blob: 5fbb3e7c0b8c6be0a24fafd7d8ac92fce070ee2f (
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
|
/*
* Copyright (C) 2019 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.offline;
import androidx.annotation.Nullable;
import androidx.annotation.WorkerThread;
import java.io.IOException;
/** An index of {@link Download Downloads}. */
@WorkerThread
public interface DownloadIndex {
/**
* Returns the {@link Download} with the given {@code id}, or null.
*
* <p>This method may be slow and shouldn't normally be called on the main thread.
*
* @param id ID of a {@link Download}.
* @return The {@link Download} with the given {@code id}, or null if a download state with this
* id doesn't exist.
* @throws IOException If an error occurs reading the state.
*/
@Nullable
Download getDownload(String id) throws IOException;
/**
* Returns a {@link DownloadCursor} to {@link Download}s with the given {@code states}.
*
* <p>This method may be slow and shouldn't normally be called on the main thread.
*
* @param states Returns only the {@link Download}s with this states. If empty, returns all.
* @return A cursor to {@link Download}s with the given {@code states}.
* @throws IOException If an error occurs reading the state.
*/
DownloadCursor getDownloads(@Download.State int... states) throws IOException;
}
|
