initial commit for version 1.6.x patch release
[OpenFOAM-1.6.x.git] / src / OpenFOAM / db / Callback / Callback.C
blobdc80a76692095952fb0d8f7e9c4fc3b052cbf09c
1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
4    \\    /   O peration     |
5     \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
6      \\/     M anipulation  |
7 -------------------------------------------------------------------------------
8 License
9     This file is part of OpenFOAM.
11     OpenFOAM is free software; you can redistribute it and/or modify it
12     under the terms of the GNU General Public License as published by the
13     Free Software Foundation; either version 2 of the License, or (at your
14     option) any later version.
16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
19     for more details.
21     You should have received a copy of the GNU General Public License
22     along with OpenFOAM; if not, write to the Free Software Foundation,
23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 \*---------------------------------------------------------------------------*/
27 #include "Callback.H"
29 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
31 template<class CallbackType>
32 Foam::Callback<CallbackType>::Callback(CallbackRegistry<CallbackType>& cbr)
34     cbr_(cbr)
36     checkIn();
40 template<class CallbackType>
41 Foam::Callback<CallbackType>::Callback(const Callback<CallbackType>& cb)
43     cbr_(cb.cbr_)
45     checkIn();
49 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
51 template<class CallbackType>
52 Foam::Callback<CallbackType>::~Callback()
54     checkOut();
58 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
60 template<class CallbackType>
61 bool Foam::Callback<CallbackType>::checkIn()
63     if (!Callback<CallbackType>::link::registered())
64     {
65         cbr_.append(static_cast<CallbackType*>(this));
66         return true;
67     }
68     else
69     {
70         return false;
71     }
75 template<class CallbackType>
76 bool Foam::Callback<CallbackType>::checkOut()
78     if (Callback<CallbackType>::link::registered())
79     {
80         CallbackType* cbPtr = cbr_.remove(static_cast<CallbackType*>(this));
82         if (cbPtr)
83         {
84             return true;
85         }
86         else
87         {
88             return false;
89         }
90     }
91     else
92     {
93         return false;
94     }
98 // ************************************************************************* //