001    /*
002      Copyright (C) 2002 Laurent Martelli <laurent@aopsys.com>
003    
004      This program is free software; you can redistribute it and/or modify
005      it under the terms of the GNU Lesser General Public License as
006      published by the Free Software Foundation; either version 2 of the
007      License, or (at your option) any later version.
008    
009      This program is distributed in the hope that it will be useful,
010      but WITHOUT ANY WARRANTY; without even the implied warranty of
011      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012      GNU Lesser General Public License for more details.
013    
014      You should have received a copy of the GNU Lesser General Public License
015      along with this program; if not, write to the Free Software
016      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
017    
018    package org.objectweb.jac.aspects.integrity;
019    
020    import org.objectweb.jac.core.rtti.FieldItem;
021    
022    
023    public class Constraint {
024       public static final int DELETE_CASCADE = 0;
025       public static final int SET_NULL = 1;
026       public static final int FORBIDDEN = 2;
027    
028       public FieldItem relation;
029       public int constraint;
030       public Constraint(FieldItem relation, int constraint) {
031          this.relation = relation;
032          this.constraint = constraint;
033       }
034       public static String constraintToString(int constraint) {
035          switch (constraint) {
036             case DELETE_CASCADE:
037                return "DELETE_CASCADE";
038             case SET_NULL:
039                return "SET_NULL";
040             case FORBIDDEN:
041                return "FORBIDDEN";
042             default:
043                return "???";
044          }
045       }
046       public String toString() {
047          return "("+relation.getLongName()+","+constraintToString(constraint)+")";
048       }
049    }
050