com.google.gwt.emul.java.util.concurrent.Flow Maven / Gradle / Ivy
/*
* Copyright 2018 Google Inc.
*
* 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 java.util.concurrent;
/**
* Emulation of Flow.
*/
public final class Flow {
private Flow() { }
/**
* Emulation of Publisher.
*
* @param the published item type
*/
@FunctionalInterface
public interface Publisher {
void subscribe(Subscriber subscriber);
}
/**
* Emulation of Subscriber.
*
* @param the subscribed item type
*/
public interface Subscriber {
void onSubscribe(Subscription subscription);
void onNext(T item);
void onError(Throwable throwable);
void onComplete();
}
/**
* Emulation of Subscription.
*/
public interface Subscription {
void request(long n);
void cancel();
}
/**
* Emulation of Processor.
*
* @param the subscribed item type
* @param the published item type
*/
public interface Processor extends Subscriber, Publisher {
}
private static final int DEFAULT_BUFFER_SIZE = 256;
public static int defaultBufferSize() {
return DEFAULT_BUFFER_SIZE;
}
}