Referenced.h

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#ifndef OPENHRP_UTIL_REFERENCED_H_INCLUDED
#define OPENHRP_UTIL_REFERENCED_H_INCLUDED
 
#include <boost/intrusive_ptr.hpp>
 
namespace hrp {
    class Referenced;
    void intrusive_ptr_add_ref(Referenced* obj);
    void intrusive_ptr_release(Referenced* obj);
    
    class Referenced
    {
      public:
        Referenced() { refCounter_ = 0; }
        virtual ~Referenced() { }
 
    protected:
        int refCounter() { return refCounter_; }
 
      private:
        friend void intrusive_ptr_add_ref(Referenced* obj);
        friend void intrusive_ptr_release(Referenced* obj);
 
        int refCounter_;
    };
 
    inline void intrusive_ptr_add_ref(hrp::Referenced* obj){
        obj->refCounter_++;
    }
 
    inline void intrusive_ptr_release(hrp::Referenced* obj){
        obj->refCounter_--;
        if(obj->refCounter_ == 0){
            delete obj;
        }
    }
};
 
#endif