1 /***
2 * Ambient - A music player for the Android platform
3 Copyright (C) 2007 Martin Vysny
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 package sk.baka.ambient.commons;
20
21 import java.lang.ref.Reference;
22
23 /***
24 * Refers to an object. Contrary to {@link Reference} the object will never be
25 * spuriously set to <code>null</code>.
26 *
27 * @param <T>
28 * the type of the object being referred to.
29 * @author Martin Vysny
30 */
31 public interface Ref<T> {
32 /***
33 * Returns referred object.
34 *
35 * @return referred object.
36 */
37 T get();
38 }