udi-wms-java/src/main/java/com/glxp/api/util/IdUtil.java

package com.glxp.api.util;

import com.glxp.api.constant.Constant;
import com.glxp.api.dao.inv.DeptDeviceDetailDao;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;

/**
 * ID工具类
 */
@Component
public class IdUtil {

    @Resource
    private RedisUtil redisUtil;
    @Resource
    private DeptDeviceDetailDao deptDeviceDetailDao;

    /**
     * 获取最新的科室设备明细的资产编码
     *
     * @return
     */
    public String getDeptDeviceCode() {
        Long code = redisUtil.incr(Constant.DEPT_CACHE_CODE, 1);
        if (code == 1) {
            //redis中的key不存在，重新缓存当前最大的key进去
            redisUtil.set(Constant.DEPT_CACHE_CODE, Long.valueOf(deptDeviceDetailDao.selectMaxCode()));
            //重新获取最新的编码
            code = redisUtil.incr(Constant.DEPT_CACHE_CODE, 1);
        }
        return String.valueOf(code);
    }

}