/**
* Subclasses can override this method to cater to their special needs for
* UndeterminedRelationships by default, it expects something like this in the original EAD:
*
* <p>
*
* <pre>{@code
* <persname source="terezin-victims" authfilenumber="PERSON.ITI.1514982">Kien,
* Leonhard (* 11.5.1886)</persname>
* }</pre>
*
* <p>it works in unison with the extractRelations() method.
*
* @param unit the current unit
*/
protected void solveUndeterminedRelationships(DocumentaryUnit unit) throws ValidationError {
// Try to resolve the undetermined relationships
// we can only create the annotations after the DocumentaryUnit
// and its Description have been added to the graph,
// so they have IDs.
Api api = ApiFactory.noLogging(framedGraph, actioner.as(UserProfile.class));
Bundle linkBundle =
new Bundle(EntityClass.LINK)
.withDataValue(Ontology.LINK_HAS_DESCRIPTION, RESOLVED_LINK_DESC);
for (Description desc : unit.getDescriptions()) {
// Put the set of relationships into a HashSet to remove duplicates.
for (AccessPoint rel : Sets.newHashSet(desc.getAccessPoints())) {
// the wp2 undetermined relationship that can be resolved have a 'cvoc' and a 'concept'
// attribute.
// they need to be found in the vocabularies that are in the graph
if (rel.getPropertyKeys().contains("cvoc")) {
String vocab = rel.getProperty("cvoc");
String conceptId = rel.getProperty("concept");
if (conceptId == null) {
conceptId = rel.getProperty("target");
}
logger.debug("cvoc: {}, concept: {}", vocab, conceptId);
try {
Vocabulary vocabulary = manager.getEntity(vocab, Vocabulary.class);
for (Concept concept : vocabulary.getConcepts()) {
logger.debug("********************* {} {}", concept.getId(), concept.getIdentifier());
if (concept.getIdentifier().equalsIgnoreCase(conceptId)) {
try {
// TODO: Fix link type here...
Bundle data = linkBundle.withDataValue(Ontology.LINK_HAS_TYPE, "associative");
Link link = api.create(data, Link.class);
unit.addLink(link);
concept.addLink(link);
link.addLinkBody(rel);
logger.debug("link created between {} and {}", conceptId, concept.getId());
} catch (PermissionDenied | DeserializationError ex) {
logger.error(ex.getMessage());
}
}
}
} catch (ItemNotFound ex) {
logger.error("Vocabulary with id {} not found: {}", vocab, ex.getMessage());
}
} else {
logger.debug("no cvoc found");
}
}
}
}
/**
* Finds any bundle in the graph with the same ObjectIdentifier. If there is no bundle with this
* identifier, it is created. If it exists and a Description in the given language exists from the
* same source file, the description is replaced. If the description is from another source, it is
* added to the bundle's descriptions.
*
* @param unit the DocumentaryUnit to be saved
* @param descBundle the documentsDescription to replace any previous ones with this language
* @param idPath the ID path of this bundle (will be relative to the ID path of the permission
* scope)
* @return A bundle with description relationships merged.
*/
protected Bundle mergeWithPreviousAndSave(Bundle unit, Bundle descBundle, List<String> idPath)
throws ValidationError {
final String languageOfDesc = descBundle.getDataValue(Ontology.LANGUAGE_OF_DESCRIPTION);
final String thisSourceFileId = descBundle.getDataValue(Ontology.SOURCEFILE_KEY);
logger.debug(
"merging: descBundle's language = {}, sourceFileId = {}", languageOfDesc, thisSourceFileId);
/*
* for some reason, the idpath from the permissionscope does not contain the parent documentary unit.
* TODO: so for now, it is added manually
*/
List<String> itemIdPath = Lists.newArrayList(getPermissionScope().idPath());
itemIdPath.addAll(idPath);
Bundle unitWithIds = unit.generateIds(itemIdPath);
logger.debug("merging: docUnit's graph id = {}", unitWithIds.getId());
// If the bundle exists, we merge
if (manager.exists(unitWithIds.getId())) {
try {
// read the current item’s bundle
Bundle oldBundle = mergeSerializer.vertexToBundle(manager.getVertex(unitWithIds.getId()));
// filter out dependents that a) are descriptions, b) have the same language/code,
// and c) have the same source file ID
BiPredicate<String, Bundle> filter =
(relationLabel, bundle) -> {
String lang = bundle.getDataValue(Ontology.LANGUAGE);
String oldSourceFileId = bundle.getDataValue(Ontology.SOURCEFILE_KEY);
return relationLabel.equals(Ontology.DESCRIPTION_FOR_ENTITY)
&& bundle.getType().equals(EntityClass.DOCUMENTARY_UNIT_DESCRIPTION)
&& (lang != null && lang.equals(languageOfDesc))
&& (oldSourceFileId != null && oldSourceFileId.equals(thisSourceFileId));
};
Bundle filtered = oldBundle.filterRelations(filter);
return unitWithIds
.withRelations(filtered.getRelations())
.withRelation(Ontology.DESCRIPTION_FOR_ENTITY, descBundle);
} catch (SerializationError ex) {
throw new ValidationError(unit, "serialization error", ex.getMessage());
} catch (ItemNotFound ex) {
throw new ValidationError(unit, "item not found exception", ex.getMessage());
}
} else { // else we create a new bundle.
return unit.withRelation(Ontology.DESCRIPTION_FOR_ENTITY, descBundle);
}
}