/** Resort interwiki hits so that they are grouped by interwiki prefix */
public void sortTitlesByInterwiki() {
HashSet<String> orderSet = new HashSet<String>();
ArrayList<String> ordered = new ArrayList<String>();
HashMap<String, ArrayList<ResultSet>> groups = new HashMap<String, ArrayList<ResultSet>>();
for (ResultSet rs : titles) {
String iw = rs.getInterwiki();
if (!orderSet.contains(iw)) {
orderSet.add(iw);
ordered.add(iw);
}
ArrayList<ResultSet> group = groups.get(iw);
if (group == null) {
group = new ArrayList<ResultSet>();
groups.put(iw, group);
}
group.add(rs);
}
ArrayList<ResultSet> sorted = new ArrayList<ResultSet>();
for (String iw : ordered) {
sorted.addAll(groups.get(iw));
}
titles = sorted;
}
