describable.h
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			#ifndef DESCRIPTABLE_H
			#define DESCRIPTABLE_H

			class Descriptor;

			class Describable
			{

			public:

			// give a descriptor specification inheriting this class
			Describable(Descriptor* desc = 0);

			virtual ~Describable();

			void bind(Descriptor *);

			void release();

			bool isBound() const;

			Descriptor * getDescriptor();

			/*
			* Evolution method
			* Check for bound state before calling
			* this function !
			*/
			void updateDescriptor(float dt);

			/* virtual state check method */
			virtual bool isRunningDescriptor() const = 0;

			protected:

			/*
			* Warning!
			* This method is not type safe, use with consciousness
			*/
			template<class T>
			T * cast_descriptor()
			{
			return static_cast<T*>(descriptor);
			}

			template<class T>
			const T * cast_descriptor() const
			{
			return static_cast<T*>(descriptor);
			}

			private:

			Descriptor * descriptor;
			};

			#endif

symkit_prog/symgraph/specs/describable.hf06b2a64508aancarola