/** Removes the empty iterators. */
private void removeEmptyIterators() {
List<ResolvedConceptReferencesIterator> newList =
new ArrayList<ResolvedConceptReferencesIterator>();
for (ResolvedConceptReferencesIterator itr : _iterators) {
try {
if (itr.hasNext()) {
newList.add(itr);
}
} catch (LBResourceUnavailableException e) {
throw new RuntimeException(e);
}
}
_iterators = newList;
}
/**
* Gets the next from list.
*
* @return the next from list
*/
private ResolvedConceptReference getNextFromList() {
try {
while (hasNext()) {
int iterator = _currentIterator % _iterators.size();
ResolvedConceptReferencesIterator itr = _iterators.get(iterator);
if (itr.hasNext()) {
_currentIterator++;
return itr.next();
} else {
_currentIterator++;
}
}
return null;
} catch (Exception e) {
throw new RuntimeException(e);
}
}