Geant4-11
source
physics_lists
constructors
factory
include
G4PhysicsConstructorFactory.hh
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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#ifndef G4PhysicsConstructorFactory_h
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#define G4PhysicsConstructorFactory_h 1
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#include "
globals.hh
"
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#include "
G4PhysicsConstructorRegistry.hh
"
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#include "
G4VPhysicsConstructor.hh
"
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class
G4VBasePhysConstrFactory
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{
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public
:
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virtual
G4VPhysicsConstructor
*
Instantiate
() = 0;
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};
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template
<
typename
T>
class
G4PhysicsConstructorFactory
:
public
G4VBasePhysConstrFactory
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{
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public
:
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G4PhysicsConstructorFactory
(
const
G4String
&
name
)
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{
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G4PhysicsConstructorRegistry::Instance
()->
AddFactory
(
name
,
this
);
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}
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virtual
G4VPhysicsConstructor
*
Instantiate
()
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{
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return
new
T();
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}
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};
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#define G4_DECLARE_PHYSCONSTR_FACTORY(physics_constructor) \
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const G4PhysicsConstructorFactory<physics_constructor>& physics_constructor##Factory = G4PhysicsConstructorFactory<physics_constructor>(#physics_constructor)
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// support for phys constructors defined within a namespace
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// a bit tricky due to cpp macro expansion and the use of "::"
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// use G4_DECLARE_PHYSCONSTR_FACTORY_NS( myns::MyProc, myns, MyProc );
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#define G4_DECLARE_PHYSCONSTR_FACTORY_NS( physics_constructor, nsname, pcbase ) \
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namespace nsname { \
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const G4PhysicsConstructorFactory<physics_constructor>& pcbase##Factory = G4PhysicsConstructorFactory<physics_constructor>(#physics_constructor); \
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} \
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typedef int xyzzy__LINE__
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// eat trailing semicolon using silly typedef
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// REFERENCE (rather than DECLARE) when the physics constructor if it is part
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// of a static library. No need to include the header (DECLARE needs this
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// to build the code), we just need to make a reference in order to pull
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// the compilation unit static variable from the library and cause it
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// to be initialized (and thus self-register)
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// Use REGREF to allow cases where REFERENCE macro is used twice
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#ifndef REGREF
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#define REGREF 0
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#endif
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#define G4_REFERENCE_PHYSCONSTR_FACTORY(physics_constructor) \
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class physics_constructor; \
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extern const G4PhysicsConstructorFactory<physics_constructor>& physics_constructor##Factory; \
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const G4PhysicsConstructorFactory<physics_constructor>& physics_constructor##FactoryRef##REGREF = physics_constructor##Factory
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#define G4_REFERENCE_PHYSCONSTR_FACTORY_NS( physics_constructor, nsname, pcbase ) \
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namespace nsname { \
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class pcbase; \
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extern const G4PhysicsConstructorFactory<physics_constructor>& pcbase##Factory; \
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const G4PhysicsConstructorFactory<physics_constructor>& pcbase##FactoryRef##REGREF = pcbase##Factory; \
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} \
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typedef int xyzzy__LINE__
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// eat trailing semicolon using silly typedef
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#endif
G4PhysicsConstructorRegistry.hh
G4VPhysicsConstructor.hh
G4PhysicsConstructorFactory
Definition:
G4PhysicsConstructorFactory.hh:45
G4PhysicsConstructorFactory::G4PhysicsConstructorFactory
G4PhysicsConstructorFactory(const G4String &name)
Definition:
G4PhysicsConstructorFactory.hh:48
G4PhysicsConstructorFactory::Instantiate
virtual G4VPhysicsConstructor * Instantiate()
Definition:
G4PhysicsConstructorFactory.hh:53
G4PhysicsConstructorRegistry::AddFactory
void AddFactory(G4String, G4VBasePhysConstrFactory *)
Definition:
G4PhysicsConstructorRegistry.cc:111
G4PhysicsConstructorRegistry::Instance
static G4PhysicsConstructorRegistry * Instance()
Definition:
G4PhysicsConstructorRegistry.cc:53
G4String
Definition:
G4String.hh:62
G4VBasePhysConstrFactory
Definition:
G4PhysicsConstructorFactory.hh:35
G4VBasePhysConstrFactory::Instantiate
virtual G4VPhysicsConstructor * Instantiate()=0
G4VPhysicsConstructor
Definition:
G4VPhysicsConstructor.hh:109
globals.hh
G4InuclParticleNames::name
const char * name(G4int ptype)
Definition:
G4InuclParticleNames.hh:76
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