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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  }