1 /*
2 * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
3 * the spring framework, http://el4j.sf.net
4 * Copyright (C) 2008 by ELCA Informatique SA, Av. de la Harpe 22-24,
5 * 1000 Lausanne, Switzerland, http://www.elca.ch
6 *
7 * EL4J is published under the GNU Lesser General Public License (LGPL)
8 * Version 2.1. See http://www.gnu.org/licenses/
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * For alternative licensing, please contact info@elca.ch
16 */
17 package ch.elca.el4j.tests.remoting.service;
18
19 /** This interfaces sole purpose is to be extended by Calculator to
20 * test inheritance in exported remote services.
21 *
22 * @svnLink $Revision: 4083 $;$Date: 2010-01-08 13:32:17 +0100 (Fr, 08. Jan 2010) $;$Author: jonasha $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/tests/remoting/web/jar/src/main/java/ch/elca/el4j/tests/remoting/service/CalculatingMachine.java $
23 *
24 * @author Daniel Thomas (DTH)
25 */
26 public interface CalculatingMachine {
27
28
29 /** This method returns an approximation of PI.
30 *
31 * @return an approximation of PI.
32 */
33 public float getPI();
34
35 /** This method takes the radius of a circle and computes its Area.
36 *
37 * @param r
38 * Is the radius of the circle.
39 * @return Returns the area of the circle.
40 */
41 public double getAreaOfCircle(double r);
42
43 /** This method prints PI to the screen.
44 *
45 */
46 public void printPIToScreen();
47
48 }