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Add a DownloadManager constructor with default parameter values

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=190782395
This commit is contained in:
eguven 2018-03-28 09:21:55 -07:00 committed by Oliver Woodman
parent db475fea86
commit f40add5244
2 changed files with 34 additions and 4 deletions
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35
library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadManager.java
View file

@ -29,6 +29,7 @@ import android.support.annotation.IntDef;
import android.util.Log;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.offline.DownloadAction.Deserializer;
import com.google.android.exoplayer2.util.Assertions;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
@ -67,6 +68,11 @@ public final class DownloadManager {
void onIdle(DownloadManager downloadManager);
}
/** The default maximum number of simultaneous downloads. */
public static final int DEFAULT_MAX_SIMULTANEOUS_DOWNLOADS = 1;
/** The default minimum number of times the downloads must be retried before failing. */
public static final int DEFAULT_MIN_RETRY_COUNT = 5;
private static final String TAG = "DownloadManager";
private static final boolean DEBUG = false;
@ -92,19 +98,42 @@ public final class DownloadManager {
*
* @param constructorHelper A {@link DownloaderConstructorHelper} to create {@link Downloader}s
* for downloading data.
* @param maxActiveDownloadTasks Max number of download tasks to be started in parallel.
* @param actionSaveFile File to save active actions.
* @param deserializers Used to deserialize {@link DownloadAction}s.
*/
public DownloadManager(
DownloaderConstructorHelper constructorHelper,
String actionSaveFile,
Deserializer... deserializers) {
this(
constructorHelper,
DEFAULT_MAX_SIMULTANEOUS_DOWNLOADS,
DEFAULT_MIN_RETRY_COUNT,
actionSaveFile,
deserializers);
}
/**
* Constructs a {@link DownloadManager}.
*
* @param constructorHelper A {@link DownloaderConstructorHelper} to create {@link Downloader}s
* for downloading data.
* @param maxSimultaneousDownloads The maximum number of simultaneous downloads.
* @param minRetryCount The minimum number of times the downloads must be retried before failing.
* @param actionSaveFile File to save active actions.
* @param deserializers Used to deserialize {@link DownloadAction}s.
*/
public DownloadManager(
DownloaderConstructorHelper constructorHelper,
int maxActiveDownloadTasks,
int maxSimultaneousDownloads,
int minRetryCount,
String actionSaveFile,
Deserializer... deserializers) {
Assertions.checkArgument(
deserializers.length > 0, "At least one Deserializer should be given.");
this.downloaderConstructorHelper = constructorHelper;
this.maxActiveDownloadTasks = maxActiveDownloadTasks;
this.maxActiveDownloadTasks = maxSimultaneousDownloads;
this.minRetryCount = minRetryCount;
this.actionFile = new ActionFile(new File(actionSaveFile));
this.deserializers = deserializers;

3
library/core/src/test/java/com/google/android/exoplayer2/offline/DownloadManagerTest.java
View file

@ -430,7 +430,8 @@ public class DownloadManagerTest {
Mockito.mock(Cache.class), DummyDataSource.FACTORY),
maxActiveDownloadTasks,
MIN_RETRY_COUNT,
actionFile.getAbsolutePath());
actionFile.getAbsolutePath(),
ProgressiveDownloadAction.DESERIALIZER);
downloadManager.addListener(testDownloadListener);
downloadManager.startDownloads();
}