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!609 增强单例池功能，新增判断类是否存在和获取所有存在的类方法

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Merge pull request !609 from Topcoder2023/v5-dev
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Looly 2022-04-28 08:58:15 +00:00 committed by Gitee
commit f46df1fccf
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1 changed files with 28 additions and 0 deletions
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hutool-core/src/main/java/cn/hutool/core/lang/Singleton.java
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@ -6,7 +6,11 @@ import cn.hutool.core.util.ClassUtil;
import cn.hutool.core.util.ReflectUtil;
import cn.hutool.core.util.StrUtil;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
/**
* 单例类<br>
@ -90,6 +94,30 @@ public final class Singleton {
POOL.put(key, obj);
}
/**
* 判断某个类的对象是否存在
*
* @param clazz 类
* @param params 构造参数
* @return 是否存在
*/
public static boolean exists(Class<?> clazz, Object... params){
if (null != clazz){
final String key = buildKey(clazz.getName(), params);
return POOL.containsKey(key);
}
return false;
}
/**
* 获取单例池中存在的所有类
*
* @return 非重复的类集合
*/
public static Set<Class<?>> getExistClass(){
return POOL.values().stream().map(Object::getClass).collect(Collectors.toSet());
}
/**
* 移除指定Singleton对象
*