position.java

蚁群聚类的java源码ant colony clustering by java

/*  
    Copyright (C) 2004 Julia Handl
    Email: [e-mail]

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

/*****************************************************************
	Julia Handl - 18004385
	Monash University, 1.7.2001

	File: Position.java
	Package: JavaAnts

	Description:

	* Represents a poition on the grid
	
                                                                                                                        	
*****************************************************************/

package javaants;

import java.io.*;
import java.lang.*;

/** A two dimensional position on the grid */
public class Position implements Serializable {
	private int x;
	private int y;

	/** Constructor with provided coordinate values
	* @param x x-coordinate
	* @param y y-coordinate
	*/
	public Position(int y, int x) {
		this.y = y;
		this.x = x;
	}
	/** Default constructor, initialising position to (0, 0) */
	public Position() {
		this.y = 0;
		this.x = 0;
	}

	/** Get x coordinate
	* @return x-coordinate
	*/
	public int getX() {
		return this.x;
	}

	/** Get y coordinate
	* @return y-coordinate
	*/
	public int getY() {
		return this.y;
	}

	/** Change coordinates
	* @param x new x-coordinate
	* @param y new y-coordinate
	*/
	public void set(int y, int x) {
		this.x = x;
		this.y = y;
	}

	/** Overwrite current position
	* @param pos new position
	*/
	public void set(Position pos) {
		this.y = pos.getY();
		this.x = pos.getX();
	}

	/** Translate position
	* @param y translation in y direction
	* @param x translation in x direction
	*/

	public void move(int y, int x) {
		this.y += y;
		this.x += x;
	}

}