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/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2006, 2007 Ciaran McCreesh <ciaranm@ciaranm.org>
 *
 * This file is part of the Paludis package manager. Paludis is free software;
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License version 2, as published by the Free Software Foundation.
 *
 * Paludis 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, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef PALUDIS_GUARD_PALUDIS_REPOSITORIES_PORTAGE_EBUILD_FLAT_METADATA_CACHE_HH
#define PALUDIS_GUARD_PALUDIS_REPOSITORIES_PORTAGE_EBUILD_FLAT_METADATA_CACHE_HH 1

#include <paludis/ebuild.hh>
#include <paludis/util/fs_entry.hh>
#include <paludis/version_metadata.hh>
#include <paludis/repositories/portage/eclass_mtimes.hh>

namespace paludis
{
    /**
     * Implements flat file metadata cache handling for a PortageRepository
     * using EbuildEntries.
     *
     * \see EbuildEntries
     * \see PortageRepository
     * \ingroup grpportagerepository
     * \nosubgrouping
     */
    class EbuildFlatMetadataCache
    {
        private:
            const FSEntry & _filename;
            const FSEntry & _ebuild;
            time_t _master_mtime;
            std::tr1::shared_ptr<const EclassMtimes> _eclass_mtimes;
            bool _silent;

        public:
            ///\name Basic operations
            ///\{

            EbuildFlatMetadataCache(const FSEntry & filename, const FSEntry & ebuild,
                    time_t master_mtime, std::tr1::shared_ptr<const EclassMtimes> eclass_mtimes, bool silent);

            ///\}

            ///\name Cache operations
            ///\{

            bool load(std::tr1::shared_ptr<EbuildVersionMetadata>);
            void save(std::tr1::shared_ptr<const EbuildVersionMetadata>);

            ///\}
    };
}

#endif