/**

  * Copyright 2010 The Kuali Foundation Licensed under the

  * Educational Community License, Version 2.0 (the "License"); you may

  * not use this file except in compliance with the License. You may

  * obtain a copy of the License at

  *

  * http://www.osedu.org/licenses/ECL-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an "AS IS"

  * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express

  * or implied. See the License for the specific language governing

  * permissions and limitations under the License.

  */

 package org.kuali.student.common.ui.client.widgets.table;

 import org.kuali.student.common.ui.client.widgets.rules.Token;

 public  class ExpressionNode implements Cloneable{

     Token token;

     String expression;

     public String toString(){

         return expression;

     }

     public ExpressionNode clone(){

         ExpressionNode e = new ExpressionNode();

         e.expression = expression;

         e.token = token;

         return e;

     } 

 }