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4.x
src/main/java/io/reactivex/rxjava4/internal/observers/BlockingFirstObserver.java
39 строк
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akarnokd
Package shift from .rxjava3 to .rxjava4
18 мар 2026, 18:10
18 мар 2026, 18:10
31e32bf
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/* * 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.rxjava4.internal.observers; /** * Blocks until the upstream signals its first value or completes. * * @param <T> the value type */ public final class BlockingFirstObserver<T> extends BlockingBaseObserver<T> { @Override public void onNext(T t) { if (value == null) { value = t; upstream.dispose(); countDown(); } } @Override public void onError(Throwable t) { if (value == null) { error = t; } countDown(); } }