TaggedLineSegment.java

/*
* The JTS Topology Suite is a collection of Java classes that
* implement the fundamental operations required to validate a given
* geo-spatial data set to a known topological specification.
*
* Copyright (C) 2001 Vivid Solutions
*
* 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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*
* For more information, contact:
*
*     Vivid Solutions
*     Suite #1A
*     2328 Government Street
*     Victoria BC  V8T 5G5
*     Canada
*
*     (250)385-6040
*     www.vividsolutions.com
*/

package com.vividsolutions.jts.simplify;

import com.vividsolutions.jts.geom.*;

/**
 * A {@link LineSegment} which is tagged with its location in a parent {@link Geometry}.
 * Used to index the segments in a geometry and recover the segment locations
 * from the index.
 */
class TaggedLineSegment
    extends LineSegment
{
  private Geometry parent;
  private int index;

  public TaggedLineSegment(Coordinate p0, Coordinate p1, Geometry parent, int index) {
    super(p0, p1);
    this.parent = parent;
    this.index = index;
  }

  public TaggedLineSegment(Coordinate p0, Coordinate p1) {
    this(p0, p1, null, -1);
  }

  public Geometry getParent() { return parent; }
  public int getIndex() { return index; }
}