spring HealthIndicatorReactiveAdapter 源码
springboot HealthIndicatorReactiveAdapter 代码
文件路径：/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/health/HealthIndicatorReactiveAdapter.java
/*
* Copyright 2012-2021 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
*
* https://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 reactor.core.publisher.Mono;
import reactor.core.scheduler.Schedulers;
import org.springframework.util.Assert;
/**
* Adapts a {@link HealthIndicator} to a {@link ReactiveHealthIndicator} so that it can be
* safely invoked in a reactive environment.
*
* @author Stephane Nicoll
*/
class HealthIndicatorReactiveAdapter implements ReactiveHealthIndicator {
private final HealthIndicator delegate;
HealthIndicatorReactiveAdapter(HealthIndicator delegate) {
Assert.notNull(delegate, "Delegate must not be null");
this.delegate = delegate;
}
@Override
public Mono<Health> health() {
return Mono.fromCallable(this.delegate::health).subscribeOn(Schedulers.boundedElastic());
}
}
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