Mathias Froehlich
8c78588ee1
Take two. The ModelRegistry's are already derived from osg::Referenced. So also introduce the osg dependent version in simgear/scene/util.
29 lines
552 B
C++
29 lines
552 B
C++
#ifndef SIMGEAR_SINGLETON_HXX
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#define SIMGEAR_SINGLETON_HXX 1
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#include "singleton.hpp"
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namespace simgear
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{
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/**
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* Class that supplies the address of a singleton instance. This class
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* can be inherited by its Class argument in order to support the
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* instance() method in that class.
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*/
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template <typename Class>
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class Singleton
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{
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protected:
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Singleton() {}
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public:
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static Class* instance()
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{
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Class& singleton
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= boost::details::pool::singleton_default<Class>::instance();
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return &singleton;
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}
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};
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}
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#endif
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