001/*
002 * Copyright 2002-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.util.concurrent;
018
019import org.springframework.lang.Nullable;
020
021/**
022 * Success callback for a {@link ListenableFuture}.
023 *
024 * @author Sebastien Deleuze
025 * @since 4.1
026 * @param <T> the result type
027 */
028@FunctionalInterface
029public interface SuccessCallback<T> {
030
031        /**
032         * Called when the {@link ListenableFuture} completes with success.
033         * <p>Note that Exceptions raised by this method are ignored.
034         * @param result the result
035         */
036        void onSuccess(@Nullable T result);
037
038}