/*
 * Copyright (C) 2016 The Dagger Authors.
 *
 * 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 dagger.functional.producers.monitoring;

import com.google.common.util.concurrent.ListenableFuture;
import dagger.functional.producers.monitoring.ThreadQualifiers.Deferred;
import dagger.functional.producers.monitoring.ThreadQualifiers.EntryPoint;
import dagger.functional.producers.monitoring.ThreadQualifiers.Required;
import dagger.producers.Producer;
import dagger.producers.ProducerModule;
import dagger.producers.Produces;

@ProducerModule
final class ThreadModule {
  @Produces
  @Deferred
  Object deferred(ThreadAccumulator acc) {
    acc.markThread("deferred");
    return new Object();
  }

  @Produces
  @Required
  ListenableFuture<Object> required(@Deferred Producer<Object> o, ThreadAccumulator acc) {
    acc.markThread("required");
    return o.get();
  }

  @Produces
  @EntryPoint
  ThreadAccumulator entryPoint(@Required Object o, ThreadAccumulator acc) {
    acc.markThread("entryPoint");
    return acc;
  }
}