#ifndef XDMFGRIDUNSTRUCTURED_HPP_
#define XDMFGRIDUNSTRUCTURED_HPP_

// Includes
#include "XdmfGrid.hpp"

/**
 * @brief A mesh containing elements, points, and fields attached to the mesh.
 *
 * XdmfGrid represents a mesh.  It is required to contain two other Xdmf data structures, an XdmfGeometry
 * that stores point locations and an XdmfTopology that store connectivity information.  XdmfAttributes can be inserted
 * into the XdmfGrid to specify fields centered on various parts of the mesh.  XdmfSets can be inserted into XdmfGrids
 * to specify collections of mesh elements.
 */
class XdmfGridUnstructured : public XdmfGrid {

public:

	/**
	 * Create a new XdmfGridUnstructured.
	 *
	 * @return constructed XdmfGridUnstructured.
	 */
	static boost::shared_ptr<XdmfGridUnstructured> New();

	virtual ~XdmfGridUnstructured();

	static const std::string ItemTag;

	/**
	 * Get the geometry associated with this grid.
	 *
	 * @return the geometry associated with this grid.
	 */
	boost::shared_ptr<XdmfGeometry> getGeometry();

	virtual std::string getItemTag() const;

	/**
	 * Get the topology associated with this grid.
	 *
	 * @return the topology associated with this grid.
	 */
	boost::shared_ptr<XdmfTopology> getTopology();

	/**
	 * Set the geometry associated with this grid.
	 *
	 * @param geometry an XdmfGeometry to associate with this grid.
	 */
	void setGeometry(const boost::shared_ptr<XdmfGeometry> geometry);

	/**
	 * Set the topology associated with this grid.
	 *
	 * @param topology an XdmfTopology to associate with this grid.
	 */
	void setTopology(const boost::shared_ptr<XdmfTopology> topology);

protected:

	XdmfGridUnstructured();

private:

	XdmfGridUnstructured(const XdmfGridUnstructured & grid);  // Not implemented.
	void operator=(const XdmfGridUnstructured & grid);  // Not implemented.

};

#endif /* XDMFGRID_HPP_ */