1/**
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.broadcastradio.hal2;
18
19/**
20 * A wrapper class for mutable objects to be used in non-mutable contexts
21 * (i.e. final variables catched in lambda closures).
22 *
23 * @param <E> type of boxed value.
24 */
25final class Mutable<E> {
26    /**
27     * A mutable value.
28     */
29    public E value;
30
31    /**
32     * Initialize value with null pointer.
33     */
34    public Mutable() {
35        value = null;
36    }
37
38    /**
39     * Initialize value with specific value.
40     *
41     * @param value initial value.
42     */
43    public Mutable(E value) {
44        this.value = value;
45    }
46}
47