org.springframework.boot.actuate.autoconfigure.endpoint.EndpointIdTimeToLivePropertyFunction Maven / Gradle / Ivy
/*
* 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.autoconfigure.endpoint;
import java.time.Duration;
import java.util.function.Function;
import org.springframework.boot.actuate.endpoint.EndpointId;
import org.springframework.boot.actuate.endpoint.invoker.cache.CachingOperationInvokerAdvisor;
import org.springframework.boot.context.properties.bind.BindResult;
import org.springframework.boot.context.properties.bind.Bindable;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.core.env.Environment;
import org.springframework.core.env.PropertyResolver;
/**
* Function for use with {@link CachingOperationInvokerAdvisor} that extracts caching
* time-to-live from a {@link PropertyResolver resolved property}.
*
* @author Stephane Nicoll
* @author Phillip Webb
*/
class EndpointIdTimeToLivePropertyFunction implements Function {
private static final Bindable DURATION = Bindable.of(Duration.class);
private final Environment environment;
/**
* Create a new instance with the {@link PropertyResolver} to use.
* @param environment the environment
*/
EndpointIdTimeToLivePropertyFunction(Environment environment) {
this.environment = environment;
}
@Override
public Long apply(EndpointId endpointId) {
String name = String.format("management.endpoint.%s.cache.time-to-live", endpointId.toLowerCaseString());
BindResult duration = Binder.get(this.environment).bind(name, DURATION);
return duration.map(Duration::toMillis).orElse(null);
}
}