common/multialltermslist.h

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/* Copyright (C) 2007,2008 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef XAPIAN_INCLUDED_MULTIALLTERMSLIST_H
#define XAPIAN_INCLUDED_MULTIALLTERMSLIST_H

#include "alltermslist.h"

#include "database.h"

#include <string>
#include <vector>

class MultiAllTermsList : public AllTermsList {
    void operator=(const MultiAllTermsList &);

    MultiAllTermsList(const MultiAllTermsList &);

    std::string current_term;

    std::vector<TermList *> termlists;

  public:
    MultiAllTermsList(const std::vector<Xapian::Internal::RefCntPtr<Xapian::Database::Internal> > & dbs,
                      const std::string & prefix);

    ~MultiAllTermsList();

    std::string get_termname() const;

    Xapian::doccount get_termfreq() const;

    Xapian::termcount get_collection_freq() const;

    TermList *next();

    TermList *skip_to(const std::string &term);

    bool at_end() const;
};

#endif // XAPIAN_INCLUDED_MULTIALLTERMSLIST_H

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