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54 lines
1.4 KiB
54 lines
1.4 KiB
3 years ago
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//
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// DB2_db.h
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//
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// DB2_db: Implements the Berkeley B-Tree database as a Database object
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// (including duplicate values to allow duplicate word entries)
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//
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// Part of the ht://Dig package <http://www.htdig.org/>
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// Copyright (c) 1999-2004 The ht://Dig Group
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// For copyright details, see the file COPYING in your distribution
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// or the GNU Library General Public License (LGPL) version 2 or later
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// <http://www.gnu.org/copyleft/lgpl.html>
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//
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// $Id: DB2_db.h,v 1.11 2004/05/28 13:15:20 lha Exp $
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//
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#ifndef _DB2_db_h_
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#define _DB2_db_h_
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#include "Database.h"
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#include <db.h>
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#include <fcntl.h>
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class DB2_db : public Database
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{
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//
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// Construction/Destruction
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//
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protected:
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DB2_db();
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public:
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~DB2_db();
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static DB2_db *getDatabaseInstance(DBTYPE type);
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virtual int OpenReadWrite(const char *filename, int mode) { return Open(filename, DB_CREATE, mode); }
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virtual int OpenRead(const char *filename) { return Open(filename, DB_RDONLY, 0666); }
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virtual int Close();
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virtual int Get(const String &, String &);
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virtual int Put(const String &, const String &);
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virtual int Exists(const String &);
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virtual int Delete(const String &);
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virtual void Start_Get();
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virtual char *Get_Next(String &item, String &key);
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virtual void Start_Seq(const String& key);
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private:
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DB_ENV *db_init(char *);
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int Open(const char *filename, int flags, int mode);
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};
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#endif
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