/*
* Copyright 2012-2016 the original author or authors.
*
* 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 org.springframework.boot.actuate.health;
import org.springframework.boot.actuate.health.Health.Builder;
/**
* Base {@link HealthIndicator} implementations that encapsulates creation of
* {@link Health} instance and error handling.
* <p>
* This implementation is only suitable if an {@link Exception} raised from
* {@link #doHealthCheck(org.springframework.boot.actuate.health.Health.Builder)} should
* create a {@link Status#DOWN} health status.
*
* @author Christian Dupuis
* @since 1.1.0
*/
public abstract class AbstractHealthIndicator implements HealthIndicator {
@Override
public final Health health() {
Health.Builder builder = new Health.Builder();
try {
doHealthCheck(builder);
}
catch (Exception ex) {
builder.down(ex);
}
return builder.build();
}
/**
* Actual health check logic.
* @param builder the {@link Builder} to report health status and details
* @throws Exception any {@link Exception} that should create a {@link Status#DOWN}
* system status.
*/
protected abstract void doHealthCheck(Health.Builder builder) throws Exception;
}