code: public static CommerceShipmentItem findByPrimaryKey(
  		long commerceShipmentItemId)
  		throws com.liferay.commerce.exception.NoSuchShipmentItemException {
  		return getPersistence().findByPrimaryKey(commerceShipmentItemId);
  	}
docs: Returns the commerce shipment item with the primary key or throws a {@link NoSuchShipmentItemException} if it could not be found.
  
  @param commerceShipmentItemId the primary key of the commerce shipment item
  @return the commerce shipment item
  @throws NoSuchShipmentItemException if a commerce shipment item with the primary key could not be found