1 /*
2 * Copyright (C) 2015, Ivan Motsch <ivan.motsch@bsiag.com>
3 *
4 * This program and the accompanying materials are made available
5 * under the terms of the Eclipse Distribution License v1.0 which
6 * accompanies this distribution, is reproduced below, and is
7 * available at http://www.eclipse.org/org/documents/edl-v10.php
8 *
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials provided
21 * with the distribution.
22 *
23 * - Neither the name of the Eclipse Foundation, Inc. nor the
24 * names of its contributors may be used to endorse or promote
25 * products derived from this software without specific prior
26 * written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
29 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
30 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
31 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
33 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
35 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
36 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
37 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
39 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
40 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 */
42 package org.eclipse.jgit.util;
43
44 /**
45 * Holder of an object.
46 *
47 * @param <T>
48 * the type of value held by this {@link Holder}
49 *
50 * @since 4.3
51 */
52 public class Holder<T> {
53 private T value;
54
55 /**
56 * @param value
57 * is the initial value that is {@link #set(Object)}
58 */
59 public Holder(T value) {
60 set(value);
61 }
62
63 /**
64 * @return the value held by this {@link Holder}
65 */
66 public T get() {
67 return value;
68 }
69
70 /**
71 * @param value
72 * to be set as new value held by this {@link Holder}
73 */
74 public void set(T value) {
75 this.value = value;
76 }
77 }