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基于 Guava 实现 dict 字典数据的本地缓存

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This commit is contained in:
YunaiV
2022-06-17 19:44:28 +08:00
parent d1271f8bff
commit d3200910db
18 changed files with 184 additions and 289 deletions
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6
yudao-framework/yudao-spring-boot-starter-biz-dict/src/main/java/cn/iocoder/yudao/framework/dict/config/YudaoDictAutoConfiguration.java
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@ -1,7 +1,7 @@
package cn.iocoder.yudao.framework.dict.config;
import cn.iocoder.yudao.framework.dict.core.service.DictDataFrameworkService;
import cn.iocoder.yudao.framework.dict.core.util.DictFrameworkUtils;
import cn.iocoder.yudao.module.system.api.dict.DictDataApi;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@ -10,8 +10,8 @@ public class YudaoDictAutoConfiguration {
@Bean
@SuppressWarnings("InstantiationOfUtilityClass")
public DictFrameworkUtils dictUtils(DictDataFrameworkService service) {
DictFrameworkUtils.init(service);
public DictFrameworkUtils dictUtils(DictDataApi dictDataApi) {
DictFrameworkUtils.init(dictDataApi);
return new DictFrameworkUtils();
}

33
yudao-framework/yudao-spring-boot-starter-biz-dict/src/main/java/cn/iocoder/yudao/framework/dict/core/dto/DictDataRespDTO.java
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@ -1,33 +0,0 @@
package cn.iocoder.yudao.framework.dict.core.dto;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import lombok.Data;
/**
* 字典数据 Response DTO
*
* @author 芋道源码
*/
@Data
public class DictDataRespDTO {
/**
* 字典标签
*/
private String label;
/**
* 字典值
*/
private String value;
/**
* 字典类型
*/
private String dictType;
/**
* 状态
*
* 枚举 {@link CommonStatusEnum}
*/
private Integer status;
}

4
yudao-framework/yudao-spring-boot-starter-biz-dict/src/main/java/cn/iocoder/yudao/framework/dict/core/package-info.java Normal file
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@ -0,0 +1,4 @@
/**
* 占位
*/
package cn.iocoder.yudao.framework.dict.core;

25
yudao-framework/yudao-spring-boot-starter-biz-dict/src/main/java/cn/iocoder/yudao/framework/dict/core/service/DictDataFrameworkService.java
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@ -1,25 +0,0 @@
package cn.iocoder.yudao.framework.dict.core.service;
import cn.iocoder.yudao.framework.dict.core.dto.DictDataRespDTO;
public interface DictDataFrameworkService {
/**
* 获得指定的字典数据，从缓存中
*
* @param type 字典类型
* @param value 字典数据值
* @return 字典数据
*/
DictDataRespDTO getDictDataFromCache(String type, String value);
/**
* 解析获得指定的字典数据，从缓存中
*
* @param type 字典类型
* @param label 字典数据标签
* @return 字典数据
*/
DictDataRespDTO parseDictDataFromCache(String type, String label);
}

60
yudao-framework/yudao-spring-boot-starter-biz-dict/src/main/java/cn/iocoder/yudao/framework/dict/core/util/DictFrameworkUtils.java
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@ -1,28 +1,70 @@
package cn.iocoder.yudao.framework.dict.core.util;
import cn.iocoder.yudao.framework.dict.core.dto.DictDataRespDTO;
import cn.iocoder.yudao.framework.dict.core.service.DictDataFrameworkService;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.framework.common.core.KeyValue;
import cn.iocoder.yudao.framework.common.util.cache.CacheUtils;
import cn.iocoder.yudao.module.system.api.dict.DictDataApi;
import cn.iocoder.yudao.module.system.api.dict.dto.DictDataRespDTO;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import java.time.Duration;
/**
* 字典工具类
*
* @author 芋道源码
*/
@Slf4j
public class DictFrameworkUtils {
private static DictDataFrameworkService service;
private static DictDataApi dictDataApi;
public static void init(DictDataFrameworkService service) {
DictFrameworkUtils.service = service;
private static final DictDataRespDTO DICT_DATA_NULL = new DictDataRespDTO();
/**
* 针对 {@link #getDictDataLabel(String, String)} 的缓存
*/
private static final LoadingCache<KeyValue<String, String>, DictDataRespDTO> getDictDataCache = CacheUtils.buildAsyncReloadingCache(
Duration.ofMinutes(1L), // 过期时间 1 分钟
new CacheLoader<KeyValue<String, String>, DictDataRespDTO>() {
@Override
public DictDataRespDTO load(KeyValue<String, String> key) {
return ObjectUtil.defaultIfNull(dictDataApi.getDictData(key.getKey(), key.getValue()), DICT_DATA_NULL);
}
});
/**
* 针对 {@link #parseDictDataValue(String, String)} 的缓存
*/
private static final LoadingCache<KeyValue<String, String>, DictDataRespDTO> parseDictDataCache = CacheUtils.buildAsyncReloadingCache(
Duration.ofMinutes(1L), // 过期时间 1 分钟
new CacheLoader<KeyValue<String, String>, DictDataRespDTO>() {
@Override
public DictDataRespDTO load(KeyValue<String, String> key) {
return ObjectUtil.defaultIfNull(dictDataApi.parseDictData(key.getKey(), key.getValue()), DICT_DATA_NULL);
}
});
public static void init(DictDataApi dictDataApi) {
DictFrameworkUtils.dictDataApi = dictDataApi;
log.info("[init][初始化 DictFrameworkUtils 成功]");
}
public static DictDataRespDTO getDictDataFromCache(String type, String value) {
return service.getDictDataFromCache(type, value);
@SneakyThrows
public static String getDictDataLabel(String dictType, String value) {
return getDictDataCache.get(new KeyValue<>(dictType, value)).getLabel();
}
public static DictDataRespDTO parseDictDataFromCache(String type, String label) {
return service.parseDictDataFromCache(type, label);
@SneakyThrows
public static String parseDictDataValue(String dictType, String label) {
return parseDictDataCache.get(new KeyValue<>(dictType, label)).getValue();
}
}