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
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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.internal.operators.flowable;

import org.reactivestreams.*;

import io.reactivex.Flowable;
import io.reactivex.functions.Function;
import io.reactivex.internal.operators.flowable.FlowableConcatMapEager.ConcatMapEagerDelayErrorSubscriber;
import io.reactivex.internal.util.ErrorMode;

ConcatMapEager which works with an arbitrary Publisher source.
History: 2.0.7 - experimental
Type parameters:
<T> – the input value type
<R> – the output type
Since:
2.1/**
 * ConcatMapEager which works with an arbitrary Publisher source.
 * <p>History: 2.0.7 - experimental
 * @param <T> the input value type
 * @param <R> the output type
 * @since 2.1
 */
public final class FlowableConcatMapEagerPublisher<T, R> extends Flowable<R> {

    final Publisher<T> source;

    final Function<? super T, ? extends Publisher<? extends R>> mapper;

    final int maxConcurrency;

    final int prefetch;

    final ErrorMode errorMode;

    public FlowableConcatMapEagerPublisher(Publisher<T> source,
            Function<? super T, ? extends Publisher<? extends R>> mapper,
            int maxConcurrency,
            int prefetch,
            ErrorMode errorMode) {
        this.source = source;
        this.mapper = mapper;
        this.maxConcurrency = maxConcurrency;
        this.prefetch = prefetch;
        this.errorMode = errorMode;
    }

    @Override
    protected void subscribeActual(Subscriber<? super R> s) {
        source.subscribe(new ConcatMapEagerDelayErrorSubscriber<T, R>(
                s, mapper, maxConcurrency, prefetch, errorMode));
    }
}