/**
* 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");
}
}
}
}
// Sort the children by identifier. FIXME: This might be a bad assumption!
private Iterable<DocumentaryUnit> getOrderedChildren(DocumentaryUnit unit) {
return api.query()
.orderBy(Ontology.IDENTIFIER_KEY, QueryApi.Sort.ASC)
.setLimit(-1)
.setStream(true)
.page(unit.getChildren(), DocumentaryUnit.class);
}
private void addRevisionDesc(XMLStreamWriter sw, DocumentaryUnit unit) {
List<List<SystemEvent>> eventList = Lists.newArrayList(api.events().aggregateForItem(unit));
if (!eventList.isEmpty()) {
tag(
sw,
"revisiondesc",
() -> {
for (int i = eventList.size() - 1; i >= 0; i--) {
List<SystemEvent> agg = eventList.get(i);
SystemEvent event = agg.get(0);
tag(
sw,
"change",
() -> {
tag(sw, "date", new DateTime(event.getTimestamp()).toString());
if (event.getLogMessage() == null || event.getLogMessage().isEmpty()) {
tag(sw, "item", event.getEventType().name());
} else {
tag(
sw,
"item",
String.format("%s [%s]", event.getLogMessage(), event.getEventType()));
}
});
}
});
}
}