nymea-experience-plugin-energy/plugin/energymanagerimpl.h

108 lines
3.8 KiB
C++

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#ifndef ENERGYMANAGERIMPL_H
#define ENERGYMANAGERIMPL_H
#include <QObject>
#include <QHash>
#include <QTimer>
#include <integrations/thingmanager.h>
#include "energymanager.h"
class EnergyLogger;
class EnergyManagerImpl : public EnergyManager
{
Q_OBJECT
public:
explicit EnergyManagerImpl(ThingManager *thingManager, QObject *parent = nullptr);
Thing *rootMeter() const override;
EnergyError setRootMeter(const ThingId &rootMeterId) override;
double currentPowerConsumption() const override;
double currentPowerProduction() const override;
double currentPowerAcquisition() const override;
double currentPowerStorage() const override;
double totalConsumption() const override;
double totalProduction() const override;
double totalAcquisition() const override;
double totalReturn() const override;
EnergyLogs *logs() const override;
private:
void watchThing(Thing *thing);
void unwatchThing(const ThingId &thingId);
void updatePowerBalance();
void updateThingPower(Thing *thing);
private slots:
void logDumpConsumers();
private:
ThingManager *m_thingManager = nullptr;
Thing *m_rootMeter = nullptr;
QTimer m_balanceUpdateTimer;
double m_currentPowerConsumption = 0;
double m_currentPowerProduction = 0;
double m_currentPowerAcquisition = 0;
double m_currentPowerStorage = 0;
double m_totalConsumption = 0;
double m_totalProduction = 0;
double m_totalAcquisition = 0;
double m_totalReturn = 0;
EnergyLogger *m_logger = nullptr;
// Caching some values so we don't have to look them up on the DB all the time:
// We use different caches for power balance and thing logs because they are calculated independently
// and one must not update the others cache for the diffs to be correct
// For things totals we need to cache 2 values:
// The last thing state values we've processed
QHash<Thing *, double> m_powerBalanceTotalEnergyConsumedCache;
QHash<Thing *, double> m_powerBalanceTotalEnergyProducedCache;
// - The last thing state value we've read and processed
// - The last entry in our internal counters we've processed and logged
// QHash<Thing *, Pair<thingStateValue, internalValue>>
QHash<Thing *, QPair<double, double>> m_thingsTotalEnergyConsumedCache;
QHash<Thing *, QPair<double, double>> m_thingsTotalEnergyProducedCache;
};
#endif // ENERGYMANAGERIMPL_H