/**
* Protected method that deletes all metadata values from the database, should only be called when
* deleting the item.
*
* @param context the dspaceObject
* @param dso the dspaceObject who's metadata we are to delete
*/
protected void deleteMetadata(Context context, T dso) throws SQLException {
Iterator<MetadataValue> metadataValueIterator = dso.getMetadata().iterator();
while (metadataValueIterator.hasNext()) {
MetadataValue metadataValue = metadataValueIterator.next();
metadataValueIterator.remove();
metadataValueService.delete(context, metadataValue);
}
}
private <T extends MetadataItem> PartialList<Metadata> getMetadatas(
int offset, int size, String sortBy, Class<T> clazz) {
PartialList<T> items = persistenceService.getAllItems(clazz, offset, size, sortBy);
List<Metadata> details = new LinkedList<>();
for (T definition : items.getList()) {
details.add(definition.getMetadata());
}
return new PartialList<>(details, items.getOffset(), items.getPageSize(), items.getTotalSize());
}
@Override
public void removeMetadataValues(Context context, T dso, List<MetadataValue> values)
throws SQLException {
Iterator<MetadataValue> metadata = dso.getMetadata().iterator();
while (metadata.hasNext()) {
MetadataValue metadataValue = metadata.next();
if (values.contains(metadataValue)) {
metadata.remove();
// metadataValueService.delete(context, metadataValue);
}
}
dso.setMetadataModified();
}
@Override
public List<MetadataValue> getMetadata(
T dso, String schema, String element, String qualifier, String lang) {
// Build up list of matching values
List<MetadataValue> values = new ArrayList<MetadataValue>();
for (MetadataValue dcv : dso.getMetadata()) {
if (match(schema, element, qualifier, lang, dcv)) {
values.add(dcv);
}
}
// Create an array of matching values
return values;
}
private <T extends MetadataItem> PartialList<Metadata> getMetadatas(Query query, Class<T> clazz) {
if (query.isForceRefresh()) {
persistenceService.refresh();
}
definitionsService.resolveConditionType(query.getCondition());
PartialList<T> items =
persistenceService.query(
query.getCondition(), query.getSortby(), clazz, query.getOffset(), query.getLimit());
List<Metadata> details = new LinkedList<>();
for (T definition : items.getList()) {
details.add(definition.getMetadata());
}
return new PartialList<>(details, items.getOffset(), items.getPageSize(), items.getTotalSize());
}
@Override
public void update(Context context, T dso) throws SQLException, AuthorizeException {
if (dso.isMetadataModified()) {
/*
Update the order of the metadata values
*/
// A map created to store the latest place for each metadata field
Map<MetadataField, Integer> fieldToLastPlace = new HashMap<>();
List<MetadataValue> metadataValues = dso.getMetadata();
for (MetadataValue metadataValue : metadataValues) {
// Retrieve & store the place for each metadata value
int mvPlace = getMetadataValuePlace(fieldToLastPlace, metadataValue);
metadataValue.setPlace(mvPlace);
}
}
}
@Override
public void clearMetadata(
Context context, T dso, String schema, String element, String qualifier, String lang)
throws SQLException {
// We will build a list of values NOT matching the values to clear
Iterator<MetadataValue> metadata = dso.getMetadata().iterator();
while (metadata.hasNext()) {
MetadataValue metadataValue = metadata.next();
if (match(schema, element, qualifier, lang, metadataValue)) {
metadataValue.setDSpaceObject(null);
metadata.remove();
// metadataValueService.delete(context, metadataValue);
}
}
dso.setMetadataModified();
}