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.*;


Convenience interface and callback used by the compose operator to turn a Completable into another
Completable fluently.

/**
 * Convenience interface and callback used by the compose operator to turn a Completable into another
 * Completable fluently.
 */
public interface CompletableTransformer {
    
Applies a function to the upstream Completable and returns a CompletableSource.

Params:
  • upstream – the upstream Completable instance
Returns:the transformed CompletableSource instance
/**
     * Applies a function to the upstream Completable and returns a CompletableSource.
     * @param upstream the upstream Completable instance
     * @return the transformed CompletableSource instance
     */
    @NonNull
    CompletableSource apply(@NonNull Completable upstream);
}