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fix beanUtil

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This commit is contained in:
Looly 2020-08-22 21:06:17 +08:00
parent a98f518c6f
commit c8f911ad4b
2 changed files with 44 additions and 19 deletions
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50
hutool-core/src/main/java/cn/hutool/core/bean/BeanInfoCache.java
View File

@ -1,15 +1,16 @@
package cn.hutool.core.bean; package cn.hutool.core.bean;
import cn.hutool.core.lang.SimpleCache;
import cn.hutool.core.lang.func.Func0;
import java.beans.PropertyDescriptor; import java.beans.PropertyDescriptor;
import java.util.Map; import java.util.Map;
import cn.hutool.core.lang.SimpleCache;
/** /**
* Bean属性缓存<br> * Bean属性缓存<br>
* 缓存用于防止多次反射造成的性能问题 * 缓存用于防止多次反射造成的性能问题
* @author Looly
* *
* @author Looly
*/ */
public enum BeanInfoCache { public enum BeanInfoCache {
INSTANCE; INSTANCE;
@ -19,21 +20,50 @@ public enum BeanInfoCache {
/** /**
* 获得属性名和{@link PropertyDescriptor}Map映射 * 获得属性名和{@link PropertyDescriptor}Map映射
* @param beanClass Bean的类 *
* @param beanClass Bean的类
* @param ignoreCase 是否忽略大小写 * @param ignoreCase 是否忽略大小写
* @return 属性名和{@link PropertyDescriptor}Map映射 * @return 属性名和{@link PropertyDescriptor}Map映射
*/ */
public Map<String, PropertyDescriptor> getPropertyDescriptorMap(Class<?> beanClass, boolean ignoreCase){ public Map<String, PropertyDescriptor> getPropertyDescriptorMap(Class<?> beanClass, boolean ignoreCase) {
return (ignoreCase ? ignoreCasePdCache : pdCache).get(beanClass); return getCache(ignoreCase).get(beanClass);
}
/**
* 获得属性名和{@link PropertyDescriptor}Map映射
*
* @param beanClass Bean的类
* @param ignoreCase 是否忽略大小写
* @param supplier 缓存对象产生函数
* @return 属性名和{@link PropertyDescriptor}Map映射
* @since 5.4.1
*/
public Map<String, PropertyDescriptor> getPropertyDescriptorMap(
Class<?> beanClass,
boolean ignoreCase,
Func0<Map<String, PropertyDescriptor>> supplier) {
return getCache(ignoreCase).get(beanClass, supplier);
} }
/** /**
* 加入缓存 * 加入缓存
* @param beanClass Bean的类 *
* @param beanClass Bean的类
* @param fieldNamePropertyDescriptorMap 属性名和{@link PropertyDescriptor}Map映射 * @param fieldNamePropertyDescriptorMap 属性名和{@link PropertyDescriptor}Map映射
* @param ignoreCase 是否忽略大小写 * @param ignoreCase 是否忽略大小写
*/ */
public void putPropertyDescriptorMap(Class<?> beanClass, Map<String, PropertyDescriptor> fieldNamePropertyDescriptorMap, boolean ignoreCase){ public void putPropertyDescriptorMap(Class<?> beanClass, Map<String, PropertyDescriptor> fieldNamePropertyDescriptorMap, boolean ignoreCase) {
(ignoreCase ? ignoreCasePdCache : pdCache).put(beanClass, fieldNamePropertyDescriptorMap); getCache(ignoreCase).put(beanClass, fieldNamePropertyDescriptorMap);
}
/**
* 根据是否忽略字段名的大小写，返回不用Cache对象
*
* @param ignoreCase 是否忽略大小写
* @return SimpleCache
* @since 5.4.1
*/
private SimpleCache<Class<?>, Map<String, PropertyDescriptor>> getCache(boolean ignoreCase) {
return ignoreCase ? ignoreCasePdCache : pdCache;
} }
} }

7
hutool-core/src/main/java/cn/hutool/core/bean/BeanUtil.java
View File

@ -205,12 +205,7 @@ public class BeanUtil {
* @throws BeanException 获取属性异常 * @throws BeanException 获取属性异常
*/ */
public static Map<String, PropertyDescriptor> getPropertyDescriptorMap(Class<?> clazz, boolean ignoreCase) throws BeanException { public static Map<String, PropertyDescriptor> getPropertyDescriptorMap(Class<?> clazz, boolean ignoreCase) throws BeanException {
Map<String, PropertyDescriptor> map = BeanInfoCache.INSTANCE.getPropertyDescriptorMap(clazz, ignoreCase); return BeanInfoCache.INSTANCE.getPropertyDescriptorMap(clazz, ignoreCase, ()-> internalGetPropertyDescriptorMap(clazz, ignoreCase));
if (null == map) {
map = internalGetPropertyDescriptorMap(clazz, ignoreCase);
BeanInfoCache.INSTANCE.putPropertyDescriptorMap(clazz, map, ignoreCase);
}
return map;
} }
/** /**