80 lines
3.0 KiB
Java
80 lines
3.0 KiB
Java
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package com.changhu.common.cache;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Dict;
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import cn.hutool.core.util.ClassUtil;
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import cn.hutool.core.util.ReflectUtil;
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import com.changhu.common.annotation.IsExtData;
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import com.changhu.common.db.BaseEnum;
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import com.changhu.common.pojo.vo.SelectNodeVo;
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import lombok.extern.slf4j.Slf4j;
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import org.ehcache.impl.internal.concurrent.ConcurrentHashMap;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.util.*;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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/**
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* @author 20252
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* @createTime 2024/11/15 上午9:03
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* @desc GlobalCacheManager...
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*/
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@Slf4j
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public class GlobalCacheManager {
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/**
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* 枚举缓存
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*/
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public static final Map<Class<?>, Map<BaseEnum<?>, SelectNodeVo<?>>> ENUM_CACHE = new ConcurrentHashMap<>();
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static {
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//初始化枚举数据
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initEnum();
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}
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static void initEnum() {
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log.info("初始化枚举字典数据----");
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Set<Class<?>> classes = ClassUtil.scanPackageBySuper("com.changhu.common.db.enums", BaseEnum.class);
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Method superSerializer = ClassUtil.getDeclaredMethod(BaseEnum.class, "serializer");
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for (Class<?> aClass : classes) {
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Method childrenSerializer = ClassUtil.getDeclaredMethod(aClass, "serializer");
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BaseEnum<?>[] enumConstants = (BaseEnum<?>[]) aClass.getEnumConstants();
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if (enumConstants == null) {
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continue;
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}
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// 获取所有字段
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Field[] fields = aClass.getDeclaredFields();
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// 过滤出非静态字段并带有 IsExtData 注解的字段
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List<Field> extDataFields = Arrays.stream(fields)
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.filter(field -> !Modifier.isStatic(field.getModifiers()))
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.filter(field -> field.getAnnotation(IsExtData.class) != null)
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.collect(Collectors.toList());
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Map<BaseEnum<?>, SelectNodeVo<?>> map = new LinkedHashMap<>();
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Stream.of(enumConstants).forEach(v -> {
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//如果子类重写父类的方法 则直接使用子类的结果
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if (!superSerializer.equals(childrenSerializer)) {
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map.put(v, v.serializer());
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} else {
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SelectNodeVo<Object> vo = new SelectNodeVo<>();
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vo.setValue(v.getValue());
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vo.setLabel(v.getLabel());
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if (CollUtil.isNotEmpty(extDataFields)) {
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Dict extData = Dict.create();
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for (Field extDataField : extDataFields) {
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extData.put(extDataField.getName(), ReflectUtil.getFieldValue(v, extDataField));
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}
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vo.setExtData(extData);
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}
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map.put(v, vo);
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}
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});
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GlobalCacheManager.ENUM_CACHE.put(aClass, map);
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}
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log.info("初始化枚举字典数据----完成");
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}
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}
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