1 /* brass_record.h: Records in brass databases
2  *
3  * Copyright 1999,2000,2001 BrightStation PLC
4  * Copyright 2002 Ananova Ltd
5  * Copyright 2002,2003,2004,2005,2007,2008,2009 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_BRASS_RECORD_H
24 #define OM_HGUARD_BRASS_RECORD_H
25 
26 #include <string>
27 
28 #include <xapian/types.h>
29 #include "brass_types.h"
30 #include "brass_table.h"
31 
32 using namespace std;
33 
34 /** A record in a brass database.
35  */
36 class BrassRecordTable : public BrassTable {
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 	 */
BrassRecordTable(const string & path_,bool readonly_)50 	BrassRecordTable(const string & path_, bool readonly_)
51 	    : BrassTable("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_BRASS_RECORD_H */
73