class StorageUnitDaoHelper {

    public void updateStorageUnitStatus(StorageUnitEntity storageUnitEntity, String storageUnitStatus, String reason)
    {
        // Retrieve and ensure the new storage unit status is valid.
        StorageUnitStatusEntity storageUnitStatusEntity = storageUnitStatusDaoHelper.getStorageUnitStatusEntity(storageUnitStatus);

        // Update the storage unit status.
        updateStorageUnitStatus(storageUnitEntity, storageUnitStatusEntity, reason);
    }

}