task数据库没有的设备造成异常处理

fengxiang

2017-11-09 d4a2ee43f5d6c7a8209d7356002ce5a3191d9b3e

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package com.moral.monitor.service.impl; 
 
import java.util.ArrayList; 
import java.util.HashMap; 
import java.util.List; 
import java.util.Map; 
import java.util.concurrent.TimeUnit; 
 
import javax.annotation.Resource; 
 
import org.apache.commons.lang3.StringUtils; 
import org.springframework.data.redis.core.RedisTemplate; 
import org.springframework.stereotype.Service; 
 
import com.alibaba.fastjson.JSON; 
import com.alibaba.fastjson.TypeReference; 
import com.moral.monitor.dao.JobDao; 
import com.moral.monitor.service.RedisService; 
import com.moral.monitor.util.RedisUtil; 
 
/** 
 * @author fengxiang 
 * @Time：2017年11月7日 上午10:16:33 
 * @version 1.0 
 */ 
@Service 
public class RedisServiceImpl implements RedisService{ 
    @Resource 
    JobDao jobDao; 
    @Resource 
    RedisTemplate<String, String> redis; 
    private static final String ADJUSTS = "adjusts"; 
    private static final String ORG_ID = "orgId"; 
    private static final String AREA_CODE = "areaCode"; 
    private static final String MONITORPOINT_ID= "monitorpoint"; 
    //设备静态数据，不常改动。 
    private static String getStaticEquKey(String mac) { 
        return "static_equ_"+mac; 
    } 
    public void setStaticEqu(String mac,Map<String,Object> equMap) { 
         RedisUtil.set(redis, getStaticEquKey(mac),JSON.toJSONString(equMap)); 
    } 
    public Map<String,Object> getStaticEqu(String mac) { 
        String staticEqu_key = getStaticEquKey(mac); 
        String staticEquJson = RedisUtil.get(redis,staticEqu_key); 
        Map<String,Object> equMap = null; 
        if(StringUtils.isEmpty(staticEquJson)) { 
             equMap = jobDao.findEquWithAdjustsByMac(mac); 
             if(equMap!=null) { 
                 //没有赋值的adjust，不储存 
                 List<Map<String,Object>> adjustList = (List<Map<String, Object>>) equMap.get(ADJUSTS); 
                 List<Object> adjustListWithData = new ArrayList<Object>(); 
                 //list to map 
                 for(Map<String,Object> adjust:adjustList) { 
                     if(adjust.get("value")!=null) { 
                         //没有值的清空 
                         adjustListWithData.add(adjust); 
                     } 
                 } 
                 equMap.put(ADJUSTS,adjustListWithData); 
                  setStaticEqu(mac,equMap); 
             } 
        }else { 
             equMap = JSON.parseObject(staticEquJson,new TypeReference<Map<String,Object>>(){}); 
           } 
        return equMap; 
    } 
    /* 
     * 根据 mac地址 获取校正值map 
     */ 
    public Map<String,Float> getAdjustsByMac(String mac){ 
        Map<String,Object> equMap = getStaticEqu(mac); 
        Map<String,Float> adjustMap = null; 
        if(equMap!=null) { 
             List<Map<String,Object>> adjustList = (List<Map<String, Object>>) equMap.get(ADJUSTS); 
             if(adjustList!=null) { 
                 adjustMap = new HashMap<String, Float>(); 
                 //list to map 
                 for(Map<String,Object> adjust:adjustList) { 
                     if(adjust.get("value")!=null) { 
                         adjustMap.put(adjust.get("key").toString(), Float.valueOf(adjust.get("value").toString())); 
                     } 
                 } 
             } 
        } 
        return adjustMap; 
    } 
    //格式：state_组织ID_地区ID_监控点ID_mac 
    private String getEquStateKey(String mac) { 
          Map<String,Object> equMap = getStaticEqu(mac); 
          String orgId = equMap.get(ORG_ID)==null?"$":equMap.get(ORG_ID).toString(); 
          String areaCode = equMap.get(AREA_CODE)==null?"$":equMap.get(AREA_CODE).toString(); 
          String mpointId = equMap.get(MONITORPOINT_ID)==null?"$":equMap.get(MONITORPOINT_ID).toString(); 
          return "state_"+orgId+"_"+areaCode+"_"+mpointId+"_"+mac; 
    } 
    //把含有状态的设备监控功能数据 存储到redis 
    public void setEquState(String mac,Map<String,Object> equWithStateMap) { 
        String key = getEquStateKey(mac); 
        String equWithStateJsonStr = JSON.toJSONString(equWithStateMap); 
        RedisUtil.set(redis,key,equWithStateJsonStr,10,TimeUnit.SECONDS); 
    } 
    //从redis获取含有状态的设备监控功能数据 
    public Map<String,Object> getEquState(String mac) { 
        String equ_key = getEquStateKey(mac); 
        String equWithStateJsonStr = RedisUtil.get(redis, equ_key); 
        Map<String,Object> equMap= JSON.parseObject(equWithStateJsonStr,new TypeReference<Map<String,Object>>() {}); 
        return equMap; 
    } 
     
}