| # Gaudi Framework, version v25r0 |

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IEvtSelector.h
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1 //$Header: /tmp/svngaudi/tmp.jEpFh25751/Gaudi/GaudiKernel/GaudiKernel/IEvtSelector.h,v 1.5 2006/11/30 15:22:07 dquarrie Exp $
2 #ifndef GAUDIKERNEL_IEVTSELECTOR_H
3 #define GAUDIKERNEL_IEVTSELECTOR_H 1
4
5 // Include files
6 #include "GaudiKernel/IInterface.h"
7 #include "GaudiKernel/IOpaqueAddress.h"
8 #include "GaudiKernel/StatusCode.h"
9 #include <string>
10
19 class GAUDI_API IEvtSelector: virtual public IInterface {
20 public:
22 DeclareInterfaceID(IEvtSelector,2,0);
23
24 class Context{
25 public:
26 virtual ~Context() { }
27 virtual void* identifier() const=0;
28 };
29
35 virtual StatusCode createContext(Context*& c) const = 0;
36
44 virtual StatusCode next(Context& c) const = 0;
45
51 virtual StatusCode next(Context& c,int jump) const = 0;
52
59 virtual StatusCode previous(Context& c) const = 0;
60
66 virtual StatusCode previous(Context& c,int jump) const = 0;
67
71 virtual StatusCode last(Context& refContext) const = 0;
72
78 virtual StatusCode rewind(Context& c) const = 0;
79
86 virtual StatusCode createAddress(const Context& c,IOpaqueAddress*& iop) const = 0;
87
92 virtual StatusCode releaseContext(Context*&)const=0;
93
100 virtual StatusCode resetCriteria(const std::string& cr,Context& c)const=0;
101 };
102
103 #endif //GAUDIKERNEL_IEVTSELECTOR_H