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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.mixed;

import org.reactivestreams.*;

import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.functions.Function;

/**
 * Switch between subsequent {@link SingleSource}s emitted by a {@link Publisher}.
 * Reuses {@link FlowableSwitchMapSingle} internals.
 * @param  the upstream value type
 * @param  the downstream value type
 * @since 3.0.0
 */
public final class FlowableSwitchMapSinglePublisher extends Flowable {

    final Publisher source;

    final Function> mapper;

    final boolean delayErrors;

    public FlowableSwitchMapSinglePublisher(Publisher source,
            Function> mapper,
            boolean delayErrors) {
        this.source = source;
        this.mapper = mapper;
        this.delayErrors = delayErrors;
    }

    @Override
    protected void subscribeActual(Subscriber s) {
        source.subscribe(new FlowableSwitchMapSingle.SwitchMapSingleSubscriber<>(s, mapper, delayErrors));
    }
}