/** * Copyright (c) 2016-present, RxJava Contributors. * * 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 io.reactivex; import java.util.concurrent.CountDownLatch; import org.openjdk.jmh.infra.Blackhole; import io.reactivex.disposables.Disposable; public final class LatchedSingleObserver<T> implements SingleObserver<T> { final CountDownLatch cdl; final Blackhole bh; public LatchedSingleObserver(Blackhole bh) { this.bh = bh; this.cdl = new CountDownLatch(1); } @Override public void onSubscribe(Disposable d) { } @Override public void onSuccess(T value) { bh.consume(value); cdl.countDown(); } @Override public void onError(Throwable e) { e.printStackTrace(); cdl.countDown(); } }