@Transactional(readOnly = false, propagation = Propagation.REQUIRED) @Override public void removeGeneralNodeDatumMetadata(Long nodeId, String sourceId) { GeneralNodeDatumMetadata meta = generalNodeDatumMetadataDao.get(new NodeSourcePK(nodeId, sourceId)); if (meta != null) { generalNodeDatumMetadataDao.delete(meta); } }