【fix sonar】DataSourceCachePool文件

jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/dynamic/db/DataSourceCachePool.java

@@ -4,9 +4,9 @@ import com.alibaba.druid.pool.DruidDataSource;
 import com.jero.common.api.CommonAPI;
 import com.jero.common.constant.CacheConstant;
 import com.jero.common.system.vo.DynamicDataSourceModel;
-import com.jero.common.util.RedisUtil;
 import com.jero.common.util.SpringContextUtils;
 import org.springframework.data.redis.core.RedisTemplate;
+
 import java.util.HashMap;
 import java.util.Map;
 
@@ -15,6 +15,10 @@ import java.util.Map;
  * 数据源缓存池
  */
 public class DataSourceCachePool {
+
+    private DataSourceCachePool(){
+
+    }
     /** 数据源连接池缓存【本地 class缓存 - 不支持分布式】 */
     private static Map<String, DruidDataSource> dbSources = new HashMap<>();
     private static RedisTemplate<String, Object> redisTemplate;