factory.h File Reference

Generic factory mechanism. More...

#include <geogram/basic/memory.h>
#include <geogram/basic/counted.h>
#include <string>
#include <map>
#include <vector>
#include <typeinfo>

Go to the source code of this file.

Classes
class	GEO::InstanceRepo
	Repository of unique instances. More...
class	GEO::Factory< FactoryCreator >
	Factory of typed objects. More...
struct	GEO::Factory< FactoryCreator >::RegisterCreator< ConcreteType >
	Helper class to register a creator. More...
struct	GEO::FactoryCreator0< Type >
	Factory creator without constructor arguments. More...
class	GEO::Factory0< Type >
	Factory for types without constructor arguments. More...
struct	GEO::FactoryCreator1< Type, Param1 >
	Factory creator with one argument. More...
class	GEO::Factory1< Type, Param1 >
	Factory for types with one constructor argument. More...

Namespaces
namespace	GEO
	Global Vorpaline namespace.

Macros
#define	geo_register_creator(FactoryType, ConcreteType, name)
	Helper macro to register a creator.

Detailed Description

Generic factory mechanism.

Definition in file factory.h.

Macro Definition Documentation

geo_register_creator

#define geo_register_creator	(		FactoryType,
			ConcreteType,
			name
	)

Value:

    static FactoryType::RegisterCreator<ConcreteType>                   \
    CPP_CONCAT(Factory_register_creator_, __LINE__) (name);             \
    geo_argused(CPP_CONCAT(Factory_register_creator_, __LINE__))

Helper macro to register a creator.

This declares a static instance of FactoryType::RegisterCreator to register a ConcreteType creator in FactoryType at program initialization time.

Usage example:

struct MyBaseClass { ... };
typedef Factory<MyBaseClass> MyFactory;
 
struct MyDerivedClass : MyBaseClass { ... };
geo_register_creator(MyFactory, MyDerivedClass, "my_derived_class");

Parameters

[in]	FactoryType	identifies the target Factory
[in]	ConcreteType	the type of the object to create
[in]	name	name of the ConcreteType creator in the Factory

See also

Factory::RegisterCreator

Definition at line 384 of file factory.h.