Class Position

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4	/*
5	* Copyright (c) 2016 Vivid Solutions.
6	*
7	* All rights reserved. This program and the accompanying materials
8	* are made available under the terms of the Eclipse Public License 2.0
9	* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
10	* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v20.html
11	* and the Eclipse Distribution License is available at
12	*
13	* http://www.eclipse.org/org/documents/edl-v10.php.
14	*/
15	package org.locationtech.jts.geomgraph;
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17	/**
18	* A Position indicates the position of a Location relative to a graph component
19	* (Node, Edge, or Area).
20	* @version 1.7
21	*/
22	public class Position {
23
24	/** An indicator that a Location is <i>on</i> a GraphComponent */
25	public static final int ON = 0;
26	/** An indicator that a Location is to the <i>left</i> of a GraphComponent */
27	public static final int LEFT = 1;
28	/** An indicator that a Location is to the <i>right</i> of a GraphComponent */
29	public static final int RIGHT = 2;
30	/**
31	* Returns LEFT if the position is RIGHT, RIGHT if the position is LEFT, or the position
32	* otherwise.
33	*/
34	public static final int opposite(int position)
35	{
36	if (position == LEFT) return RIGHT;
37	if (position == RIGHT) return LEFT;
38	return position;
39	}
40	}
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