/** * 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.*; /** * A functional interface that has a {@code subscribe()} method that receives * an instance of a {@link CompletableEmitter} instance that allows pushing * an event in a cancellation-safe manner. */ public interface CompletableOnSubscribe { /** * Called for each CompletableObserver that subscribes. * @param e the safe emitter instance, never null * @throws Exception on error */ void subscribe(@NonNull CompletableEmitter e) throws Exception; }