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       1                 :            : /* chert_record.h: Records in chert databases
       2                 :            :  *
       3                 :            :  * Copyright 1999,2000,2001 BrightStation PLC
       4                 :            :  * Copyright 2002 Ananova Ltd
       5                 :            :  * Copyright 2002,2003,2004,2005,2007,2008 Olly Betts
       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
      20                 :            :  * USA
      21                 :            :  */
      22                 :            : 
      23                 :            : #ifndef OM_HGUARD_CHERT_RECORD_H
      24                 :            : #define OM_HGUARD_CHERT_RECORD_H
      25                 :            : 
      26                 :            : #include <string>
      27                 :            : 
      28                 :            : #include <xapian/types.h>
      29                 :            : #include "chert_types.h"
      30                 :            : #include "chert_table.h"
      31                 :            : 
      32                 :            : using namespace std;
      33                 :            : 
      34                 :            : /** A record in a chert database.
      35                 :            :  */
      36                 :       2318 : class ChertRecordTable : public ChertTable {
      37                 :            :     public:
      38                 :            :         /** Create a new table object.
      39                 :            :          *
      40                 :            :          *  This does not create the table on disk - the create() method must
      41                 :            :          *  be called before the table is created on disk
      42                 :            :          *
      43                 :            :          *  This also does not open the table - the open() method must be
      44                 :            :          *  called before use is made of the table.
      45                 :            :          *
      46                 :            :          *  @param path_          - Path at which the table is stored.
      47                 :            :          *  @param readonly_      - whether to open the table for read only
      48                 :            :          *                          access.
      49                 :            :          */
      50                 :       2318 :         ChertRecordTable(const string & path_, bool readonly_)
      51                 :       2318 :             : ChertTable("record", path_ + "/record.", readonly_, Z_DEFAULT_STRATEGY) { }
      52                 :            : 
      53                 :            :         /** Retrieve a document from the table.
      54                 :            :          */
      55                 :            :         string get_record(Xapian::docid did) const;
      56                 :            : 
      57                 :            :         /** Get the number of records in the table.
      58                 :            :          */
      59                 :            :         Xapian::doccount get_doccount() const;
      60                 :            : 
      61                 :            :         /* Add a new record to the table, or replace an existing record.
      62                 :            :          *
      63                 :            :          * @param did   The document ID to use.
      64                 :            :          */
      65                 :            :         void replace_record(const string & data, Xapian::docid did);
      66                 :            : 
      67                 :            :         /** Delete a record from the table.
      68                 :            :          */
      69                 :            :         void delete_record(Xapian::docid did);
      70                 :            : };
      71                 :            : 
      72                 :            : #endif /* OM_HGUARD_CHERT_RECORD_H */