增加返回溯源第二个点的service实现

ZhuDongming

2019-06-12 c078390a7398946e88d9ef7446bb2b5562ce77a2

增加返回溯源第二个点的service实现

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

@@ -1,24 +1,5 @@
package com.moral.service.impl;



import java.util.ArrayList;

import java.util.Arrays;

import java.util.Date;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.stream.Collectors;



import javax.annotation.Resource;

import javax.validation.constraints.NotNull;



import org.apache.commons.collections.MapUtils;

import org.apache.commons.lang3.BooleanUtils;

import org.apache.commons.lang3.StringUtils;

import org.apache.log4j.Logger;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import org.springframework.util.ObjectUtils;



import com.alibaba.fastjson.TypeReference;

import com.github.pagehelper.Page;

import com.github.pagehelper.PageHelper;

@@ -31,16 +12,22 @@
import com.moral.common.util.ValidateUtil;

import com.moral.entity.Device;

import com.moral.entity.DeviceProperty;

import com.moral.mapper.DeviceMapper;

import com.moral.mapper.DevicePropertyMapper;

import com.moral.mapper.DeviceVersionMapper;

import com.moral.mapper.DictionaryDataMapper;

import com.moral.mapper.MonitorPointMapper;

import com.moral.mapper.OrganizationMapper;

import com.moral.mapper.*;

import com.moral.service.AccountService;

import com.moral.service.DeviceService;



import org.apache.commons.collections.MapUtils;

import org.apache.commons.lang3.BooleanUtils;

import org.apache.commons.lang3.StringUtils;

import org.apache.log4j.Logger;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import org.springframework.util.ObjectUtils;

import tk.mybatis.mapper.entity.Example;



import javax.annotation.Resource;

import javax.validation.constraints.NotNull;

import java.util.*;

import java.util.stream.Collectors;



@Service

public class DeviceServiceImpl implements DeviceService {

@@ -610,4 +597,18 @@
        return deviceMapper.getLimitDataByDevice(parameters);

    }



    //按经度升序排序，通过mac地址找到相邻经度的第二个点位置

    @Override

    public Device getDeviceByLongitudeAsc(String mac) {

        Example example = new Example(Device.class);

        example.setOrderByClause("longitude ASC");

        List<Device> deviceList=deviceMapper.selectByExample(example);

        for(int i=0;i<deviceList.size();i++){

            if(mac.equals(deviceList.get(i).getMac())){

                Device deviceSecond=deviceList.get(i+1);

                return deviceSecond;

            }

        }

        return null;

    }

}