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HandlerChain.h

00001 /* -*- C++ -*- */
00002 
00003 /*
00004  * The Apache Software License, Version 1.1
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00011  * modification, are permitted provided that the following conditions
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00013  *
00014  * 1. Redistributions of source code must retain the above copyright
00015  *    notice, this list of conditions and the following disclaimer.
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00017  * 2. Redistributions in binary form must reproduce the above copyright
00018  *    notice, this list of conditions and the following disclaimer in
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00022  * 3. The end-user documentation included with the redistribution,
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00024  *       "This product includes software developed by the
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00026  *    Alternately, this acknowledgment may appear in the software itself,
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00059 
00060 // HandlerChain.h: 
00061 //
00063 
00064 #if !defined(AFX_HANDLERCHAIN_H__675E51BF_2FD7_4860_B3DE_F8B5A978EB99__INCLUDED_)
00065 #define AFX_HANDLERCHAIN_H__675E51BF_2FD7_4860_B3DE_F8B5A978EB99__INCLUDED_
00066 
00067 #include "../common/BasicHandler.h"
00068 #include "../common/Handler.h"
00069 
00070 #include <list>
00071 
00072 using namespace std;
00073 
00074 
00082 class HandlerChain : public BasicHandler  
00083 {
00084         friend class HandlerPool;
00085 private:
00086         typedef struct ChainItem
00087         {
00088                 Handler* m_pHandler;
00089                 int m_nScope;
00090                 int m_nLibId;
00091         } ChainItem;
00092 public:
00093         int AddHandler(Handler* pHandler, int nScope, int nLibId);
00094         HandlerChain();
00095         virtual ~HandlerChain();
00096         int Invoke(IMessageData* pMsg);
00097         void OnFault(IMessageData* pMsg);
00098         int GetType(){return CHAIN_HANDLER;};
00099         int Init();
00100         int Fini();
00101 
00102 private:
00103         list<ChainItem> m_HandlerList;
00104         list<ChainItem>::iterator m_itCurrHandler;
00105 };
00106 
00107 #endif // !defined(AFX_HANDLERCHAIN_H__675E51BF_2FD7_4860_B3DE_F8B5A978EB99__INCLUDED_)

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