需要将员工管理中，字段编码：x_employee_id，字段名称：员工号，该字段写一段编码生成规则code，生成规则为每次新增时需要判断目前系统中存在的最大值，进行加1，且个位数逢4跳过。

for record in self:
employees = record.env['hr.employee'].search_read([],fields=['x_employee_id'])
x_employee_id_list = [employee['x_employee_id'] for employee in employees]
next_id = int(max(x_employee_id_list)) + 1
if str(next_id)[-1] == 4:
next_id += 1
record['x_employee_id'] = next_id

是否这样写就行？