libyui  3.4.2
YBuiltinCaller.h
1 /*
2  Copyright (C) 2000-2012 Novell, Inc
3  This library is free software; you can redistribute it and/or modify
4  it under the terms of the GNU Lesser General Public License as
5  published by the Free Software Foundation; either version 2.1 of the
6  License, or (at your option) version 3.0 of the License. This library
7  is distributed in the hope that it will be useful, but WITHOUT ANY
8  WARRANTY; without even the implied warranty of MERCHANTABILITY or
9  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
10  License for more details. You should have received a copy of the GNU
11  Lesser General Public License along with this library; if not, write
12  to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
13  Floor, Boston, MA 02110-1301 USA
14 */
15 
16 
17 /*-/
18 
19  File: YBuiltinCaller.h
20 
21  Author: Stefan Hundhammer <sh@suse.de>
22 
23 /-*/
24 
25 #ifndef YBuiltinCaller_h
26 #define YBuiltinCaller_h
27 
28 
29 /**
30  * Abstract base class for transparently calling a built-in function.
31  * Derived classes will want to add some methods to store the function to be
32  * called, arguments to that function and its result and to retrieve the result
33  * when needed.
34  *
35  * See YCPBuiltinCaller.h for an implementation.
36  **/
38 {
39 protected:
40  YBuiltinCaller() {}
41 
42 public:
43  virtual ~YBuiltinCaller() {}
44 
45  /**
46  * Call the built-in. This will be called in the UI thread with appropriate
47  * syncing between the threads.
48  *
49  * Derived classes might want to store the result of the call in a member
50  * variable in this class so it can later be queried.
51  *
52  * Derived classes are required to implement this method.
53  **/
54  virtual void call() = 0;
55 };
56 
57 
58 #endif // YBuiltinCaller_h
virtual void call()=0
Call the built-in.
Abstract base class for transparently calling a built-in function.