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Create wrapper class for LogSessionId.

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The platform class is only available from API 31, so we need
a generic wrapper that can be used on all API levels. The wrapper
essentially provides an identifier for a player instance, so naming
it accordingly.

PiperOrigin-RevId: 408292802
This commit is contained in:
tonihei 2021-11-08 11:00:55 +00:00 committed by Ian Baker
parent 8900d655d9
commit 54af82a23f
1 changed files with 77 additions and 0 deletions
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77
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/analytics/PlayerId.java Normal file
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/*
* Copyright 2021 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 androidx.media3.exoplayer.analytics;
import static androidx.media3.common.util.Assertions.checkNotNull;
import static androidx.media3.common.util.Assertions.checkState;
import android.media.metrics.LogSessionId;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.media3.common.util.UnstableApi;
import androidx.media3.common.util.Util;
/** Identifier for a player instance. */
@UnstableApi
public final class PlayerId {
/**
* A player identifier with unset default values that can be used as a placeholder or for testing.
*/
public static final PlayerId UNSET =
Util.SDK_INT < 31 ? new PlayerId() : new PlayerId(LogSessionIdApi31.UNSET);
@Nullable private final LogSessionIdApi31 logSessionIdApi31;
/** Creates an instance for API &lt; 31. */
public PlayerId() {
this(/* logSessionIdApi31= */ (LogSessionIdApi31) null);
checkState(Util.SDK_INT < 31);
}
/**
* Creates an instance for API &ge; 31.
*
* @param logSessionId The {@link LogSessionId} used for this player.
*/
@RequiresApi(31)
public PlayerId(LogSessionId logSessionId) {
this(new LogSessionIdApi31(logSessionId));
}
private PlayerId(@Nullable LogSessionIdApi31 logSessionIdApi31) {
this.logSessionIdApi31 = logSessionIdApi31;
}
/** Returns the {@link LogSessionId} for this player instance. */
@RequiresApi(31)
public LogSessionId getLogSessionId() {
return checkNotNull(logSessionIdApi31).logSessionId;
}
@RequiresApi(31)
private static final class LogSessionIdApi31 {
public static final LogSessionIdApi31 UNSET =
new LogSessionIdApi31(LogSessionId.LOG_SESSION_ID_NONE);
public final LogSessionId logSessionId;
public LogSessionIdApi31(LogSessionId logSessionId) {
this.logSessionId = logSessionId;
}
}
}