/// <summary>
/// Valida a unicidade da propriedade
/// </summary>
/// <param name="session"></param>
/// <param name="propertyName"></param>
/// <param name="propertyValue"></param>
/// <param name="parent"></param>
/// <returns></returns>
public override bool Validate(GDASession session, ValidationMode mode, string propertyName, object propertyValue, object parent)
{
if (mode == ValidationMode.Delete)
{
return(true);
}
return(!GDAOperations.CheckExist(session, mode, propertyName, propertyValue, parent));
}