/**
* 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.NonNull;
import io.reactivex.disposables.Disposable;
/**
* Represents the subscription API callbacks when subscribing to a Completable instance.
*/
public interface CompletableObserver {
/**
* Called once by the Completable to set a Disposable on this instance which
* then can be used to cancel the subscription at any time.
* @param d the Disposable instance to call dispose on for cancellation, not null
*/
void onSubscribe(@NonNull Disposable d);
/**
* Called once the deferred computation completes normally.
*/
void onComplete();
/**
* Called once if the deferred computation 'throws' an exception.
* @param e the exception, not null.
*/
void onError(@NonNull Throwable e);
}