设备缓存 orgids

fengxiang

2018-04-17 3f220062a81ca7314c45201a73cc039debe050a4

 src/main/java/com/moral/service/impl/DeviceServiceImpl.java

@@ -1,12 +1,21 @@
package com.moral.service.impl;



import java.util.*;

import java.util.stream.Collectors;



import javax.annotation.Resource;



import com.alibaba.fastjson.TypeReference;

import com.github.pagehelper.Page;

import com.moral.common.bean.Constants;

import com.moral.common.bean.PageBean;

import com.moral.common.bean.PageResult;

import com.moral.common.util.ExampleUtil;

import com.moral.common.util.RedisUtils;

import com.moral.mapper.MonitorPointMapper;

import org.apache.commons.collections.MapUtils;

import org.apache.commons.lang3.BooleanUtils;

import org.apache.commons.lang3.StringUtils;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import org.springframework.util.ObjectUtils;

@@ -24,10 +33,13 @@


   @Resource

   private DeviceMapper deviceMapper;



    @Resource

    private MonitorPointMapper monitorPointMapper;

   @Resource

   private AccountService accountService;

    private Class ENTITY_CLASS = Device.class;

   @Resource

   RedisUtils redisUtils;

   @Override

   public Map<String, Object> getDeviceStatesByAccount(Map<String, Object> parameters) {

      ValidateUtil.notNull(parameters.get("accountId"), "param.is.null");

@@ -56,11 +68,6 @@
      return result;

   }

   

   @Override

   public List<Map<String, Object>> getSensorsByDevice(String mac) {

      return deviceMapper.getSensorsByDevice(mac);

   }



   @Override

   @Transactional

   public void saveOrUpdateDevice(Device device) {

@@ -101,6 +108,123 @@
      return device;

   }



   /**

    *

    * @param map

    * map里 包括 组织id和4个坐标点

    * @return

    */

   @Override

   public List<Device> query(Map<String, Object> map) {

      List <Device> list = deviceMapper.selectByMap(map);

      loadDeviceState(list);

      return list;

   }



   /**

    *  根据组织id和设备名称 分页查询设备

    * @param orgId

    * @param deviceName

    * @param pageSize

    * @param pageNo

    * @return

    */

   @Override

   public PageResult query(Integer orgId, String deviceName, Integer pageSize, Integer pageNo) {

      if(!ObjectUtils.isEmpty(pageSize)&&!ObjectUtils.isEmpty(pageNo)){

         PageHelper.startPage(pageNo,pageSize);

      }

      List<Device> list = deviceMapper.selectByOrgIdAndDevName(orgId,deviceName);

      //从redis里取状态

      loadDeviceState(list);

      if(list instanceof Page){

         return new PageResult(((Page) list).getTotal(),list);

      }

      return new PageResult(null,list);

   }



   /**

    * 根据组织id和监控点id 分页查询设备

    * @param orgId

    * @param mpId

    * @param pageSize

    * @param pageNo

    * @return

    */

   @Override

   public PageResult query(Integer orgId, Integer mpId, Integer pageSize, Integer pageNo) {

      if(!ObjectUtils.isEmpty(pageSize)&&!ObjectUtils.isEmpty(pageNo)){

         PageHelper.startPage(pageNo,pageSize);

      }

      List<Device> list = deviceMapper.selectByOrgIdAndMpId(orgId,mpId);

      //从redis里取状态

      loadDeviceState(list);

      if(list instanceof Page){

         return new PageResult(((Page) list).getTotal(),list);

      }

      return new PageResult(null,list);

   }

   private void loadDeviceState(List<Device> list){

      //从redis里取状态

      list.stream().map( device -> {

         String mac = device.getMac();

         if(!StringUtils.isBlank(mac)){

            String state = getSateFromRedis(device.getMonitorPointId(),mac.toLowerCase());

            device.setState(state);

         }else{

            device.setState(Constants.DEVICE_STATE_OFFLINE);

         }

         return device;

      }).count();

   }

   private String getSateFromRedis(Integer mpId,String mac){



      Map<String,String> stateMap  = getStateMapFromRedis(mpId,mac);

      String state = null;

      if(stateMap != null){

         state  = stateMap.get("state");

      }

      state = state == null ?Constants.DEVICE_STATE_OFFLINE:state;

      return  state;

   }

   public Map<String,String> getStateMapFromRedis(Integer mpId,String mac){

      StringBuilder key = new StringBuilder();

      //拼凑key

      key.append("state_").append(mpId).append("_").append(mac);

      return   redisUtils.get(key.toString(),new TypeReference<Map<String,String>>(){});

   }

   private Device getDeviceWithOrgIdsByMac(String mac) {

      String key = "device_"+mac;

      Device device = redisUtils.get(key,Device.class);

      if(device==null) {

         device = deviceMapper.selectWithOrgIdsByMac(mac);

         if(device!=null){

            redisUtils.set(key,device);

         }

      }

      return device;

   }

   /*

     刷新 redis 设备的信息

    */

   private void refreshDeviceInRedis(Device device){

        if(!StringUtils.isBlank(device.getMac())){

             Device simpleDevice = new Device();

          simpleDevice.setId(device.getId());// id

          simpleDevice.setName(device.getName());// name

          simpleDevice.setAddress(device.getAddress());// address

          simpleDevice.setDeviceVersionId(device.getDeviceVersionId());// version

          simpleDevice.setMac(device.getMac()); // mac

          simpleDevice.setMonitorPointId(device.getMonitorPointId());// 监控地id

          simpleDevice.setOrganizationIds(device.getOrganizationIds());// 组织数组

             if(device.getMonitorPointId()!=null){

                 List<Integer> orgIds = monitorPointMapper.selectOrganizationIds(device.getMonitorPointId());

                 simpleDevice.setOrganizationIds(orgIds);

             }

             String key = "device_"+device.getMac();

             redisUtils.set(key,simpleDevice);

         }

   }

   @Override

   public PageBean queryByPageBean(PageBean pageBean) {

      Example example = ExampleUtil.generateExample(ENTITY_CLASS,pageBean);

@@ -139,11 +263,17 @@
   @Override

   public void addOrModify(Device device){

      try{

         //mac 转小写

         if(StringUtils.isBlank(device.getMac())){

            device.setMac(device.getMac().toLowerCase());

         }

         if(device.getId()==null){

            device.setIsDelete(Constants.IS_DELETE_FALSE);

            deviceMapper.insertSelective(device);

         }else{

            deviceMapper.updateByPrimaryKeySelective(device);

            //刷新redis里设备信息

            refreshDeviceInRedis(device);

         }

      }

      catch (Exception ex){

@@ -159,4 +289,36 @@
      return deviceMapper.select(device);

   }



   /**

    *  返回map{mac：，state：}

    * @param macList

    * @return

    */

   @Override

   public List<Map<String,String>> queryDevicesState(List<String> macList,Boolean withData) {

      List<Map<String,String>> list = macList.stream().map(mac->{

         Map<String,String> resultMap = new HashMap<>();

         if(!StringUtils.isBlank(mac)){

            mac = mac.toLowerCase();

            Device device = getDeviceWithOrgIdsByMac(mac);

            Map<String,String> stateMap = getStateMapFromRedis(device.getMonitorPointId(),mac);

            if(!MapUtils.isEmpty(stateMap)){

               resultMap.putAll(stateMap);

            }else{

               resultMap.put("state",Constants.DEVICE_STATE_OFFLINE);

               resultMap.put("mac",mac);

            }

            //添加data

            if(BooleanUtils.isTrue(withData)){

               String dataKey = "data_"+mac;

               Map<String,String> dataMap = redisUtils.get(dataKey,new TypeReference<Map<String,String>>(){});

               if(!MapUtils.isEmpty(dataMap)){

                  resultMap.putAll(dataMap);

               }

            }

         }

         return  resultMap;

      }).collect(Collectors.toList());

      return list;

   }

}