HiltWorkerFactory.java
/*
* Copyright 2020 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.hilt.work;
import android.content.Context;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RestrictTo;
import androidx.work.ListenableWorker;
import androidx.work.WorkerParameters;
import java.util.Map;
import javax.inject.Provider;
/**
* Worker Factory for the Hilt Extension
* <p>
* A provider for this factory will be installed in the
* {@link dagger.hilt.components.SingletonComponent}.
*/
public final class HiltWorkerFactory extends androidx.work.WorkerFactory {
private final Map<String,
Provider<WorkerAssistedFactory<? extends ListenableWorker>>> mWorkerFactories;
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP_PREFIX)
HiltWorkerFactory(@NonNull Map<String,
Provider<WorkerAssistedFactory<? extends ListenableWorker>>> workerFactories) {
mWorkerFactories = workerFactories;
}
@Nullable
@Override
public ListenableWorker createWorker(@NonNull Context appContext,
@NonNull String workerClassName, @NonNull WorkerParameters workerParameters) {
Provider<WorkerAssistedFactory<? extends ListenableWorker>> factoryProvider =
mWorkerFactories.get(workerClassName);
if (factoryProvider == null) {
return null;
}
return factoryProvider.get().create(appContext, workerParameters);
}
}