io.micronaut.health.DefaultCurrentHealthStatus Maven / Gradle / Ivy
/*
* Copyright 2017-2018 original 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 io.micronaut.health;
import javax.inject.Singleton;
import java.util.concurrent.atomic.AtomicReference;
/**
* The default health status stores the values in memory.
*
* @author graemerocher
* @since 1.0
*/
@Singleton
class DefaultCurrentHealthStatus implements CurrentHealthStatus {
private final AtomicReference current = new AtomicReference<>(HealthStatus.UP);
@Override
public HealthStatus current() {
return current.get();
}
@Override
public HealthStatus update(HealthStatus newStatus) {
if (newStatus != null) {
return current.getAndSet(newStatus);
}
return current.get();
}
}