package com.cloudroam.common;

import com.cloudroam.model.LogDO;
import com.cloudroam.model.UserDO;

/**
 * 线程安全的当前登录用户，如果用户未登录，则得到 null
 *
 * @author 
 */
public class LocalLogger {

    private LocalLogger() {
        throw new IllegalStateException("Utility class");
    }

    private static final ThreadLocal<LogDO> LOCAL = new ThreadLocal<>();

    /**
     * 得到当前日志
     *
     * @return user | null
     */
    public static LogDO getLocalLogDO() {
        return LocalLogger.LOCAL.get();
    }

    /**
     * 设置当前日志
     *
     * @param logDO logDO
     */
    public static void setLocalLogDO(LogDO logDO) {
        LocalLogger.LOCAL.set(logDO);
    }

    public static <T> T getLocalLogDO(Class<T> clazz) {
        return (T) LOCAL.get();
    }

    /**
     * 清理当前日志
     */
    public static void clearLocalLogDO() {
        LOCAL.remove();
    }
}