CLAM-Development  1.4.0
FlowControl.hxx
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1 /*
2  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
3  * UNIVERSITAT POMPEU FABRA
4  *
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 
23 #ifndef _FlowControl_hxx_
24 #define _FlowControl_hxx_
25 
26 
27 #include <list>
28 
29 namespace CLAM
30 {
31 
32 class Network;
33 class Processing;
34 
36 {
37  bool mNetworkChanged;
38 
39 public:
40  FlowControl();
41  virtual ~FlowControl(){}
42  virtual void AttachToNetwork( Network* );
43 
44  //methods relative to state of FlowControl & Network
45  virtual void ProcessingAddedToNetwork( Processing& added );
46  virtual void ProcessingRemovedFromNetwork( Processing& removed );
47  void ProcessingConfigured( Processing & configured );
48 
49  // to implement in each type of flowcontrol
50  virtual void Do() = 0;
51 
52  void NetworkTopologyChanged() { mNetworkChanged=true;}
53 
54 protected:
55  bool HasNetworkTopologyChanged() const { return mNetworkChanged; }
56 
58 
59 };
60 
61 }
62 
63 #endif
64