CoroutineAdapter.kt
/*
* Copyright 2022 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.privacysandbox.ads.adservices.java.internal
import androidx.concurrent.futures.CallbackToFutureAdapter
import com.google.common.util.concurrent.ListenableFuture
import java.util.concurrent.CancellationException
import kotlinx.coroutines.Deferred
import kotlinx.coroutines.ExperimentalCoroutinesApi
@SuppressWarnings("AsyncSuffixFuture")
@OptIn(ExperimentalCoroutinesApi::class)
internal fun <T> Deferred<T>.asListenableFuture(
tag: Any? = "Deferred.asListenableFuture"
): ListenableFuture<T> = CallbackToFutureAdapter.getFuture { completer ->
this.invokeOnCompletion {
if (it != null) {
if (it is CancellationException) {
completer.setCancelled()
} else {
completer.setException(it)
}
} else {
// Ignore exceptions - This should never throw in this situation.
completer.set(this.getCompleted())
}
}
tag
}