/usr/include/BALL/CONCEPT/factory.h is in libball1.4-dev 1.4.3~beta1-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | // -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//
#ifndef BALL_CONCEPT_FACTORY_H
#define BALL_CONCEPT_FACTORY_H
#ifndef BALL_COMMON_H
# include <BALL/common.h>
#endif
namespace BALL
{
/** Factory class.
The factory class is used to create objects of the type it
was parameterized with.
\par
\ingroup ConceptsMiscellaneous
*/
template <typename T>
class Factory
{
public:
/// Return a pointer to a new instance of T
static T* create() { return new T; }
/// Return a void pointer to a new instance of T
static void* createVoid() { return (void*)new T; }
/// Return a reference to a (pre-instantiated) default object
static const T& getDefault()
{
static T default_instance;
return default_instance;
}
};
}
#endif // BALL_CONCEPT_FACTORY_H
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