public <T> T update(UpdateQuery<T> query) throws DBException {
try {
query.setDb(this);
Session session = this.beginTransaction();
T result = query.query(session);
this.commit();
return result;
} catch (DBException e) {
this.rollback();
throw e;
} catch (Exception e) {
this.rollback();
throw new DBException("Update Error: ", e);
} finally {
this.endTransaction();
}
}
