didiyu
2018-12-11 b8f449dca8e53bbd5c0e424befe07c8207c10032
gx_tieta/src/com/fgkj/dao/BattinfGroupFactory.java
@@ -5,7 +5,10 @@
import com.fgkj.dao.impl.BattInfImpl;
import com.fgkj.dao.impl.Batt_rtstateDAOImpl;
import com.fgkj.dao.impl.Battinf_applyImpl;
import com.fgkj.dao.impl.Database_backupImpl;
import com.fgkj.dto.BattInf;
import com.fgkj.dto.Database_backup;
public class BattinfGroupFactory {
   //将同一stationame中的2v,6v,12v数据整合
@@ -116,4 +119,42 @@
      int station_next=station_max+1;
      return station_next;
   }
   //查询当前最大的dev_id
   public static int searchmaxdev_id(){
      int dev_id=0;
      int devid_inf=(new BattInfImpl()).searchMaxdevId_binf();
      int devid_apply=(new Battinf_applyImpl()).searchMaxdevId_apply();
      if(devid_inf>=devid_apply){
         dev_id=devid_inf+1;
      }else{
         dev_id=devid_apply+1;
      }
      return dev_id;
   }
   //当对battinf表中数据进行增删改的操作时,先备份db_battinf.tb_battinf
   public static boolean backup_battinf(){
      boolean en=false;
      {
          Database_backup  baseup=new Database_backup();
          baseup.setBackup_en(1);
          baseup.setDatabase_name("db_battinf");
          baseup.setTable_name("tb_battinf");
          (new Database_backupImpl()).update(baseup);
           for (int i = 0; i < 20; i++) {
             boolean b=(new Database_backupImpl()).serchTable_en(baseup);
             if(b){
                en=true;
             }else{
                try {
                  Thread.sleep(250);
               } catch (InterruptedException e) {
                  // TODO Auto-generated catch block
                  e.printStackTrace();
               }
             }
           }
      };//出现删除操作时,先备份数据库表
      return en;
   }
}