/*
* 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 reactor.core.
CoreSubscriber;
import reactor.core.
Fuseable.
ConditionalSubscriber;
import reactor.core.publisher.
FluxPeekFuseable.
PeekConditionalSubscriber;
/**
* Peek into the lifecycle events and signals of a sequence.
* <p>
* <p>
* The callbacks are all optional.
* <p>
* <p>
* Crashes by the lambdas are ignored.
*
* @param <T> the value type
* @see <a href="https://github.com/reactor/reactive-streams-commons">Reactive-Streams-Commons</a>
*/
final class
MonoLog<T> extends
MonoOperator<T, T> {
final
SignalPeek<T>
log;
MonoLog(
Mono<? extends T>
source,
SignalPeek<T>
log) {
super(
source);
this.
log =
log;
}
@
Override
public void
subscribe(
CoreSubscriber<? super T>
actual) {
if (
actual instanceof
ConditionalSubscriber) {
@
SuppressWarnings("unchecked") // javac, give reason to suppress because inference anomalies
ConditionalSubscriber<T>
s2 = (
ConditionalSubscriber<T>)
actual;
source.
subscribe(new
PeekConditionalSubscriber<>(
s2,
log));
return;
}
source.
subscribe(new
FluxPeek.
PeekSubscriber<>(
actual,
log));
}
}