Constraint.java Source File

00001 package edu.ksu.cis.bandera.abstraction.typeinference;
00002 
00003 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
00004  * Bandera, a Java(TM) analysis and transformation toolkit           *
00005  * Copyright (C) 1998, 1999, 2000   Shawn Laubach (laubach@acm.org)  *
00006  * All rights reserved.                                              *
00007  *                                                                   *
00008  * This work was done as a project in the SAnToS Laboratory,         *
00009  * Department of Computing and Information Sciences, Kansas State    *
00010  * University, USA (http://www.cis.ksu.edu/santos).                  *
00011  * It is understood that any modification not identified as such is  *
00012  * not covered by the preceding statement.                           *
00013  *                                                                   *
00014  * This work is free software; you can redistribute it and/or        *
00015  * modify it under the terms of the GNU Library General Public       *
00016  * License as published by the Free Software Foundation; either      *
00017  * version 2 of the License, or (at your option) any later version.  *
00018  *                                                                   *
00019  * This work is distributed in the hope that it will be useful,      *
00020  * but WITHOUT ANY WARRANTY; without even the implied warranty of    *
00021  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU *
00022  * Library General Public License for more details.                  *
00023  *                                                                   *
00024  * You should have received a copy of the GNU Library General Public *
00025  * License along with this toolkit; if not, write to the             *
00026  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,      *
00027  * Boston, MA  02111-1307, USA.                                      *
00028  *                                                                   *
00029  * Java is a trademark of Sun Microsystems, Inc.                     *
00030  *                                                                   *
00031  * To submit a bug report, send a comment, or get the latest news on *
00032  * this project and other SAnToS projects, please visit the web-site *
00033  *                http://www.cis.ksu.edu/santos                      *
00034  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
00035 public class Constraint {
00036     protected TypeVariable left;
00037     protected TypeVariable right;
00038 /**
00039  * Insert the method's description here.
00040  * Creation date: (1/19/00 9:06:02 PM)
00041  * @param left edu.ksu.cis.bandera.abps.typing.Node
00042  * @param right edu.ksu.cis.bandera.abps.typing.Node
00043  */
00044 public Constraint(TypeVariable left, TypeVariable right) {
00045     this.left = left;
00046     this.right = right;
00047 }
00048 /**
00049  * Insert the method's description here.
00050  * Creation date: (8/17/00 9:05:08 PM)
00051  * @return edu.ksu.cis.bandera.abps.typing.TypeVariable
00052  */
00053 public TypeVariable getLeft() {
00054     return left;
00055 }
00056 /**
00057  * Insert the method's description here.
00058  * Creation date: (8/17/00 9:05:21 PM)
00059  * @return edu.ksu.cis.bandera.abps.typing.TypeVariable
00060  */
00061 public TypeVariable getRight() {
00062     return right;
00063 }
00064 /**
00065  * Insert the method's description here.
00066  * Creation date: (8/17/00 9:05:08 PM)
00067  * @param newLeft edu.ksu.cis.bandera.abps.typing.TypeVariable
00068  */
00069 public void setLeft(TypeVariable newLeft) {
00070     left = newLeft;
00071 }
00072 /**
00073  * Insert the method's description here.
00074  * Creation date: (8/17/00 9:05:21 PM)
00075  * @param newRight edu.ksu.cis.bandera.abps.typing.TypeVariable
00076  */
00077 public void setRight(TypeVariable newRight) {
00078     right = newRight;
00079 }
00080 /**
00081  * Returns a String that represents the value of this object.
00082  * @return a string representation of the receiver
00083  */
00084 public String toString() {
00085     return left + " ** " + right;
00086 }
00087 }