https://github.com/ReactiveX/RxJava: Reactive Extensions for Java
  • David Karnok 
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.

/**
 * 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;

import io.reactivex.annotations.*;
import org.reactivestreams.*;


Represents a Reactive Streams inspired Subscriber that is RxJava 2 only
and weakens rules §1.3 and §3.9 of the specification for gaining performance.

History: 2.0.7 - experimental; 2.1 - beta

Type parameters:
  • <T> – the value type
Since:2.2
/**
 * Represents a Reactive Streams inspired Subscriber that is RxJava 2 only
 * and weakens rules §1.3 and §3.9 of the specification for gaining performance.
 *
 * <p>History: 2.0.7 - experimental; 2.1 - beta
 * @param <T> the value type
 * @since 2.2
 */
public interface FlowableSubscriber<T> extends Subscriber<T> {

    
Implementors of this method should make sure everything that needs to be visible in Subscriber.onNext(Object) is established before calling Subscription.request(long). In practice this means no initialization should happen after the request() call and additional behavior is thread safe in respect to onNext. {@inheritDoc} 
/**
     * Implementors of this method should make sure everything that needs
     * to be visible in {@link #onNext(Object)} is established before
     * calling {@link Subscription#request(long)}. In practice this means
     * no initialization should happen after the {@code request()} call and
     * additional behavior is thread safe in respect to {@code onNext}.
     *
     * {@inheritDoc}
     */
    @Override
    void onSubscribe(@NonNull Subscription s);
}