/// <summary>
/// 保存Medium对象
/// </summary>
void IMediumMgr.Save(Medium medium)
{
List <ValidationResult> results = new List <ValidationResult>();
bool isValid = Validator.TryValidateObject(medium,
new ValidationContext(medium),
results);
if (!isValid)
{
throw new ArgumentException("介质数据不合法！");
}
if (medium.IsTransient())
{
medium.GenerateNewIdentity();
_mediumRepository.Add(medium);
}
else
{
_mediumRepository.Modify(medium);
}
_mediumRepository.UnitOfWork.Commit();
}