package com.matrix.system.common.init;

import com.matrix.core.tools.LogUtil;

import java.util.Date;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

public class LocalCache {


    private static ConcurrentMap<String,Value> localCache=new ConcurrentHashMap(60);

    /**
     * 获取本地缓存
     * @param key
     * @param <T>
     * @return
     */
    public static <T> T get(String key){
        return (T)localCache.get(key);
    }

    /**
     * 保存一个本地缓存
     * @param key
     * @param value
     */
    public static void save(String key,Object value){
        if(null!=localCache.put(key,value)){
            LogUtil.debug("覆盖原有缓存{}",key);
        }
    }

    public static void save(String key,Object value,long timeOut){
        if(null!=localCache.put(key,value)){
            LogUtil.debug("覆盖原有缓存{}",key);
        }
    }


    /**
     * 缓存对象
     */
     class Value{

        /**
         * 过期时间,0 表示不过期
         */
      private long timeOut=0;
        /**
         * 缓存值
         */
      private Object value;

        /**
         * 缓存创建时间
         */
      private long createTime;




      public static Value build(String value,long timeOut){
          Value instances=new Value();
          instances.createTime=System.currentTimeMillis();
          instances.value=value;
          instances.timeOut=timeOut;
          return instances;
      }

    }


}