remotesubmatch.h

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/* Copyright (C) 2006,2007,2009,2011,2014,2015 Olly Betts
 * Copyright (C) 2007,2008 Lemur Consulting Ltd
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef XAPIAN_INCLUDED_REMOTESUBMATCH_H
#define XAPIAN_INCLUDED_REMOTESUBMATCH_H

#include "submatch.h"
#include "backends/remote/remote-database.h"
#include "xapian/weight.h"

namespace Xapian {
    class MatchSpy;
}

class RemoteSubMatch : public SubMatch {
    void operator=(const RemoteSubMatch &);

    RemoteSubMatch(const RemoteSubMatch &);

    RemoteDatabase *db;

    bool decreasing_relevance;

    Xapian::doccount uncollapsed_upper_bound;

    double percent_factor;

    const vector<Xapian::Internal::opt_intrusive_ptr<Xapian::MatchSpy>> & matchspies;

  public:
    RemoteSubMatch(RemoteDatabase *db_,
                   bool decreasing_relevance_,
                   const vector<Xapian::Internal::opt_intrusive_ptr<Xapian::MatchSpy>> & matchspies);

    bool prepare_match(bool nowait, Xapian::Weight::Internal & total_stats);

    void start_match(Xapian::doccount first,
                     Xapian::doccount maxitems,
                     Xapian::doccount check_at_least,
                     Xapian::Weight::Internal & total_stats);

    PostList * get_postlist(MultiMatch * matcher,
                            Xapian::termcount* total_subqs_ptr,
                            Xapian::Weight::Internal& total_stats);

    Xapian::doccount get_uncollapsed_upper_bound() const {
        return uncollapsed_upper_bound;
    }

    double get_percent_factor() const { return percent_factor; }

    void get_mset(Xapian::MSet & mset) { db->get_mset(mset, matchspies); }
};

#endif /* XAPIAN_INCLUDED_REMOTESUBMATCH_H */