/** {@inheritDoc} */
@SuppressWarnings({"SuspiciousMethodCalls"})
public boolean retainAll(Collection<?> collection) {
boolean modified = false;
TLongIterator iter = iterator();
while (iter.hasNext()) {
if (!collection.contains(Long.valueOf(iter.next()))) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll(TLongCollection collection) {
if (this == collection) {
return false;
}
boolean modified = false;
TLongIterator iter = iterator();
while (iter.hasNext()) {
if (!collection.contains(iter.next())) {
iter.remove();
modified = true;
}
}
return modified;
}
private long any(TLongSet nodes) {
TLongIterator iterator = nodes.iterator();
long id = iterator.next();
iterator.remove();
return id;
}