spring CompositeHealthContributorReactiveAdapter 源码
springboot CompositeHealthContributorReactiveAdapter 代码
文件路径：/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/health/CompositeHealthContributorReactiveAdapter.java
/*
* Copyright 2012-2019 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 java.util.Iterator;
import org.springframework.util.Assert;
/**
* Adapts a {@link CompositeHealthContributor} to a
* {@link CompositeReactiveHealthContributor} so that it can be safely invoked in a
* reactive environment.
*
* @author Phillip Webb
* @see ReactiveHealthContributor#adapt(HealthContributor)
*/
class CompositeHealthContributorReactiveAdapter implements CompositeReactiveHealthContributor {
private final CompositeHealthContributor delegate;
CompositeHealthContributorReactiveAdapter(CompositeHealthContributor delegate) {
Assert.notNull(delegate, "Delegate must not be null");
this.delegate = delegate;
}
@Override
public Iterator<NamedContributor<ReactiveHealthContributor>> iterator() {
Iterator<NamedContributor<HealthContributor>> iterator = this.delegate.iterator();
return new Iterator<NamedContributor<ReactiveHealthContributor>>() {
@Override
public boolean hasNext() {
return iterator.hasNext();
}
@Override
public NamedContributor<ReactiveHealthContributor> next() {
NamedContributor<HealthContributor> namedContributor = iterator.next();
return NamedContributor.of(namedContributor.getName(),
ReactiveHealthContributor.adapt(namedContributor.getContributor()));
}
};
}
@Override
public ReactiveHealthContributor getContributor(String name) {
HealthContributor contributor = this.delegate.getContributor(name);
return (contributor != null) ? ReactiveHealthContributor.adapt(contributor) : null;
}
}
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