code: public ManageableCollection getCollectionByQuery(Class collectionClass, Query query)
              throws PersistenceBrokerException
      {
          return referencesBroker.getCollectionByQuery(collectionClass, query, false);
      }
docs: retrieve a collection of type collectionClass matching the Query query
  
  @see org.apache.ojb.broker.PersistenceBroker#getCollectionByQuery(Class, Query)