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//
//      aegis - project change supervisor
//      Copyright (C) 2004-2008, 2012 Peter Miller
//
//      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 LIBAEGIS_CHANGE_FUNCTOR_H
#define LIBAEGIS_CHANGE_FUNCTOR_H

#include <common/ac/time.h>

#include <libaegis/change.h>

class change_functor
{
public:
    virtual ~change_functor();

    virtual void operator()(change::pointer cp) = 0;

    bool include_branches() const { return include_branches_flag; }

    bool all_changes() const { return all_changes_flag; }

    virtual time_t earliest();

    virtual time_t latest();

    virtual bool recurse_branches();

protected:
    change_functor(bool include_branches, bool all_changes = false);

    change_functor(const change_functor &);

    change_functor &operator=(const change_functor &);

private:
    bool include_branches_flag;
    bool all_changes_flag;

    change_functor();
};

#endif // LIBAEGIS_CHANGE_FUNCTOR_H
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