FluxEmptySyncFuseable.java

/*
 * Copyright (c) 2011-2017 Pivotal Software Inc, All Rights Reserved.
 *
 * 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 reactor.test.publisher;

import org.reactivestreams.Subscriber;
import reactor.core.Fuseable;
import reactor.core.publisher.Flux;

/**
 * @author Stephane Maldini
 */
final class FluxEmptySyncFuseable<T> extends Flux<T> implements Fuseable {

	@Override
	public void subscribe(Subscriber<? super T> s) {
		s.onSubscribe(new SynchronousSubscription<T>() {
			@Override
			public T poll() {
				return null;
			}

			@Override
			public int size() {
				return 0;
			}

			@Override
			public boolean isEmpty() {
				return true;
			}

			@Override
			public void clear() {

			}

			@Override
			public void request(long n) {

			}

			@Override
			public void cancel() {

			}
		});
		s.onComplete();
	}
}