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}