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Java > Open Source Codes > org > objectweb > jac > aspects > integrity > Constraint


1 /*
2   Copyright (C) 2002 Laurent Martelli <laurent@aopsys.com>
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU Lesser General Public License as
6   published by the Free Software Foundation; either version 2 of the
7   License, or (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12   GNU Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public License
15   along with this program; if not, write to the Free Software
16   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
17
18 package org.objectweb.jac.aspects.integrity;
19
20 import org.objectweb.jac.core.rtti.FieldItem;
21
22
23 public class Constraint {
24    public static final int DELETE_CASCADE = 0;
25    public static final int SET_NULL = 1;
26    public static final int FORBIDDEN = 2;
27
28    public FieldItem relation;
29    public int constraint;
30    public Constraint(FieldItem relation, int constraint) {
31       this.relation = relation;
32       this.constraint = constraint;
33    }
34    public static String JavaDoc constraintToString(int constraint) {
35       switch (constraint) {
36          case DELETE_CASCADE:
37             return "DELETE_CASCADE";
38          case SET_NULL:
39             return "SET_NULL";
40          case FORBIDDEN:
41             return "FORBIDDEN";
42          default:
43             return "???";
44       }
45    }
46    public String JavaDoc toString() {
47       return "("+relation.getLongName()+","+constraintToString(constraint)+")";
48    }
49 }
50
51
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