package org.sxkj.common.utils;



import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;

/**
 * 全局数据存取
 */
public class GlobalTimeRecordUtils {

	private static ConcurrentHashMap concurrentHashMap = new ConcurrentHashMap();


	/**
	 * 时间赋值
	 *
	 * @param key
	 */
	public static <T> void setTime(String key, T newValue) {
		Object oldValue = concurrentHashMap.get(key);
		if (Objects.nonNull(newValue) &&!newValue.equals(oldValue)) {
			concurrentHashMap.put(key, newValue);
		}
	}

	/**
	 * 删除key
	 * @param key
	 * @param <T>
	 */
	public static <T> void remove(String key) {
		concurrentHashMap.remove(key);
	}

	/**
	 * 获取唯一数据
	 *
	 * @param key key 值
	 * @param <T> 类型
	 * @return 返回值
	 */
	public static <T> T getTime(String key) {
		Object object = concurrentHashMap.get(key);
		if (Objects.nonNull(object)) {
			return (T) object;
		}
		return null;
	}

}