factory.h

// -*- mode: c++; tab-width: 4; indent-tabs-mode: t; eval: (progn (c-set-style "stroustrup") (c-set-offset 'innamespace 0)); -*-
// vi:set ts=4 sts=4 sw=4 noet :
// Copyright 2013, The TPIE development team
// 
// This file is part of TPIE.
// 
// TPIE is free software: you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at your
// option) any later version.
// 
// TPIE 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 Lesser General Public
// License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with TPIE.  If not, see <http://www.gnu.org/licenses/>
 
#ifndef __TPIE_PIPELINING_PARALLEL_FACTORY_H__
#define __TPIE_PIPELINING_PARALLEL_FACTORY_H__
 
#include <tpie/pipelining/factory_base.h>
#include <tpie/pipelining/parallel/options.h>
#include <tpie/pipelining/parallel/base.h>
#include <tpie/pipelining/node.h>
 
namespace tpie::pipelining::parallel_bits {
 
template <typename fact_t>
class factory : public factory_base {
    fact_t fact;
    const options opts;
public:
 
    template <typename dest_t>
    struct constructed {
        typedef typename push_type<dest_t>::type T2;
 
        typedef after<T2> after_t;
        typedef typename fact_t::template constructed_type<after_t> processor_t;
        typedef typename push_type<processor_t>::type T1;
 
        typedef producer<T1, T2> type;
    };
 
 
    template <typename dest_t>
    using constructed_type = typename constructed<dest_t>::type;
    
    factory(fact_t && fact, options && opts)
        : fact(std::move(fact))
        , opts(std::move(opts))
    {
    }
 
    template <typename dest_t>
    constructed_type<dest_t> construct(dest_t && dest) {
        typedef constructed<dest_t> gen_t;
 
        typedef typename gen_t::T1 input_type;
        typedef typename gen_t::T2 output_type;
        typedef state<input_type, output_type> state_t;
 
        typedef consumer_impl<input_type, output_type, dest_t> consumer_t;
 
        typedef typename gen_t::type producer_t;
 
        typename state_t::ptr st(new state_t(opts, std::move(fact)));
 
        consumer_t consumer(std::move(dest), st);
        this->init_node(consumer);
        producer_t producer(st, std::move(consumer));
        this->init_node(producer);
        return producer;
    }
 
    template <typename dest_t>
    constructed_type<dest_t> construct_copy(dest_t && dest) {
        return construct(std::forward(dest));
    }
 
 
};
 
} // namespace tpie::pipelining::parallel_bits
 
#endif // __TPIE_PIPELINING_PARALLEL_FACTORY_H__