/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.graph.structure.line;
import org.geotools.graph.structure.opt.OptDirectedNode;
import com.vividsolutions.jts.geom.Coordinate;
/**
* Optimized implementation of XYNode extended from OptDirectedNode. Instead of
* storing an underlying coordinate object, only a set of (x,y) values are
* stored eliminating the storage of additional oordinate dimensions.
*
* @see org.geotools.graph.structure.opt.OptDirectedNode
*
* @author Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net
*
*
* @source $URL$
*/
public class OptDirectedXYNode extends OptDirectedNode implements XYNode {
/** x value of coordinate **/
private double m_x;
/** y value of coordinate **/
private double m_y;
/**
* This method creates a new Coordinate object upon each call.
*
* @see XYNode#getCoordinate()
*/
public Coordinate getCoordinate() {
return(new Coordinate(m_x, m_y));
}
/**
* This method strips only the x and y ordinates from the Coordinate object
* and stores them.
*
* @see XYNode#setCoordinate(Coordinate)
*/
public void setCoordinate(Coordinate c) {
m_x = c.x;
m_y = c.y;
}
}