forked from integrated_whb/integrated_whb
89 lines
3.1 KiB
Java
89 lines
3.1 KiB
Java
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package com.zcloud.util;
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import com.github.benmanes.caffeine.cache.Cache;
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import com.github.benmanes.caffeine.cache.Caffeine;
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import com.zcloud.mapper.dsno3.eduSystem.EduDictionariesMapper;
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import com.zcloud.entity.PageData;
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import org.springframework.context.annotation.Bean;
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import org.springframework.scheduling.annotation.Async;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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import java.util.logging.Logger;
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/**
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* 说明：缓存
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* 作者：wangxuan
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* 官网：www.zcloudchina.com
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*/
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@Component
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public class CaffeineUtil {
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private static final Logger logger = Logger.getLogger(CaffeineUtil.class.getName());
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@Resource
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private EduDictionariesMapper eduDictionariesMapper;
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@Bean(name = "caffeineCache")
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public Cache<String, Object> caffeineCache() {
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Cache<String, Object> build = Caffeine.newBuilder()
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//8小时没有读写自动删除
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.expireAfterAccess(8, TimeUnit.HOURS)
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// 当垃圾收集器需要释放内存时驱逐
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.softValues()
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//最大容量1个，超过会自动清理空间
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.maximumSize(1)
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.removalListener(((key, value, cause) -> {
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//清理通知 key,value ==> 键值对 cause ==> 清理原因
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System.out.printf("Key %s was removed (%s)%n", key, cause);
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})).build();
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// 加载一次
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build.get("xzqh", x -> {
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List<PageData> all = eduDictionariesMapper.getAll();
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Map fileSort = AdministrativeUntil.getFileSort(all);
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return fileSort;
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});
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return build;
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}
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/**
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* @Description: 登录token
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* @Author: dearLin
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* @Date: 2023/6/12/012 9:27
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* @Param: [] []
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* @Return: com.github.benmanes.caffeine.cache.Cache<java.lang.String, java.lang.Object>
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*/
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@Bean(name = "loginToken")
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public Cache<String, String> loginToken() {
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Cache<String, String> loginToken = Caffeine.newBuilder()
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// 30分钟
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.expireAfterAccess(30, TimeUnit.MINUTES)
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// 当垃圾收集器需要释放内存时驱逐
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.softValues()
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.removalListener(((key, value, cause) -> {
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//清理通知 key,value ==> 键值对 cause ==> 清理原因
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System.out.printf("Key %s was removed (%s)%n", key, cause);
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})).build();
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return loginToken;
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}
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/**
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* @Description: 行政区划
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* @Author: dearLin
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* @Date: 2023/6/12/012 9:25
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* @Param: [com.github.benmanes.caffeine.cache.Cache<java.lang.String, java.lang.Object>] [build]
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* @Return: void
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*/
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@Async
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public void loadOnce(Cache<String, Object> build) {
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// 加载一次
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build.get("xzqh", x -> {
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List<PageData> all = eduDictionariesMapper.getAll();
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Map fileSort = AdministrativeUntil.getFileSort(all);
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return fileSort;
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});
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}
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}
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