TimeFeature.h

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#ifndef _TIMEFEATURE_H
#define _TIMEFEATURE_H

#include "../Feature.h"

class FEATURE_EXPORT_CLASS TimeFeature : public PersistantFeature
{
        friend class TimeFeatureProvider;

        public:
                typedef enum {Timestamp, Second, Minute, Hour, Day, Weekday, Yearday, Month, Year} FeatureKind;

        protected:
                TimeFeature(FeatureKind kind, time_t* minval, time_t* maxval);
                TimeFeature(FeatureKind kind, time_t* minval, time_t* maxval, time_t timestamp);

        public:
                virtual double getPosition() const;
                virtual double getDistance(Feature *f) const;
                virtual void moveTowards(Feature *f, double factor);
                virtual string serialize() const;
                virtual void unserialize(string value);

                virtual featureparams write() const;
                virtual void read(featureparams *param);

                virtual Feature* clone() const;
                virtual void aggregate(aggregatelist samples);

                virtual FeatureType getType() const { return numerical_discrete; }
                virtual const string getName() const;

                virtual time_t getVal() const { return timestamp; }

                const time_t getMin() const { return *minval; }
                const time_t getMax() const { return *maxval; }

#if _DEBUG_FEATURES
                virtual string toString() const;
#endif

        private:

                time_t* minval;
                time_t* maxval;

                time_t timestamp;
                FeatureKind feature;
};

class FEATURE_EXPORT_CLASS TimeFeatureProvider : public FeatureProvider
{
        private:

                time_t timeFeature_maxval;
                time_t timeFeature_minval;
                stringvector features;
                map<string, TimeFeature::FeatureKind> featuremap;

                time_t timestamp;

        public:
                TimeFeatureProvider(providerparams &params);

                virtual Feature* getFeature(string name) const;
                virtual Feature* getSample(string name) const;
                virtual void nextSample(clock_t checkpoint);
};

#endif // _TIMEFEATURE_H

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