problem/question with getIteratorByQuery()

[Sylvain.Thevoz]

Hello,

I have a question/problem about the function getIteratorByQuery():

Here is a code:

****code****
Iterator iter = null;
try {
  broker = PersistenceBrokerFactory.defaultPersistenceBroker();
  broker.beginTransaction();
  iter = broker.getIteratorByQuery(query);
  broker.commitTransaction();
} catch (PersistenceBrokerException t) {
  broker.abortTransaction();
  t.printStackTrace();
} finally {
  broker.close();
}

while (iter.hasNext()) {
  Person person = (Person) iter.next();
  ....
  some code
  ....
}
****code****

I have noticed that the Iterator object called iter isn't available after the broker 
is closed (no iteration in the "while" statement).
Why?

My idea is to use a broker only when I need one and close it just after the use.
What is the solution?
But could I write the code as below?

****code****
try {
  broker = PersistenceBrokerFactory.defaultPersistenceBroker();
  broker.beginTransaction();
  Iterator iter = broker.getIteratorByQuery(query);
  while (iter.hasNext()) {
    Person person = (Person) iter.next();
    ....
    some code
    ....
  }
  broker.commitTransaction();
} catch (PersistenceBrokerException t) {
  broker.abortTransaction();
  t.printStackTrace();
} finally {
  broker.close();
}
****code****

Thanks for any help
Sylvain

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