ParticleCombinationCache.h

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/*  YAP - Yet another PWA toolkit
    Copyright 2015, Technische Universitaet Muenchen,
    Authors: Daniel Greenwald, Johannes Rauch

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef yap_ParticleCombinationCache_h
#define yap_ParticleCombinationCache_h

#include "ParticleCombination.h"
#include "WeakPtrCache.h"

#include <ostream>
#include <vector>

namespace yap {


class ParticleCombinationCache : public WeakPtrCache<ParticleCombination>
{
public:

    bool equal(const shared_ptr_type& A, const shared_ptr_type& B) const override
    { return equal_up_and_down(A, B); }

    shared_ptr_type fsp(unsigned index)
    { return operator[](create_fsp(index)); }

    shared_ptr_type composite(const ParticleCombinationVector& D)
    { return operator[](create_composite(D)); }

    using WeakPtrCache::find;

    weak_ptr_type find(unsigned index) const
    { return find(create_fsp(index)); }

    /*
    weak_ptr_type find(const ParticleCombination& other)
    { return find(create_copy(other)); }
    */

    weak_ptr_type find(const ParticleCombinationVector& D) const
    { return find(create_composite(D)); }

    weak_ptr_type findByUnorderedContent(const std::vector<unsigned>& I) const;

    bool consistent() const;

    virtual std::ostream& print(std::ostream& os) const override;

private:

    void addToCache(shared_ptr_type pc) override;

    shared_ptr_type create_fsp(unsigned index) const
    { return shared_ptr_type(new ParticleCombination(index)); }

    shared_ptr_type create_copy(const ParticleCombination& other) const;

    shared_ptr_type create_composite(const ParticleCombinationVector& D) const;

};

}

#endif