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Caffeine缓存增改查过期

2022-07-20 03:39:00 【学习微站】

Caffeine缓存增改查过期
1、引入pom

com.github.ben-manes.caffeine
caffeine
2.9.2

2、测试类
@Slf4j
@RunWith(SpringRunner.class)
@SpringBootTest(classes = ReportApplication.class)
public class LocalCacheTest { 

@Test
public void test() throws InterruptedException {
    Cache<Object, String> cache1 = Caffeine.newBuilder()
            .expireAfterWrite(1, TimeUnit.SECONDS)
            .maximumSize(1000)
            .build();
    String key = "test";
    cache1.put(key, "Okok10000");
    System.out.println(cache1.getIfPresent(key));
    System.out.println(cache1.getIfPresent(key));
    cache1.put(key, "hello0");
    System.out.println(cache1.getIfPresent(key));
    Thread.sleep(1000);
    System.out.println(cache1.getIfPresent(key));


}

}

缓存----》内存 缓存过期时间和是否需要用缓存想好了再用

原网站

版权声明
本文为[学习微站]所创，转载请带上原文链接，感谢
https://blog.csdn.net/weixin_43206161/article/details/125787394

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