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/*
* Copyright (C) 2018 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.cancellation;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.util.concurrent.ListenableFuture;
import dagger.Provides;
import dagger.producers.Producer;
import dagger.producers.ProducerModule;
import dagger.producers.Produces;
import javax.inject.Named;
@SuppressWarnings("unused") // not actually using dependencies
@ProducerModule(subcomponents = CancellationSubcomponent.class)
final class CancellationModule {
private final ProducerTester tester;
CancellationModule(ProducerTester tester) {
this.tester = checkNotNull(tester);
}
@Produces
@Named("leaf1")
ListenableFuture<String> produceLeaf1() {
return tester.start("leaf1");
}
@Produces
@Named("leaf2")
ListenableFuture<String> produceLeaf2() {
return tester.start("leaf2");
}
@Produces
@Named("leaf3")
ListenableFuture<String> produceLeaf3() {
return tester.start("leaf3");
}
@Produces
@Named("foo")
ListenableFuture<String> produceFoo(@Named("leaf1") String leaf1, @Named("leaf2") String leaf2) {
return tester.start("foo");
}
@Produces
@Named("bar")
ListenableFuture<String> produceBar(@Named("leaf2") String leaf2, @Named("leaf3") String leaf3) {
return tester.start("bar");
}
@Produces
@Named("baz")
ListenableFuture<String> produceBaz(
@Named("foo") Producer<String> foo, @Named("bar") String bar) {
ListenableFuture<String> fooFuture = foo.get();
if (!fooFuture.isDone()) {
assertThat(fooFuture.cancel(true)).isTrue();
assertThat(fooFuture.isCancelled()).isTrue();
}
return tester.start("baz");
}
@Provides
@Named("providesDep")
static String provideProvidesDep() {
return "providesDep";
}
@Produces
@Named("qux")
ListenableFuture<String> produceQux(
@Named("baz") String baz, @Named("providesDep") String providesDep) {
return tester.start("qux");
}
@Produces
@Named("ep1")
ListenableFuture<String> produceEntryPoint1(@Named("qux") String qux) {
return tester.start("entryPoint1");
}
@Produces
@Named("ep2")
ListenableFuture<String> produceEntryPoint2(@Named("bar") String bar, String dependency) {
return tester.start("entryPoint2");
}
@Produces
@Named("ep3")
static ListenableFuture<String> produceEntryPoint3(Producer<String> dependencyProducer) {
ListenableFuture<String> dependencyFuture = dependencyProducer.get();
assertThat(dependencyFuture.isDone()).isFalse();
assertThat(dependencyFuture.cancel(true)).isTrue();
assertThat(dependencyFuture.isCancelled()).isTrue();
return dependencyFuture;
}
}