package com.common.web.support.uuid.service.ebo;
import java.util.List;
import com.common.web.support.uuid.dao.factory.DaoFactory;
import com.common.web.support.uuid.service.ebi.UuidEbi;
import com.common.web.support.uuid.service.factory.UuidFactory;
import com.common.web.support.uuid.vo.UuidModel;
import com.common.web.support.uuid.vo.UuidQueryModel;
public class UuidEbo implements UuidEbi{
public static void main(String[] args) {
int num = UuidFactory.getUuidEbi().getNextUuid("cc");
System.out.println("num=="+num);
num = UuidFactory.getUuidEbi().getNextUuid("cc");
System.out.println("num22=="+num);
}
@Override
public void create(UuidModel m) {
DaoFactory.getUuidDAO().create(m);
}
@Override
public void update(UuidModel m) {
DaoFactory.getUuidDAO().update(m);
}
@Override
public void delete(UuidModel m) {
DaoFactory.getUuidDAO().delete(m);
}
@Override
public UuidModel getByUuid(int uuid) {
return DaoFactory.getUuidDAO().getByUuid(new UuidQueryModel(), uuid);
}
@Override
public List<UuidModel> getAll(int fromNum,int toNum) {
return DaoFactory.getUuidDAO().getAll(new UuidQueryModel(),fromNum,toNum);
}
@Override
public List<UuidModel> getByCondition(UuidQueryModel qm,int fromNum,int toNum) {
return DaoFactory.getUuidDAO().getByCondition(qm,fromNum,toNum);
}
@Override
public int getNextUuid(String tblName) {
//1：应该跟据表名做前缀，去数据库tbl_uuid里面查找数据
UuidQueryModel uqm = new UuidQueryModel();
uqm.setPreFix(tblName);
List<UuidModel> list = this.getByCondition(uqm,1,100);
if(list==null || list.size()==0){
//2：如果找不到，说明是第一次用，那么nextUuid=1,同时向tbl_uuid新增一条数据
UuidModel um = new UuidModel();
um.setNum(1);
um.setPreFix(tblName);
this.create(um);
return 1;
}else{
//3：如果找到了，就对num+1,这就是nextuuid，同时修改这条数据
UuidModel um = list.get(0);
int num = um.getNum()+1;
um.setNum(num);
this.update(um);
return num;
}
}
@Override
public int getCount(UuidQueryModel qm) {
return DaoFactory.getUuidDAO().getCount(qm);
}
}