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Diffstat (limited to 'mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/LongArray.java')
-rw-r--r--mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/LongArray.java84
1 files changed, 84 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/LongArray.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/LongArray.java
new file mode 100644
index 0000000000..ef6f938ca8
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/LongArray.java
@@ -0,0 +1,84 @@
+/*
+ * 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);
+ }
+
+}