@Override
public G next() throws NoSuchElementException {
G next = features.next();
String featureId = next.getIdentifier().getID();
Ref ref = typeTree.get(featureId);
String versionId = ref == null ? null : ref.getObjectId().toString();
return VersionedFeatureWrapper.wrap(next, versionId);
}
@Override
protected F computeNext() {
if (!iterator.hasNext()) {
return endOfData();
}
F next = iterator.next();
String featureId = next.getIdentifier().getID();
Ref ref = currentTypeTree.get(featureId);
String versionId = ref == null ? null : ref.getObjectId().toString();
return VersionedFeatureWrapper.wrap(next, versionId);
}
@Override
public Feature apply(final Ref featureRef) {
String featureId = featureRef.getName();
ObjectId contentId = featureRef.getObjectId();
StagingDatabase database = repo.getIndex().getDatabase();
Feature feature;
try {
ObjectReader<Feature> featureReader =
serialisingFactory.createFeatureReader(type, featureId);
feature = database.get(contentId, featureReader);
} catch (IOException e) {
throw new RuntimeException(e);
}
return VersionedFeatureWrapper.wrap(feature, featureRef.getObjectId().toString());
}
