backends/flint/flint_alldocspostlist.h

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00001 
00004 /* Copyright (C) 2006,2007 Olly Betts
00005  *
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
00019  */
00020 
00021 #ifndef XAPIAN_INCLUDED_FLINT_ALLDOCSPOSTLIST_H
00022 #define XAPIAN_INCLUDED_FLINT_ALLDOCSPOSTLIST_H
00023 
00024 #include <string>
00025 
00026 #include "leafpostlist.h"
00027 
00028 class FlintAllDocsPostList : public LeafPostList {
00030     void operator=(const FlintAllDocsPostList &);
00031 
00033     FlintAllDocsPostList(const FlintAllDocsPostList &);
00034 
00036     PostList * read_did_from_current_key();
00037 
00039     Xapian::Internal::RefCntPtr<const FlintDatabase> db;
00040 
00042     Xapian::doccount doccount;
00043 
00045     AutoPtr<FlintCursor> cursor;
00046 
00048     Xapian::docid current_did;
00049 
00050   public:
00051     FlintAllDocsPostList(Xapian::Internal::RefCntPtr<const FlintDatabase> db_,
00052                          Xapian::doccount doccount_)
00053       : db(db_), doccount(doccount_), cursor(db->termlist_table.cursor_get()),
00054         current_did(0)
00055     {
00056         cursor->find_entry("");
00057     }
00058 
00059     ~FlintAllDocsPostList();
00060 
00061     Xapian::doccount get_termfreq() const;
00062 
00063     Xapian::docid get_docid() const;
00064 
00065     Xapian::doclength get_doclength() const;
00066 
00067     Xapian::termcount get_wdf() const;
00068 
00069     PostList * next(Xapian::weight w_min);
00070 
00071     PostList * skip_to(Xapian::docid desired_did, Xapian::weight w_min);
00072 
00073     bool at_end() const;
00074 
00075     std::string get_description() const;
00076 };
00077 
00078 #endif // XAPIAN_INCLUDED_FLINT_ALLDOCSPOSTLIST_H

Documentation for Xapian (version 1.0.10).
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