Application: gvSIG desktop

 * This class represents the type of a geometry. All the geometries

 * has to have a type that can be retrieved using the 

 * 

public interface GeometryType  {

	/**

	 * @return the name of the geometry type.

	 */

	public String getName();

        /**

         * Return the full name of this geometry type.

         * It include the type name and the subtype name.

         * 

         * @return the full name of the geometry type

         */

        public String getFullName();

	/**

	 * @return the type of the geometry. It is a constant value

	 * that has to be one of the values in {@link Geometry.TYPES}

	 * The type is an abstract representation of the object (Point, Curve...) 

	 * but it is not a concrete representation (Point2D, Point3D...). 

	 */

	public int getType();	

	/**

	 * @return the subtype of the geometry. It is a constant value

	 * that has to be one of the values in {@link Geometry.SUBTYPES}.

	 * The subtype represents a set of geometries with a 

	 * dimensional relationship (2D, 3D, 2DM...)

	 */

	public int getSubType();

	/**

	 * Check if a geometry type inherits of other type. E.g:

	 * the super type of an arc could be a a curve, the super 

	 * type of a circle could be a surface...

	 * @param geometryType

	 * the value of the {@link Geometry.TYPES} to check if is 

	 * it super type

	 * @return

	 * <true> if the the parameter is a super type of this

	 * geometry type

	 */

	public boolean isTypeOf(int geometryType);

	/**

     * Check if a geometry subType inherits of other subType. E.g:

     * the super Subtype of a geometry 3D could be a geometry 2D, 

     * because the 3D extends the behavior of a geometry 2D.

     * @param geometrySubType

     * the value of the {@link Geometry.SUBTYPES} to check if is 

     * it super subType

     * @return

     * <true> if the the parameter is a super subType of this

     * geometry type

	public boolean isSubTypeOf(int geometrySubType);

     * Check if a geometry type inherits of other type. E.g:

     * the super type of an arc could be a a curve, the super

     * type of a circle could be a surface...

     * 

     * @param geometryType

     *            the geometry type to check if is it super type

     * @return

     *         if the the parameter is a super type of this

     *         geometry type

     * Check if a geometry subType inherits of other subType. E.g:

     * the super Subtype of a geometry 3D could be a geometry 2D,

     * because the 3D extends the behavior of a geometry 2D.

     * 

     * @param geometryType

     *            the geometry type to check if is it super subtype

     * @return

     *         if the the parameter is a super subType of this

     *         geometry type

	/**

	 * This method creates a {@link Geometry} with the type specified 

	 * by this class. The geometry is empty, and all the internal 

	 * attributes must be assigned to a value when the geometry has  

	 * been created.

	 * 

	 * @return

	 * A empty geometry 

	 * @throws InstantiationException

	 * This exception is maybe thrown when  the application is  trying 

	 * to instantiate the geometry

	 * @throws IllegalAccessException

	 * This exception is maybe thrown when  the application is  trying 

	 * to instantiate the geometry

	 */

	public Geometry create() throws CreateGeometryException;

	/**

	 * Registers an operation for this geometry type. 

	 * @param index

	 * @param geomOp

	 */

	public void setGeometryOperation(int index, GeometryOperation geomOp);

	/**

	 * Get the operation for this geometry at a concrete position

	 * @param index

	 * The position of the operation

	 * @return

	 * A geometry operation

	 */

	public GeometryOperation getGeometryOperation(int index);

	/**

	 * @return the geometry as a String

	 */

	public String toString();

        public int getDimension();