Collaborator.java :  » Workflow-Engines » osbl-1_0 » org » concern » model » Java Open Source

/*
 * $Id: Collaborator.java 562 2005-10-24 19:03:40Z hengels $
 * (c) Copyright 2004 con:cern development team.
 *
 * This file is part of con:cern (http://concern.org).
 *
 * con:cern 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.
 *
 * Please see COPYING for the complete licence.
 */
package org.concern.model;



public class Collaborator
    extends Element
{
    public static final int ONE_TO_ONE = 0;
    public static final int ONE_TO_MANY = 1;
    public static final int MANY_TO_ONE = 2;
    public static final int MANY_TO_MANY = 3;

    String implementation = "";
    int cardinality;

    public Collaborator() {
        super(null);
    }

    public Collaborator(String name) {
        super(name);
    }

    public int getCardinality() {
        return cardinality;
    }

    public void setCardinality(int cardinality) {
        if (cardinality < 0 || cardinality > 3)
            throw new IllegalArgumentException("ONE_TO_ONE, ONE_TO_MANY, MANY_TO_ONE or MANY_TO_MANY");
        int old = this.cardinality;
        this.cardinality = cardinality;
        changes.firePropertyChange("cardinality", old, cardinality);
    }
}