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.internal.fuseable;

import org.reactivestreams.Publisher;


Interface indicating the implementor has an upstream Publisher-like source available via source() method. 
Type parameters:
  • <T> – the value type
/**
 * Interface indicating the implementor has an upstream Publisher-like source available
 * via {@link #source()} method.
 *
 * @param <T> the value type
 */
public interface HasUpstreamPublisher<T> {
    
Returns the source Publisher.


This method is intended to discover the assembly
graph of sequences.

Returns:the source Publisher
/**
     * Returns the source Publisher.
     * <p>
     * This method is intended to discover the assembly
     * graph of sequences.
     * @return the source Publisher
     */
    Publisher<T> source();
}