blob: ef6f938ca8f814eac88cf4fa57a1ea734a805597 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.mozilla.thirdparty.com.google.android.exoplayer2.util;
import java.util.Arrays;
/**
* An append-only, auto-growing {@code long[]}.
*/
public final class LongArray {
private static final int DEFAULT_INITIAL_CAPACITY = 32;
private int size;
private long[] values;
public LongArray() {
this(DEFAULT_INITIAL_CAPACITY);
}
/**
* @param initialCapacity The initial capacity of the array.
*/
public LongArray(int initialCapacity) {
values = new long[initialCapacity];
}
/**
* Appends a value.
*
* @param value The value to append.
*/
public void add(long value) {
if (size == values.length) {
values = Arrays.copyOf(values, size * 2);
}
values[size++] = value;
}
/**
* Returns the value at a specified index.
*
* @param index The index.
* @return The corresponding value.
* @throws IndexOutOfBoundsException If the index is less than zero, or greater than or equal to
* {@link #size()}.
*/
public long get(int index) {
if (index < 0 || index >= size) {
throw new IndexOutOfBoundsException("Invalid index " + index + ", size is " + size);
}
return values[index];
}
/**
* Returns the current size of the array.
*/
public int size() {
return size;
}
/**
* Copies the current values into a newly allocated primitive array.
*
* @return The primitive array containing the copied values.
*/
public long[] toArray() {
return Arrays.copyOf(values, size);
}
}
|
