xapian-core/matcher/remotesubmatch.cc

   1 /** @file remotesubmatch.cc
   2  *  @brief SubMatch class for a remote database.
   3  */
   4 /* Copyright (C) 2006,2007,2009,2010,2011,2014,2015 Olly Betts
   5  * Copyright (C) 2007,2008 Lemur Consulting Ltd
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  20  */
  21
  22 #include <config.h>
  23
  24 #include "remotesubmatch.h"
  25
  26 #include "debuglog.h"
  27 #include "backends/remote/remote-database.h"
  28 #include "weight/weightinternal.h"
  29
  30 using namespace std;
  31
  32 RemoteSubMatch::RemoteSubMatch(const RemoteDatabase *db_,
  33                                const vector<opt_ptr_spy>& matchspies_)
  34         : db(db_),
  35           matchspies(matchspies_)
  36 {
  37     LOGCALL_CTOR(MATCH, "RemoteSubMatch", db_ | matchspies_);
  38 }
  39
  40 bool
  41 RemoteSubMatch::prepare_match(bool block,
  42                               Xapian::Weight::Internal & total_stats)
  43 {
  44     LOGCALL(MATCH, bool, "RemoteSubMatch::prepare_match", block | total_stats);
  45     Xapian::Weight::Internal remote_stats;
  46     if (!db->get_remote_stats(block, remote_stats)) RETURN(false);
  47     total_stats += remote_stats;
  48     RETURN(true);
  49 }
  50
  51 void
  52 RemoteSubMatch::start_match(Xapian::doccount first,
  53                             Xapian::doccount maxitems,
  54                             Xapian::doccount check_at_least,
  55                             Xapian::Weight::Internal & total_stats)
  56 {
  57     LOGCALL_VOID(MATCH, "RemoteSubMatch::start_match", first | maxitems | check_at_least | total_stats);
  58     db->send_global_stats(first, maxitems, check_at_least, total_stats);
  59 }