svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.api / src / main / java / org / gvsig / fmap / geom / type / GeometryType.java @ 40559
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.geom.type; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.GeometryOperation; |
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/**
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* This class represents the type of a geometry. All the geometries
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* has to have a type that can be retrieved using the
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* {@link Geometry}{@link #getGeometryType()} method.
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*
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* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
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*/
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public interface GeometryType { |
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/**
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* @return the name of the geometry type.
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*/
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public String getName(); |
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/**
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* @return the type of the geometry. It is a constant value
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* that has to be one of the values in {@link Geometry.TYPES}
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* The type is an abstract representation of the object (Point, Curve...)
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* but it is not a concrete representation (Point2D, Point3D...).
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*/
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public int getType(); |
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/**
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* @return the subtype of the geometry. It is a constant value
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* that has to be one of the values in {@link Geometry.SUBTYPES}.
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* The subtype represents a set of geometries with a
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* dimensional relationship (2D, 3D, 2DM...)
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*/
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public int getSubType(); |
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/**
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* Check if a geometry type inherits of other type. E.g:
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* the super type of an arc could be a a curve, the super
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* type of a circle could be a surface...
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* @param geometryType
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* the value of the {@link Geometry.TYPES} to check if is
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* it super type
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* @return
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* <true> if the the parameter is a super type of this
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* geometry type
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*/
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public boolean isTypeOf(int geometryType); |
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/**
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* Check if a geometry subType inherits of other subType. E.g:
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* the super Subtype of a geometry 3D could be a geometry 2D,
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* because the 3D extends the behavior of a geometry 2D.
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* @param geometrySubType
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* the value of the {@link Geometry.SUBTYPES} to check if is
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* it super subType
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* @return
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* <true> if the the parameter is a super subType of this
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* geometry type
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*/
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public boolean isSubTypeOf(int geometrySubType); |
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/**
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* Check if a geometry type inherits of other type. E.g:
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* the super type of an arc could be a a curve, the super
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* type of a circle could be a surface...
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*
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* @param geometryType
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* the geometry type to check if is it super type
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* @return
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* if the the parameter is a super type of this
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* geometry type
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*/
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public boolean isTypeOf(GeometryType geometryType); |
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/**
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* Check if a geometry subType inherits of other subType. E.g:
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* the super Subtype of a geometry 3D could be a geometry 2D,
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* because the 3D extends the behavior of a geometry 2D.
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*
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* @param geometryType
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* the geometry type to check if is it super subtype
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* @return
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* if the the parameter is a super subType of this
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* geometry type
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*/
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public boolean isSubTypeOf(GeometryType geometryType); |
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/**
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* This method creates a {@link Geometry} with the type specified
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* by this class. The geometry is empty, and all the internal
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* attributes must be assigned to a value when the geometry has
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* been created.
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*
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* @return
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* A empty geometry
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* @throws InstantiationException
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* This exception is maybe thrown when the application is trying
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* to instantiate the geometry
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* @throws IllegalAccessException
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* This exception is maybe thrown when the application is trying
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* to instantiate the geometry
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*/
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public Geometry create() throws CreateGeometryException; |
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/**
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* Registers an operation for this geometry type.
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* @param index
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* @param geomOp
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*/
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public void setGeometryOperation(int index, GeometryOperation geomOp); |
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/**
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* Get the operation for this geometry at a concrete position
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* @param index
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* The position of the operation
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* @return
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* A geometry operation
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*/
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public GeometryOperation getGeometryOperation(int index); |
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/**
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* @return the geometry as a String
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*/
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public String toString(); |
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} |