xapian-core/tests/harness/backendmanager_multi.h

   1 /** @file backendmanager_multi.h
   2  * @brief BackendManager subclass for multi databases.
   3  */
   4 /* Copyright (C) 2007,2009,2017,2018 Olly Betts
   5  * Copyright (C) 2008 Lemur Consulting Ltd
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of the
  10  * License, or (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 #ifndef XAPIAN_INCLUDED_BACKENDMANAGER_MULTI_H
  23 #define XAPIAN_INCLUDED_BACKENDMANAGER_MULTI_H
  24
  25 #include "backendmanager.h"
  26
  27 #include <string>
  28
  29 #include <xapian/database.h>
  30
  31 /// BackendManager subclass for multi databases.
  32 class BackendManagerMulti : public BackendManager {
  33     /// Don't allow assignment.
  34     void operator=(const BackendManagerMulti &);
  35
  36     /// Don't allow copying.
  37     BackendManagerMulti(const BackendManagerMulti &);
  38
  39     /// The path of the last writable database used.
  40     std::string last_wdb_path;
  41
  42     BackendManager* sub_manager;
  43
  44     std::string cachedir;
  45
  46     std::string createdb_multi(const std::string& name,
  47                                const std::vector<std::string>& files);
  48
  49   protected:
  50     /// Get the path of the Xapian::Database instance.
  51     std::string do_get_database_path(const std::vector<std::string> & files);
  52
  53   public:
  54     BackendManagerMulti(const std::string& datadir_,
  55                         BackendManager* sub_manager_);
  56
  57     /// Return a string representing the current database type.
  58     std::string get_dbtype() const;
  59
  60     /// Create a Multi Xapian::WritableDatabase object indexing a single file.
  61     Xapian::WritableDatabase get_writable_database(const std::string & name, const std::string & file);
  62
  63     /// Get the path of Xapian::WritableDatabase instance.
  64     std::string get_writable_database_path(const std::string & name);
  65
  66     /// Create a WritableDatabase object for the last opened WritableDatabase.
  67     Xapian::WritableDatabase get_writable_database_again();
  68
  69     /// Get the path of the last opened WritableDatabase.
  70     std::string get_writable_database_path_again();
  71 };
  72
  73 #endif // XAPIAN_INCLUDED_BACKENDMANAGER_MULTI_H