HashMap<String, Object> params = new HashMap<String, Object>();
params.put("dataInicio", dataInicio);
params.put("dataFim", dataFim);
params.put("telecentro", telecentro);
List<Persistent> list = pa
.search(
"FROM Visita WHERE dataInicio >= :dataInicio AND dataFim <= :dataFim AND telecentro=:telecentro",
params);
for (Persistent persistent : list) {
items.add((Visita) persistent);