package cn.autoform.util.thread;

import java.util.LinkedHashMap;
import java.util.Map;

import cn.autoform.util.tool.ObjectUtil;
import cn.autoform.web.interceptor.spring.InitParamInterceptor;
import lombok.extern.slf4j.Slf4j;

/**
 * 线程存储区
 * @author WangYX
 *
 */
@Slf4j
public class ThreadData {
	
	private ThreadData(){}
	
	private static final ThreadLocal<Map<Keys, Object>> THREAD_DATA = new ThreadLocal<Map<Keys, Object>>();  
	
	/**
	 * 添加临时数据
	 * @Title: set
	 * @Description: TODO[]
	 * @param @param key
	 * @param @param val    设定文件
	 * @return void    返回类型
	 * @throws
	 */
	public static <T> void set(Keys<T> key, T val){
		if(THREAD_DATA.get() == null){
			init();
			set(key, val);
		}else{
			THREAD_DATA.get().put(key, val);
			log.debug("向线程中添加key:'{}',val:''", key, val);
		}
	}
	
	/**
	 * 初始化储存结构
	 * @Title: init
	 * @Description: TODO[]
	 * @param     设定文件
	 * @return void    返回类型
	 * @throws
	 */
	private static void init(){
		THREAD_DATA.set(new LinkedHashMap<>());
	}

	/**
	 * 获得val
	 * @Title: get
	 * @param @param key
	 * @param @param clazz
	 * @param @param defaultValue
	 * @param @return    设定文件
	 * @return T    返回类型
	 * @throws
	 */
	@SuppressWarnings("unchecked")
	public static <T> T get(Keys<T> key){
		if(null != THREAD_DATA.get()){
			T result = (T) THREAD_DATA.get().get(key);
			return ObjectUtil.empty(result) ? key.getDefaultValue() : result;
		}else{
			return key.getDefaultValue();
		}
	}
	
	public static void clear(){
		if(THREAD_DATA.get() != null){
			THREAD_DATA.get().clear();
		}
	}
}