io.reactivex.observable.extensions.HasUpstreamCompletableSource Maven / Gradle / Ivy
/**
* 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.observable.extensions;
import io.reactivex.observable.CompletableSource;
/**
* Interface indicating the implementor has an upstream CompletableSource-like source available
* via {@link #source()} method.
*/
public interface HasUpstreamCompletableSource {
/**
* Returns the upstream source of this Completable.
* Allows discovering the chain of observables.
* @return the source CompletableSource
*/
CompletableSource source();
}