@Transactional(readOnly = true)
public Object doWork(Session s, ServiceFactory sf) {
if (q == null) {
return null;
}
final Class<?> cls = values.onlyTypes.get(0);
FullTextSession session = Search.createFullTextSession(s);
Criteria criteria = criteria(session);
if (criteria == null) {
return null; // EARLY EXIT. See criteria method.
}
final String ticket975 =
"ticket:975 - Wrong return type: %s instead of %s\n"
+ "Under some circumstances, byFullText and related methods \n"
+ "like bySomeMustNone can return instances of the wrong \n"
+ "types. One known case is the use of onlyAnnotatedWith(). \n"
+ "If you are recieving this error, please try using the \n"
+ "intersection/union methods to achieve the same results.";
// Main query
FullTextQuery ftQuery = session.createFullTextQuery(this.q, cls);
initializeQuery(ftQuery);
List<?> result = ftQuery.list();
int totalSize = ftQuery.getResultSize();
if (result.size() == 0) {
// EARLY EXIT
return result; // of wrong type but with generics it doesn't matter
}
final Map<Long, Integer> order = new HashMap<Long, Integer>();
final Map<Long, Float> scores = new HashMap<Long, Float>();
final Map<Long, Object[]> projections = new HashMap<Long, Object[]>();
for (int i = 0; i < result.size(); i++) {
Object[] parts = (Object[]) result.get(i);
scores.put((Long) parts[1], (Float) parts[0]);
order.put((Long) parts[1], i);
projections.put((Long) parts[1], parts);
}
// TODO Could add a performance optimization here on returnUnloaded
final LinkedList<Long> ids = new LinkedList<Long>(scores.keySet());
final List<IObject> check975 = new ArrayList<IObject>();
while (ids.size() > 0) {
final List<Long> page = new ArrayList<Long>();
for (int i = 0; i < 1000 && ids.size() > 0; i++) {
page.add(ids.removeFirst());
}
if (criteria == null) {
criteria = criteria(session);
}
criteria.add(Restrictions.in("id", page));
check975.addAll(criteria.list());
criteria = null;
}
for (IObject object : check975) {
// TODO This is now all but impossible. Remove
if (!cls.isAssignableFrom(object.getClass())) {
throw new ApiUsageException(String.format(ticket975, object.getClass(), cls));
} else {
object.putAt(TOTAL_SIZE, totalSize);
object.putAt(ProjectionConstants.SCORE, scores.get(object.getId()));
object.putAt(ALL_PROJECTIONS, projections.get(object.getId()));
}
}
// Order return value based on the original ordering
final Comparator cmp =
new Comparator() {
public int compare(Object obj1, Object obj2) {
IObject o1 = (IObject) obj1;
IObject o2 = (IObject) obj2;
Long id1 = o1.getId();
Long id2 = o2.getId();
Integer idx1 = order.get(id1);
Integer idx2 = order.get(id2);
return idx1.compareTo(idx2);
}
};
Collections.sort(check975, cmp);
return check975;
}
