if ((nameUnit != null && !baseQuantity.equals(nameUnit .getBaseQuantity())) || (quantityUnit != null && !id.equals(quantityUnit .getUnitName()))) { throw new UnitExistsException(
if ((nameUnit != null && !baseQuantity.equals(nameUnit .getBaseQuantity())) || (quantityUnit != null && !id.equals(quantityUnit .getUnitName()))) { throw new UnitExistsException(