matchdecider.h

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/* Copyright (C) 2017 Olly Betts
 *
 * 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 2 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
 * <https://www.gnu.org/licenses/>.
 */
 
#ifndef XAPIAN_INCLUDED_MATCHDECIDER_H
#define XAPIAN_INCLUDED_MATCHDECIDER_H
 
#if !defined XAPIAN_IN_XAPIAN_H && !defined XAPIAN_LIB_BUILD
# error Never use <xapian/matchdecider.h> directly; include <xapian.h> instead.
#endif
 
#include <xapian/attributes.h>
#include <xapian/types.h>
#include <xapian/visibility.h>
 
namespace Xapian {
 
class Document;
 
class XAPIAN_VISIBILITY_DEFAULT MatchDecider {
  private:
    void operator=(const MatchDecider &) = delete;
 
    MatchDecider(const MatchDecider &) = delete;
 
  public:
    MatchDecider() noexcept {}
 
    virtual ~MatchDecider() { }
 
    virtual bool operator()(const Xapian::Document &doc) const = 0;
};
 
}
 
#endif // XAPIAN_INCLUDED_MATCHDECIDER_H