Fawkes API Fawkes Development Version
change_handler.h
1
2/***************************************************************************
3 * change_handler.h - Fawkes configuration change handler interface
4 *
5 * Created: Mon Dec 04 18:48:54 2006
6 * Copyright 2006-2009 Tim Niemueller [www.niemueller.de]
7 *
8 ****************************************************************************/
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. A runtime exception applies to
14 * this software (see LICENSE.GPL_WRE file mentioned below for details).
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Library General Public License for more details.
20 *
21 * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
22 */
23
24#ifndef _CONFIG_CHANGE_HANDLER_H_
25#define _CONFIG_CHANGE_HANDLER_H_
26
27#include <config/config.h>
28
29namespace fawkes {
30
32{
33public:
34 ConfigurationChangeHandler(const char *path_prefix);
36
37 virtual void config_tag_changed(const char *new_tag) = 0;
40 virtual void config_value_erased(const char *path) = 0;
41
42 const char *config_monitor_prefix();
43
44private:
45 char *path_prefix_;
46};
47
48} // end namespace fawkes
49
50#endif
Interface for configuration change handling.
ConfigurationChangeHandler(const char *path_prefix)
Constructor.
virtual void config_value_erased(const char *path)=0
Called whenever a value has been erased from the config.
virtual void config_value_changed(const Configuration::ValueIterator *v)=0
Called whenever a watched value has changed.
virtual ~ConfigurationChangeHandler()
Destructor.
virtual void config_tag_changed(const char *new_tag)=0
Called whenever the tag has changed.
virtual void config_comment_changed(const Configuration::ValueIterator *v)=0
Called whenever a comment of a watched value has changed.
const char * config_monitor_prefix()
Which path prefix shall be monitored.
Iterator interface to iterate over config values.
Definition: config.h:75
Fawkes library namespace.