1 /** 2 * Copyright 2010 The Kuali Foundation Licensed under the 3 * Educational Community License, Version 2.0 (the "License"); you may 4 * not use this file except in compliance with the License. You may 5 * obtain a copy of the License at 6 * 7 * http://www.osedu.org/licenses/ECL-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, 10 * software distributed under the License is distributed on an "AS IS" 11 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 12 * or implied. See the License for the specific language governing 13 * permissions and limitations under the License. 14 */ 15 16 package org.kuali.student.common.ui.client.mvc; 17 18 /** 19 * 20 * Used to hold a reference to an object in cases where the declared reference needs to be final. 21 * For example, when using anonymous classes for asynchronous callbacks, a Holder can be used for 22 * a mutable value within the callback. 23 * 24 * @author Kuali Student Team 25 * 26 */ 27 public class Holder<T extends Object> { 28 private T value = null; 29 public Holder() { 30 super(); 31 } 32 public Holder(T value) { 33 this.value = value; 34 } 35 public T get() { 36 return value; 37 } 38 public void set(T value) { 39 this.value = value; 40 } 41 }