/*
 * Copyright © 2018 Apple Inc. and the ServiceTalk project authors
 *
 * 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.servicetalk.concurrent.api;

import static java.util.Objects.requireNonNull;

final class LiftAsynchronousPublisherOperator<T, R> extends AbstractAsynchronousPublisherOperator<T, R> {
    private final PublisherOperator<? super T, ? extends R> customOperator;

    LiftAsynchronousPublisherOperator(Publisher<T> original,
                                      PublisherOperator<? super T, ? extends R> customOperator) {
        super(original);
        this.customOperator = requireNonNull(customOperator);
    }

    @Override
    public Subscriber<? super T> apply(final Subscriber<? super R> subscriber) {
        return customOperator.apply(subscriber);
    }
}
