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1 | #ifndef SCIQLOP_VARIABLECACHESTRATEGY_H | |
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2 | #define SCIQLOP_VARIABLECACHESTRATEGY_H | |
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3 | ||
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4 | #include "CoreGlobal.h" | |
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5 | ||
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6 | #include <QLoggingCategory> | |
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7 | #include <QObject> | |
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8 | ||
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9 | #include <Data/SqpRange.h> | |
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10 | ||
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11 | #include <QLoggingCategory> | |
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12 | ||
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13 | #include <Common/spimpl.h> | |
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14 | #include <utility> | |
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15 | ||
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16 | ||
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17 | Q_DECLARE_LOGGING_CATEGORY(LOG_VariableCacheStrategy) | |
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18 | ||
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19 | class Variable; | |
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20 | ||
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21 | /** | |
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22 | * Possible types of zoom operation | |
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23 | */ | |
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24 | enum class CacheStrategy { FixedTolerance, TwoThreashold }; | |
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25 | ||
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26 | /// This class aims to hande the cache strategy. | |
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27 | class SCIQLOP_CORE_EXPORT VariableCacheStrategy : public QObject { | |
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28 | Q_OBJECT | |
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29 | public: | |
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30 | explicit VariableCacheStrategy(QObject *parent = 0); | |
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31 | ||
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32 | std::pair<SqpRange, SqpRange> computeCacheRange(const SqpRange &vRange, | |
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33 | const SqpRange &rangeRequested); | |
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34 | ||
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35 | private: | |
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36 | class VariableCacheStrategyPrivate; | |
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37 | spimpl::unique_impl_ptr<VariableCacheStrategyPrivate> impl; | |
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38 | }; | |
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39 | ||
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40 | #endif // SCIQLOP_VARIABLECACHESTRATEGY_H | |
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1 | #include "Variable/VariableCacheStrategy.h" | |
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2 | ||
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3 | #include "Settings/SqpSettingsDefs.h" | |
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4 | ||
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5 | #include "Variable/Variable.h" | |
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6 | #include "Variable/VariableController.h" | |
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7 | ||
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8 | Q_LOGGING_CATEGORY(LOG_VariableCacheStrategy, "VariableCacheStrategy") | |
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9 | ||
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10 | struct VariableCacheStrategy::VariableCacheStrategyPrivate { | |
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11 | VariableCacheStrategyPrivate() : m_CacheStrategy{CacheStrategy::FixedTolerance} {} | |
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12 | ||
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13 | CacheStrategy m_CacheStrategy; | |
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14 | }; | |
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15 | ||
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16 | ||
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17 | VariableCacheStrategy::VariableCacheStrategy(QObject *parent) | |
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18 | : QObject{parent}, impl{spimpl::make_unique_impl<VariableCacheStrategyPrivate>()} | |
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19 | { | |
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20 | } | |
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21 | ||
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22 | std::pair<SqpRange, SqpRange> | |
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23 | VariableCacheStrategy::computeCacheRange(const SqpRange &vRange, const SqpRange &rangeRequested) | |
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24 | { | |
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25 | ||
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26 | auto varRanges = std::pair<SqpRange, SqpRange>{}; | |
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27 | ||
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28 | auto toleranceFactor = SqpSettings::toleranceValue(GENERAL_TOLERANCE_AT_UPDATE_KEY, | |
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29 | GENERAL_TOLERANCE_AT_UPDATE_DEFAULT_VALUE); | |
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30 | auto tolerance = toleranceFactor * (rangeRequested.m_TEnd - rangeRequested.m_TStart); | |
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31 | ||
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32 | switch (impl->m_CacheStrategy) { | |
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33 | case CacheStrategy::FixedTolerance: { | |
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34 | varRanges.first = rangeRequested; | |
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35 | varRanges.second | |
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36 | = SqpRange{rangeRequested.m_TStart - tolerance, rangeRequested.m_TEnd + tolerance}; | |
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37 | break; | |
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38 | } | |
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39 | ||
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40 | case CacheStrategy::TwoThreashold: { | |
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41 | // TODO Implement | |
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42 | break; | |
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43 | } | |
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44 | default: | |
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45 | qCCritical(LOG_VariableCacheStrategy()) | |
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46 | << tr("Impossible to use compute the cache range with an unknow cache strategy"); | |
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47 | // No action | |
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48 | break; | |
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49 | } | |
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50 | ||
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51 | return varRanges; | |
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52 | } | |
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