/*
* Copyright (c) 2011-2017 Pivotal Software Inc, All Rights Reserved.
*
* 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 reactor.core.publisher;
import java.time.
Duration;
import java.util.
Objects;
import reactor.core.
CoreSubscriber;
import reactor.core.
Fuseable;
/**
* @see <a href="https://github.com/reactor/reactive-streams-commons">Reactive-Streams-Commons</a>
*/
final class
MonoJust<T>
extends
Mono<T>
implements
Fuseable.
ScalarCallable<T>,
Fuseable,
SourceProducer<T> {
final T
value;
MonoJust(T
value) {
this.
value =
Objects.
requireNonNull(
value, "value");
}
@
Override
public T
call() throws
Exception {
return
value;
}
@
Override
public T
block(
Duration m) {
return
value;
}
@
Override
public T
block() {
return
value;
}
@
Override
public void
subscribe(
CoreSubscriber<? super T>
actual) {
actual.
onSubscribe(
Operators.
scalarSubscription(
actual,
value));
}
@
Override
public
Object scanUnsafe(
Attr key) {
if (
key ==
Attr.
BUFFERED) return 1;
return null;
}
}