root/gsdl/trunk/src/colservr/sqlbrowsefilter.h @ 15757

Revision 15757, 2.0 KB (checked in by mdewsnip, 11 years ago)

(Adding dynamic classifiers) Added new sqlbrowsefilter class, which will provide the necessary functions required by the dynamic classifier action.

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1/**********************************************************************
2 *
3 * sqlbrowsefilter.h --
4 * Copyright (C) 2008  DL Consulting Ltd
5 *
6 * A component of the Greenstone digital library software
7 * from the New Zealand Digital Library Project at the
8 * University of Waikato, New Zealand.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 *********************************************************************/
25
26#ifndef SQLBROWSEFILTER_H
27#define SQLBROWSEFILTER_H
28
29
30#include "filter.h"
31#include "comtypes.h"
32#include "sqldbclass.h"
33#include "text_t.h"
34
35
36class sqlbrowsefilterclass : public filterclass {
37protected:
38  text_t sql_db_filename;
39  text_t indexstem;
40  sqldbclass *sql_db_ptr;
41
42public:
43  sqlbrowsefilterclass ();
44  virtual ~sqlbrowsefilterclass ();
45
46  text_t get_filter_name () { return "SQLBrowseFilter"; }
47
48  // configure should be called once for each configuration line
49  // default configures the default filter options
50  virtual void configure (const text_t &key, const text_tarray &cfgline);
51
52  // the sql db ptr remains the responsibility of the calling code and
53  // should be destroyed after this sqlbrowsefilter is destroyed
54  void set_sql_db_ptr (sqldbclass *sql_db_ptr_arg) { sql_db_ptr = sql_db_ptr_arg; }
55
56  bool init (ostream &logout);
57  void filter (const FilterRequest_t &request,
58           FilterResponse_t &response,
59           comerror_t &err, ostream &logout);
60};
61
62
63#endif
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