spring CachingOperationInvokerAdvisor 源码
springboot CachingOperationInvokerAdvisor 代码
文件路径：/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoker/cache/CachingOperationInvokerAdvisor.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.endpoint.invoker.cache;
import java.util.function.Function;
import org.springframework.boot.actuate.endpoint.EndpointId;
import org.springframework.boot.actuate.endpoint.OperationType;
import org.springframework.boot.actuate.endpoint.invoke.OperationInvoker;
import org.springframework.boot.actuate.endpoint.invoke.OperationInvokerAdvisor;
import org.springframework.boot.actuate.endpoint.invoke.OperationParameters;
/**
* {@link OperationInvokerAdvisor} to optionally provide result caching support.
*
* @author Stephane Nicoll
* @since 2.0.0
*/
public class CachingOperationInvokerAdvisor implements OperationInvokerAdvisor {
private final Function<EndpointId, Long> endpointIdTimeToLive;
public CachingOperationInvokerAdvisor(Function<EndpointId, Long> endpointIdTimeToLive) {
this.endpointIdTimeToLive = endpointIdTimeToLive;
}
@Override
public OperationInvoker apply(EndpointId endpointId, OperationType operationType, OperationParameters parameters,
OperationInvoker invoker) {
if (operationType == OperationType.READ && CachingOperationInvoker.isApplicable(parameters)) {
Long timeToLive = this.endpointIdTimeToLive.apply(endpointId);
if (timeToLive != null && timeToLive > 0) {
return new CachingOperationInvoker(invoker, timeToLive);
}
}
return invoker;
}
}
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- 本文标签： Java Spring Spring Boot
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