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/** @file chert_record.h
* @brief Records in chert databases
*/
/* Copyright 1999,2000,2001 BrightStation PLC
* Copyright 2002 Ananova Ltd
* Copyright 2002,2003,2004,2005,2007,2008 Olly Betts
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#ifndef OM_HGUARD_CHERT_RECORD_H
#define OM_HGUARD_CHERT_RECORD_H
#include <string>
#include <xapian/types.h>
#include "chert_types.h"
#include "chert_table.h"
using namespace std;
/** A record in a chert database.
*/
class ChertRecordTable : public ChertTable {
public:
/** Create a new table object.
*
* This does not create the table on disk - the create() method must
* be called before the table is created on disk
*
* This also does not open the table - the open() method must be
* called before use is made of the table.
*
* @param path_ - Path at which the table is stored.
* @param readonly_ - whether to open the table for read only
* access.
*/
ChertRecordTable(const string & path_, bool readonly_)
: ChertTable("record", path_ + "/record.", readonly_, Z_DEFAULT_STRATEGY) { }
/** Retrieve a document from the table.
*/
string get_record(Xapian::docid did) const;
/** Get the number of records in the table.
*/
Xapian::doccount get_doccount() const;
/* Add a new record to the table, or replace an existing record.
*
* @param did The document ID to use.
*/
void replace_record(const string & data, Xapian::docid did);
/** Delete a record from the table.
*/
void delete_record(Xapian::docid did);
void readahead_for_record(Xapian::docid did) const;
};
#endif /* OM_HGUARD_CHERT_RECORD_H */
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