#ifndef PARTICLETRAJECTORIESAMPLER_H
#define PARTICLETRAJECTORIESAMPLER_H

#include <vector>
#include "..//Particle.h"

namespace SMC {

	/**
     * interface for Sampling Trajectories of Particles
	 */
    template <typename State>
    class ParticleTrajectorieSampler {

	public:

        /** draw a single particle */
        virtual Particle<State> drawSingleParticle(std::vector<Particle<State>> const& particles) = 0;

        /** draw a trajectorie of all incoming particles / like resampling*/
        virtual std::vector<Particle<State>> drawTrajectorie(std::vector<Particle<State>>const& particles, const int num) = 0;

    private:

        /** function for drawing particles */
        virtual Particle<State> draw(const double cumWeight, std::vector<Particle<State>> const& cumParticles, std::vector<Particle<State>> const& origParticles) = 0;
	};

}

#endif // ARTIFICIALDISTRIBUTION_H