base_s_policy.h

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 *   Copyright (C) 2004-2015 The PaGMO development team,                     *
 *   Advanced Concepts Team (ACT), European Space Agency (ESA)               *
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#ifndef PAGMO_MIGRATION_BASE_S_POLICY_H
#define PAGMO_MIGRATION_BASE_S_POLICY_H

#include <boost/shared_ptr.hpp>
#include <vector>

#include "../config.h"
#include "../population.h"
#include "../serialization.h"
#include "base.h"

namespace pagmo { namespace migration {

// Base class for selection policies for migration.
class base_s_policy;

typedef boost::shared_ptr<base_s_policy> base_s_policy_ptr;


class __PAGMO_VISIBLE base_s_policy: public base
{
        public:
                base_s_policy(const double &rate = 1, rate_type type = absolute);
                virtual ~base_s_policy();

                virtual base_s_policy_ptr clone() const = 0;

                virtual std::vector<population::individual_type> select(population &pop) const = 0;
        private:        
                friend class boost::serialization::access;
                template <class Archive>
                void serialize(Archive &ar, const unsigned int)
                {
                        ar & boost::serialization::base_object<base>(*this);
                }
};

}}

BOOST_SERIALIZATION_ASSUME_ABSTRACT(pagmo::migration::base_s_policy)

#endif