xapian-core/tests/harness/backendmanager_multi.h

   1 /** @file
   2  * @brief BackendManager subclass for multi databases.
   3  */
   4 /* Copyright (C) 2007,2009,2017,2018,2019,2020 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 #include <vector>
  29
  30 #include <xapian/database.h>
  31
  32 /// BackendManager subclass for multi databases.
  33 class BackendManagerMulti : public BackendManager {
  34     /// Don't allow assignment.
  35     void operator=(const BackendManagerMulti &);
  36
  37     /// Don't allow copying.
  38     BackendManagerMulti(const BackendManagerMulti &);
  39
  40     /// The path of the last writable database used.
  41     std::string last_wdb_path;
  42
  43     // vector of sub_managers.
  44     std::vector<BackendManager*> sub_managers;
  45
  46     std::string cachedir;
  47
  48     std::string createdb_multi(const std::string& name,
  49                                const std::vector<std::string>& files);
  50
  51   protected:
  52     /// Get the path of the Xapian::Database instance.
  53     std::string do_get_database_path(const std::vector<std::string> & files);
  54
  55   public:
  56     BackendManagerMulti(const std::string& datadir_,
  57                         const std::vector<BackendManager*>& sub_manager_);
  58
  59     Xapian::Database get_remote_database(const std::vector<std::string>& files,
  60                                          unsigned int timeout,
  61                                          int* port_ptr);
  62
  63     /// Create a Multi Xapian::WritableDatabase object indexing a single file.
  64     Xapian::WritableDatabase get_writable_database(const std::string & name, const std::string & file);
  65
  66     /// Get the path of Xapian::WritableDatabase instance.
  67     std::string get_writable_database_path(const std::string & name);
  68
  69     std::string get_compaction_output_path(const std::string& name);
  70
  71     std::string get_generated_database_path(const std::string& name);
  72
  73     /// Create a WritableDatabase object for the last opened WritableDatabase.
  74     Xapian::WritableDatabase get_writable_database_again();
  75
  76     /// Get the path of the last opened WritableDatabase.
  77     std::string get_writable_database_path_again();
  78 };
  79
  80 #endif // XAPIAN_INCLUDED_BACKENDMANAGER_MULTI_H