OpenMAMA C++ API
MamaSourceStateChangeCallback.h
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1 /* $Id$
2  *
3  * OpenMAMA: The open middleware agnostic messaging API
4  * Copyright (C) 2011 NYSE Technologies, Inc.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library 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 GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19  * 02110-1301 USA
20  */
21 
22 #ifndef MAMA_SOURCE_STATE_CHANGED_CALLBACK_CPP_H__
23 #define MAMA_SOURCE_STATE_CHANGED_CALLBACK_CPP_H__
24 
25 #include "mama/mamacpp.h"
26 
27 namespace Wombat
28 {
29 
30  class MamaSourceGroup;
31 
39  class MAMACPPExpDLL MamaSourceStateChangeCallback
40  {
41  public:
43  {}
44 
51  virtual void onStateChanged (MamaSourceGroup& sourceGroup,
52  MamaSource* topWeightSource) = 0;
53 
54  };
55 
56 } // namespace Wombat
57 #endif // MAMA_SOURCE_STATE_CHANGED_CALLBACK_CPP_H__
Applications can register with MamaSourceGroup to receive state change notifications when the state o...
Definition: MamaSourceStateChangeCallback.h:39
virtual ~MamaSourceStateChangeCallback(void)
Definition: MamaSourceStateChangeCallback.h:42
A MAMA source maintains information about a data source, including the quality of the data coming fro...
Definition: MamaSource.h:55
A MAMA source group monitors a set of MAMA sources that presumably provide a duplicate set of data...
Definition: MamaSourceGroup.h:42
Definition: MamaConnection.h:29