept;
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void updateData(const std::vector<IDataSeries*>& dataSeries,
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const DateTimeRange& newRange, const DateTimeRange& newCacheRange,
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bool notify=true);
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static QByteArray mimeData(const std::vector<std::shared_ptr<Variable> > &variables)
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{
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auto encodedData = QByteArray{};
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QDataStream stream{&encodedData, QIODevice::WriteOnly};
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for (auto &var : variables) {
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stream << var->ID().toByteArray();
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}
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return encodedData;
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}
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static std::vector<QUuid> variablesIDs(QByteArray mimeData)
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{
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std::vector<QUuid> variables;
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QDataStream stream{mimeData};
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QVariantList ids;
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stream >> ids;
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for (const auto& id : ids) {
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variables.emplace_back (id.toByteArray());
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}
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return variables;
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}
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DEPRECATE(
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bool contains(const DateTimeRange &range) const noexcept;
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bool intersect(const DateTimeRange &range) const noexcept;
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bool isInside(const DateTimeRange &range) const noexcept;
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bool cacheContains(const DateTimeRange &range) const noexcept;
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bool cacheIntersect(const DateTimeRange &range) const noexcept;
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bool cacheIsInside(const DateTimeRange &range) const noexcept;
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QVector<DateTimeRange> provideNotInCacheRangeList(const DateTimeRange &range) const noexcept;
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QVector<DateTimeRange> provideInCacheRangeList(const DateTimeRange &range) const noexcept;
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void mergeDataSeries(std::shared_ptr<IDataSeries> dataSeries) noexcept;
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static QVector<DateTimeRange> provideNotInCacheRangeList(const DateTimeRange &oldRange,
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const DateTimeRange &nextRange);
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static QVector<DateTimeRange> provideInCacheRangeList(const DateTimeRange &oldRange,
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const DateTimeRange &nextRange);
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)
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operator QUuid() {return _uuid;}
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QUuid ID(){return _uuid;}
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signals:
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void updated();
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DEPRECATE(
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/// Signal emitted when when the data series of the variable is loaded for the first time
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void dataInitialized();
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)
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private:
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class VariablePrivate;
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spimpl::unique_impl_ptr<VariablePrivate> impl;
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QUuid _uuid;
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QReadWriteLock m_lock;
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};
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// Required for using shared_ptr in signals/slots
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SCIQLOP_REGISTER_META_TYPE(VARIABLE_PTR_REGISTRY, std::shared_ptr<Variable>)
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SCIQLOP_REGISTER_META_TYPE(VARIABLE_PTR_VECTOR_REGISTRY, QVector<std::shared_ptr<Variable> >)
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#endif // SCIQLOP_VARIABLE_H
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