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GetAlg.h
Go to the documentation of this file.
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#ifndef GAUDIALG_GETALG_H
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#define GAUDIALG_GETALG_H 1
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// ============================================================================
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// Include files
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// ============================================================================
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#include <type_traits>
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// ============================================================================
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// GaudiKernel
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// ============================================================================
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#include "
GaudiKernel/IAlgorithm.h
"
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// ============================================================================
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// forward declarations
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// ============================================================================
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class
IAlgContextSvc
;
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// ============================================================================
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namespace
Gaudi
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{
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namespace
Utils
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{
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// ========================================================================
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class
GAUDI_API
AlgSelector
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{
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public
:
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virtual
bool
operator()
(
const
IAlgorithm
* )
const
= 0;
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// virtual destructor
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virtual
~
AlgSelector
() =
default
;
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};
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// ========================================================================
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template
<
class
TYPE>
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class
GAUDI_API
AlgTypeSelector
:
public
AlgSelector
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{
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public
:
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bool
operator()
(
const
IAlgorithm
* a )
const override
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{
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using
TYPE_ = std::decay_t<TYPE>;
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using
CTYPE
= std::add_const_t<TYPE_>;
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using
cptr = std::add_pointer_t<CTYPE>;
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return
dynamic_cast<
cptr
>
( a );
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}
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};
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// ========================================================================
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class
GAUDI_API
AlgNameSelector
:
public
AlgSelector
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{
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public
:
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AlgNameSelector
() =
delete
;
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AlgNameSelector
(
std::string
name
) : m_name(
std
::move( name ) ) {}
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bool
operator()
(
const
IAlgorithm
* a )
const override
{
return
a && a->name() == m_name; }
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private
:
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// algorithm name
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std::string
m_name
;
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};
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// ========================================================================
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}
// end of namespace Gaudi::Utils
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}
// end of namespace Gaudi
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// ============================================================================
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namespace
Gaudi
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{
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namespace
Utils
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{
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// ========================================================================
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GAUDI_API
IAlgorithm
*
getAlgorithm
(
const
IAlgContextSvc
* svc,
const
AlgSelector
&
sel
);
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// ========================================================================
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GAUDI_API
IAlgorithm
*
getAlgorithm
(
const
std::vector<IAlgorithm*>
& lst,
const
AlgSelector
& sel );
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// ========================================================================
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}
// end of namespace Gaudi::Utils
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}
// end of namespace Gaudi
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// ============================================================================
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// The END
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// ============================================================================
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#endif // GAUDIALG_GETALG_H
gaudiComponentHelp.name
name
Definition:
gaudiComponentHelp.py:32
Gaudi::Utils::AlgNameSelector
The trivial selector of algorithm by type.
Definition:
GetAlg.h:61
IAlgorithm.h
IOTest.sel
sel
Definition:
IOTest.py:95
std
STL namespace.
Gaudi::Utils::AlgTypeSelector::operator()
bool operator()(const IAlgorithm *a) const override
the only one essential method:
Definition:
GetAlg.h:46
std::type_info
std::string
STL class.
Gaudi::Utils::getAlgorithm
GAUDI_API IAlgorithm * getAlgorithm(const IAlgContextSvc *svc, const AlgSelector &sel)
simple function to get the algorithm from Context Service
Definition:
GetAlg.cpp:24
Gaudi::Utils::AlgNameSelector::operator()
bool operator()(const IAlgorithm *a) const override
the only one essential method:
Definition:
GetAlg.h:68
IAlgorithm
The IAlgorithm is the interface implemented by the Algorithm base class.
Definition:
IAlgorithm.h:28
Gaudi::Utils::AlgTypeSelector
The trivial selector of algorithm by type.
Definition:
GetAlg.h:42
Gaudi::Utils::AlgNameSelector::AlgNameSelector
AlgNameSelector(std::string name)
constructor form the name
Definition:
GetAlg.h:66
std::vector< IAlgorithm * >
Gaudi::Functional::operator()
virtual Out operator()(const vector_of_const_< In > &inputs) const =0
IAlgContextSvc
An abstract interface for Algorithm Context Service.
Definition:
IAlgContextSvc.h:23
Gaudi::Utils::AlgSelector
Simple interface class for selection of algorithms.
Definition:
GetAlg.h:26
GAUDI_API
#define GAUDI_API
Definition:
Kernel.h:104
Gaudi
Helper functions to set/get the application return code.
Definition:
__init__.py:1
Gaudi::Utils::AlgNameSelector::m_name
std::string m_name
algorithm name
Definition:
GetAlg.h:72
GaudiAlg
GaudiAlg
GetAlg.h
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