public boolean marshalSingleValue(XPathFragment xPathFragment, MarshalRecord marshalRecord, Object object, Object targetObject, AbstractSession session, NamespaceResolver namespaceResolver, MarshalContext marshalContext) { Object fieldValue = xmlObjectReferenceMapping.buildFieldValue(targetObject, xmlField, session); if (fieldValue == null) { if(null != targetObject) { XMLField fkField = (XMLField) xmlObjectReferenceMapping.getSourceToTargetKeyFieldAssociations().get(xmlField); fieldValue = marshalRecord.getMarshaller().getXMLContext().getValueByXPath(targetObject, fkField.getXPath(), fkField.getNamespaceResolver(), Object.class); } if(null == fieldValue) { return false; } } QName schemaType = getSchemaType(xmlField, fieldValue, session); String stringValue = getValueToWrite(schemaType, fieldValue, (XMLConversionManager) session.getDatasourcePlatform().getConversionManager(),namespaceResolver); XPathFragment groupingFragment = marshalRecord.openStartGroupingElements(namespaceResolver); if (xPathFragment.isAttribute()) { marshalRecord.attribute(xPathFragment, namespaceResolver, stringValue); marshalRecord.closeStartGroupingElements(groupingFragment); } else { marshalRecord.closeStartGroupingElements(groupingFragment); marshalRecord.characters(stringValue); } return true; }