001/* 002 * Copyright 2012-2017 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 * http://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.boot.actuate.health; 018 019import reactor.core.publisher.Mono; 020 021/** 022 * Defines the {@link Health} of an arbitrary system or component. 023 * <p> 024 * This is non blocking contract that is meant to be used in a reactive application. See 025 * {@link HealthIndicator} for the traditional contract. 026 * 027 * @author Stephane Nicoll 028 * @since 2.0.0 029 * @see HealthIndicator 030 */ 031@FunctionalInterface 032public interface ReactiveHealthIndicator { 033 034 /** 035 * Provide the indicator of health. 036 * @return a {@link Mono} that provides the {@link Health} 037 */ 038 Mono<Health> health(); 039 040}