org.springframework.boot.actuate.health.HealthIndicatorRegistryFactory Maven / Gradle / Ivy
/*
* Copyright 2012-2018 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.Map;
import java.util.function.Function;
import org.springframework.util.Assert;
/**
* Factory to create a {@link HealthIndicatorRegistry}.
*
* @author Stephane Nicoll
* @since 2.1.0
*/
public class HealthIndicatorRegistryFactory {
private final Function healthIndicatorNameFactory;
public HealthIndicatorRegistryFactory(
Function healthIndicatorNameFactory) {
this.healthIndicatorNameFactory = healthIndicatorNameFactory;
}
public HealthIndicatorRegistryFactory() {
this(new HealthIndicatorNameFactory());
}
/**
* Create a {@link HealthIndicatorRegistry} based on the specified health indicators.
* @param healthIndicators the {@link HealthIndicator} instances mapped by name
* @return a {@link HealthIndicator} that delegates to the specified
* {@code healthIndicators}.
*/
public HealthIndicatorRegistry createHealthIndicatorRegistry(
Map healthIndicators) {
Assert.notNull(healthIndicators, "HealthIndicators must not be null");
return initialize(new DefaultHealthIndicatorRegistry(), healthIndicators);
}
protected T initialize(T registry,
Map healthIndicators) {
for (Map.Entry entry : healthIndicators.entrySet()) {
String name = this.healthIndicatorNameFactory.apply(entry.getKey());
registry.register(name, entry.getValue());
}
return registry;
}
}