chemical/affinity/Affinity.h

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/*
 * This file is a part of the Biology project by eons LLC.
 * Biology (aka Develop Biology) is a framework for approaching software
 * development from a natural sciences perspective.
 *
 * Copyright (C) 2023 Séon O'Shannon & eons LLC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "bio/physical/affinity/Affinity.h"
#include "bio/chemical/Substance.h"
 
namespace bio {
namespace chemical {
 
class Substance;
 
class Affinity :
    public chemical::Class< Affinity >,
    public ::bio::Affinity,
    public Covalent< UnorderedMotif< physical::Attraction< Filter > > >,
    public Covalent< UnorderedMotif< physical::Attraction< Property > > >,
    public Covalent< UnorderedMotif< physical::Attraction< State > > >,
    virtual public Structure
{
public:
 
    BIO_DEFAULT_IDENTIFIABLE_CONSTRUCTORS(
        chemical,
        Affinity,
        filter::Chemical()
    )
 
    
    BIO_DISAMBIGUATE_ALL_CLASS_METHODS(chemical, Affinity)
 
    virtual ~Affinity();
 
    virtual Strength GetStrengthOfAttractionTo(Pointer< const physical::Wave > wave) const;
 
    template < typename T >
    typename physical::Attraction< T >::Force GetAttractionFor(T t) const
    {
        Pointer< const Container > container = GetAll< physical::Attraction< T > >();
        BIO_SANITIZE_AT_SAFETY_LEVEL_1(container,,return 0.0f;)
        Index index = container->SeekTo(physical::Attraction< T >(t));
        if (container->IsAllocated(index)) {
            return 0.0f;
        }
        return container->Access(index).template As< physical::Attraction< T > >().GetForce();
    }
    
    template < typename T >
    Strength MeasureAttractionAlong(Pointer< const Substance > substance) const
    {
        Strength ret = 0.0f;
        for (
            SmartIterator itt = substance->template GetAll< T >()->End();
            !itt.IsBeforeBeginning();
            --itt
        ) {
            ret += this->GetAttractionFor< T >(itt.template As< T >());
        }
        return ret;
    }
 
};
 
} //chemical namespace
} //bio namespace