describable.cpp
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			#include "specs/describable.h"
			#include "descriptor.h"

			#include <QString>

			#include "skerror.h"

			using namespace symkit;

			Describable::Describable(Descriptor *desc)

			: descriptor(desc)
			{

			}

			Describable::~Describable()
			{
			release();
			}

			void Describable::bind(Descriptor * desc)
			{
			if (!desc)
			throw SKError(ERR_NULL_POINTER,
			"bindDescriptor",
			"symgraph.Descriptable",
			"Cannot bind a null pointer as descriptor");

			descriptor = desc;
			}

			void Describable::release()
			{
			descriptor = 0;
			}

			bool Describable::isBound() const
			{
			return descriptor != 0;
			}

			Descriptor * Describable::getDescriptor()
			{
			return descriptor;
			}

			void Describable::updateDescriptor(float dt)
			{
			descriptor->update(dt);
			}

symkit_prog/symgraph/specs/describable.cppf06b2a64508amaster