/*
 *  Copyright (C) 2009  E.Albert, P.Arenas, S.Genaim, G.Puebla, and D.Zanardini
 *                      https://costa.ls.fi.upm.es
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 */
package pubs;
/**
 * This class illustrates dynamic dispatch
 * 
 * @author E.Albert, P.Arenas, S.Genaim, and G.Puebla
 * @costaContext pubs.A pubs.B pubs.C
 */
public class Incr {

	/**
	 * The loop in this method iterates a number of times which depends on
	 * the run-time type of o
	 * @param n
	 * @param o is an object which can be of any of classes A, B, or C
	 * @return
	 */
	int add(int n,A o){
		int res=0;
		int i=0;
		while (i<=n){
			res=res+i;
			i=o.incr(i);
		}    
		return res;
	};

	public static void main(String[] args) {

		// First test
		int test = 10;
		Incr testClass = new Incr();
		A c = new A();
		int result = testClass.add(test,c);
		System.out.println("Result: "+result);

		/*	// Second test
		test = 50;
		testClass = new Incr();
		c = new C();
		result = testClass.add(test,(B)c);
		System.out.println("Result: "+result);

		// Third test
		test = 100;
		testClass = new Incr();
		c = new C();
		result = testClass.add(test,(B)c);
		System.out.println("Result: "+result);
		*/
	}
}