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Selector.h
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1 //====================================================================
2 // NTuple name space: Selector class definition
3 //--------------------------------------------------------------------
4 //
5 // Package : Gaudi/NTupleSvc ( The LHCb Offline System)
6 // Author : M.Frank
7 //
8 // +---------+----------------------------------------------+--------+
9 // | Date | Comment | Who |
10 // +---------+----------------------------------------------+--------+
11 // | 10/10/00| Initial version. | MF |
12 // +---------+----------------------------------------------+--------+
13 //====================================================================
14 #ifndef GAUDI_NTUPLESVC_SELECTOR_H
15 #define GAUDI_NTUPLESVC_SELECTOR_H 1
16
17 // Framework include files
18 #include "GaudiKernel/SelectStatement.h"
19
20 // Forward declarations
21 namespace NTuple
22 {
23 class Tuple;
24 }
25
26 namespace NTuple
27 {
28
31 class GAUDI_API Selector : public SelectStatement
32 {
33 protected:
35 IInterface* m_parent;
37 bool m_firstCall;
39 StatusCode m_status;
40
41 public:
43 Selector( IInterface* svc ) : m_parent( svc ), m_firstCall( true ) {}
45 virtual ~Selector() = default;
47 bool firstCall() const { return m_firstCall; }
49 StatusCode initResult() const { return m_status; }
51 bool operator()( void* nt ) override;
53 virtual bool operator()( NTuple::Tuple* nt );
55 virtual StatusCode initialize( NTuple::Tuple* nt );
56 };
57 }
58 #endif // GAUDI_NTUPLESVC_SELECTOR_H
NTuple::Selector::initResult
StatusCode initResult() const
Access initialization status.
Definition: Selector.h:49
NTuple::Selector::Selector
Selector(IInterface *svc)
Standard constructor.
Definition: Selector.h:43
NTuple
NTuple name space.
Definition: INTupleSvc.h:9
NTuple::Selector::m_firstCall
bool m_firstCall
Boolean to indicate need for initialization.
Definition: Selector.h:37
NTuple::Selector::m_status
StatusCode m_status
StatusCode indication initialization result.
Definition: Selector.h:39
NTuple::Selector::m_parent
IInterface * m_parent
reference to parent interface
Definition: Selector.h:35
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:26
IInterface
Definition of the basic interface.
Definition: IInterface.h:277
SelectStatement.h
NTuple::Tuple
Abstract base class which allows the user to interact with the actual N tuple implementation.
Definition: NTuple.h:412
NTuple::Selector
NTuple Selector class.
Definition: Selector.h:31
Gaudi::Functional::operator()
virtual Out operator()(const vector_of_const_< In > &inputs) const =0
NTuple::Selector::firstCall
bool firstCall() const
Check for first call.
Definition: Selector.h:47
SelectStatement
Class of a selection statement.
Definition: SelectStatement.h:44
GAUDI_API
#define GAUDI_API
Definition: Kernel.h:110
GaudiPython.GaudiAlgs.Tuple
Tuple
Definition: GaudiAlgs.py:1130