libyui  3.0.10
/usr/src/RPM/BUILD/libyui-3.0.10/src/YBuiltinCaller.h
00001 /*
00002   Copyright (C) 2000-2012 Novell, Inc
00003   This library is free software; you can redistribute it and/or modify
00004   it under the terms of the GNU Lesser General Public License as
00005   published by the Free Software Foundation; either version 2.1 of the
00006   License, or (at your option) version 3.0 of the License. This library
00007   is distributed in the hope that it will be useful, but WITHOUT ANY
00008   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
00009   FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
00010   License for more details. You should have received a copy of the GNU
00011   Lesser General Public License along with this library; if not, write
00012   to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
00013   Floor, Boston, MA 02110-1301 USA
00014 */
00015 
00016 
00017 /*-/
00018 
00019   File:         YBuiltinCaller.h
00020 
00021   Author:       Stefan Hundhammer <sh@suse.de>
00022 
00023 /-*/
00024 
00025 #ifndef YBuiltinCaller_h
00026 #define YBuiltinCaller_h
00027 
00028 
00029 /**
00030  * Abstract base class for transparently calling a built-in function.
00031  * Derived classes will want to add some methods to store the function to be
00032  * called, arguments to that function and its result and to retrieve the result
00033  * when needed.
00034  *
00035  * See YCPBuiltinCaller.h for an implementation.
00036  **/
00037 class YBuiltinCaller
00038 {
00039 protected:
00040     YBuiltinCaller() {}
00041 
00042 public:
00043     virtual ~YBuiltinCaller() {}
00044 
00045     /**
00046      * Call the built-in. This will be called in the UI thread with appropriate
00047      * syncing between the threads.
00048      *
00049      * Derived classes might want to store the result of the call in a member
00050      * variable in this class so it can later be queried.
00051      *
00052      * Derived classes are required to implement this method.
00053      **/
00054     virtual void call() = 0;
00055 };
00056 
00057 
00058 #endif // YBuiltinCaller_h
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