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Update Variable impl for v5
Update Variable impl for v5

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DataSeries.h
180 lines | 5.8 KiB | text/x-c | CLexer
#ifndef SCIQLOP_DATASERIES_H
#define SCIQLOP_DATASERIES_H
#include <Common/SortUtils.h>
#include <Data/ArrayData.h>
#include <Data/IDataSeries.h>
#include <QLoggingCategory>
#include <QReadLocker>
#include <QReadWriteLock>
#include <memory>
Q_DECLARE_LOGGING_CATEGORY(LOG_DataSeries)
Q_LOGGING_CATEGORY(LOG_DataSeries, "DataSeries")
/**
* @brief The DataSeries class is the base (abstract) implementation of IDataSeries.
*
* It proposes to set a dimension for the values ​​data.
*
* A DataSeries is always sorted on its x-axis data.
*
* @tparam Dim The dimension of the values data
*
*/
template <int Dim>
class DataSeries : public IDataSeries {
public:
/// @sa IDataSeries::xAxisData()
std::shared_ptr<ArrayData<1> > xAxisData() override { return m_XAxisData; }
const std::shared_ptr<ArrayData<1> > xAxisData() const { return m_XAxisData; }
/// @sa IDataSeries::xAxisUnit()
Unit xAxisUnit() const override { return m_XAxisUnit; }
/// @return the values dataset
std::shared_ptr<ArrayData<Dim> > valuesData() { return m_ValuesData; }
const std::shared_ptr<ArrayData<Dim> > valuesData() const { return m_ValuesData; }
/// @sa IDataSeries::valuesUnit()
Unit valuesUnit() const override { return m_ValuesUnit; }
void clear()
{
m_XAxisData->clear();
m_ValuesData->clear();
}
/// Merges into the data series an other data series
/// @remarks the data series to merge with is cleared after the operation
void merge(IDataSeries *dataSeries) override
{
dataSeries->lockWrite();
lockWrite();
if (auto other = dynamic_cast<DataSeries<Dim> *>(dataSeries)) {
const auto &otherXAxisData = other->xAxisData()->cdata();
const auto &xAxisData = m_XAxisData->cdata();
// As data series are sorted, we can improve performances of merge, by call the sort
// method only if the two data series overlap.
if (!otherXAxisData.empty()) {
auto firstValue = otherXAxisData.front();
auto lastValue = otherXAxisData.back();
auto xAxisDataBegin = xAxisData.cbegin();
auto xAxisDataEnd = xAxisData.cend();
bool prepend;
bool sortNeeded;
if (std::lower_bound(xAxisDataBegin, xAxisDataEnd, firstValue) == xAxisDataEnd) {
// Other data series if after data series
prepend = false;
sortNeeded = false;
}
else if (std::upper_bound(xAxisDataBegin, xAxisDataEnd, lastValue)
== xAxisDataBegin) {
// Other data series if before data series
prepend = true;
sortNeeded = false;
}
else {
// The two data series overlap
prepend = false;
sortNeeded = true;
}
// Makes the merge
m_XAxisData->add(*other->xAxisData(), prepend);
m_ValuesData->add(*other->valuesData(), prepend);
if (sortNeeded) {
sort();
}
}
// Clears the other data series
other->clear();
}
else {
qCWarning(LOG_DataSeries())
<< QObject::tr("Detection of a type of IDataSeries we cannot merge with !");
}
unlock();
dataSeries->unlock();
}
virtual void lockRead() { m_Lock.lockForRead(); }
virtual void lockWrite() { m_Lock.lockForWrite(); }
virtual void unlock() { m_Lock.unlock(); }
protected:
/// Protected ctor (DataSeries is abstract). The vectors must have the same size, otherwise a
/// DataSeries with no values will be created.
/// @remarks data series is automatically sorted on its x-axis data
explicit DataSeries(std::shared_ptr<ArrayData<1> > xAxisData, const Unit &xAxisUnit,
std::shared_ptr<ArrayData<Dim> > valuesData, const Unit &valuesUnit)
: m_XAxisData{xAxisData},
m_XAxisUnit{xAxisUnit},
m_ValuesData{valuesData},
m_ValuesUnit{valuesUnit}
{
if (m_XAxisData->size() != m_ValuesData->size()) {
clear();
}
// Sorts data if it's not the case
const auto &xAxisCData = m_XAxisData->cdata();
if (!std::is_sorted(xAxisCData.cbegin(), xAxisCData.cend())) {
sort();
}
}
/// Copy ctor
explicit DataSeries(const DataSeries<Dim> &other)
: m_XAxisData{std::make_shared<ArrayData<1> >(*other.m_XAxisData)},
m_XAxisUnit{other.m_XAxisUnit},
m_ValuesData{std::make_shared<ArrayData<Dim> >(*other.m_ValuesData)},
m_ValuesUnit{other.m_ValuesUnit}
{
// Since a series is ordered from its construction and is always ordered, it is not
// necessary to call the sort method here ('other' is sorted)
}
/// Assignment operator
template <int D>
DataSeries &operator=(DataSeries<D> other)
{
std::swap(m_XAxisData, other.m_XAxisData);
std::swap(m_XAxisUnit, other.m_XAxisUnit);
std::swap(m_ValuesData, other.m_ValuesData);
std::swap(m_ValuesUnit, other.m_ValuesUnit);
return *this;
}
private:
/**
* Sorts data series on its x-axis data
*/
void sort() noexcept
{
auto permutation = SortUtils::sortPermutation(*m_XAxisData, std::less<double>());
m_XAxisData = m_XAxisData->sort(permutation);
m_ValuesData = m_ValuesData->sort(permutation);
}
std::shared_ptr<ArrayData<1> > m_XAxisData;
Unit m_XAxisUnit;
std::shared_ptr<ArrayData<Dim> > m_ValuesData;
Unit m_ValuesUnit;
QReadWriteLock m_Lock;
};
#endif // SCIQLOP_DATASERIES_H