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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC

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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.rxjava3.internal.operators.flowable;

import java.util.concurrent.atomic.*;

import org.reactivestreams.*;

import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.internal.subscriptions.SubscriptionHelper;
import io.reactivex.rxjava3.internal.util.*;

public final class FlowableTakeUntil extends AbstractFlowableWithUpstream {
    final Publisher other;
    public FlowableTakeUntil(Flowable source, Publisher other) {
        super(source);
        this.other = other;
    }

    @Override
    protected void subscribeActual(Subscriber child) {
        TakeUntilMainSubscriber parent = new TakeUntilMainSubscriber<>(child);
        child.onSubscribe(parent);

        other.subscribe(parent.other);

        source.subscribe(parent);
    }

    static final class TakeUntilMainSubscriber extends AtomicInteger implements FlowableSubscriber, Subscription {

        private static final long serialVersionUID = -4945480365982832967L;

        final Subscriber downstream;

        final AtomicLong requested;

        final AtomicReference upstream;

        final AtomicThrowable error;

        final OtherSubscriber other;

        TakeUntilMainSubscriber(Subscriber downstream) {
            this.downstream = downstream;
            this.requested = new AtomicLong();
            this.upstream = new AtomicReference<>();
            this.other = new OtherSubscriber();
            this.error = new AtomicThrowable();
        }

        @Override
        public void onSubscribe(Subscription s) {
            SubscriptionHelper.deferredSetOnce(this.upstream, requested, s);
        }

        @Override
        public void onNext(T t) {
            HalfSerializer.onNext(downstream, t, this, error);
        }

        @Override
        public void onError(Throwable t) {
            SubscriptionHelper.cancel(other);
            HalfSerializer.onError(downstream, t, this, error);
        }

        @Override
        public void onComplete() {
            SubscriptionHelper.cancel(other);
            HalfSerializer.onComplete(downstream, this, error);
        }

        @Override
        public void request(long n) {
            SubscriptionHelper.deferredRequest(upstream, requested, n);
        }

        @Override
        public void cancel() {
            SubscriptionHelper.cancel(upstream);
            SubscriptionHelper.cancel(other);
        }

        final class OtherSubscriber extends AtomicReference implements FlowableSubscriber