spring-data-redis TimeToLive 源码
spring-data-redis TimeToLive 代码
文件路径：/src/main/java/org/springframework/data/redis/core/TimeToLive.java
/*
* Copyright 2015-2022 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.data.redis.core;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.concurrent.TimeUnit;
import org.springframework.data.annotation.ReadOnlyProperty;
/**
* {@link TimeToLive} marks a single numeric property on aggregate root to be used for setting expirations in Redis. The
* annotated property supersedes any other timeout configuration.
*
* <pre>
* <code>
* @RedisHash
* class Person {
* @Id String id;
* String name;
* @TimeToLive Long timeout;
* }
* </code>
* </pre>
*
* @author Christoph Strobl
* @since 1.7
*/
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Target(value = { ElementType.FIELD, ElementType.METHOD })
@ReadOnlyProperty
public @interface TimeToLive {
/**
* {@link TimeUnit} unit to use.
*
* @return {@link TimeUnit#SECONDS} by default.
*/
TimeUnit unit() default TimeUnit.SECONDS;
}
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