##// END OF EJS Templates
Updates UI to not call the sort method when update graphs, as data series are already sorted
Updates UI to not call the sort method when update graphs, as data series are already sorted

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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