public <V extends ConceptComponent<?, ?>.Version> List<V> locateLatest(
List<V> parts, ViewCoordinate vc) throws IOException {
V latest = null;
OpenBitSet resultsPartSet = new OpenBitSet(parts.size());
for (PositionBI pos : vc.getPositionSet()) {
RelativePositionComputerBI mapper = RelativePositionComputer.getComputer(pos);
OpenBitSet iteratorPartSet = new OpenBitSet(parts.size());
for (int i = 0; i < parts.size(); i++) {
V part = parts.get(i);
if (mapper.onRoute(part)) {
if (latest == null) {
latest = part;
iteratorPartSet.set(i);
} else {
switch (mapper.relativePosition(latest, part)) {
case BEFORE:
// nothing to do
break;
case CONTRADICTION:
iteratorPartSet.set(i);
break;
case AFTER:
latest = part;
iteratorPartSet.clear(0, Integer.MAX_VALUE);
iteratorPartSet.set(i);
break;
default:
break;
}
}
}
}
resultsPartSet.or(iteratorPartSet);
}
List<V> resultsList = new ArrayList<>((int) resultsPartSet.cardinality());
DocIdSetIterator resultsItr = resultsPartSet.iterator();
int id = resultsItr.nextDoc();
while (id != DocIdSetIterator.NO_MORE_DOCS) {
resultsList.add(parts.get(id));
id = resultsItr.nextDoc();
}
return resultsList;
}
public void clear() {
bitset.clear(0, bitset.size());
}