I think you may need a transaction, http://xrl.in/411x
PersistenceManager pm = pmf.getPersistenceManager();
Transaction tx = pm.currentTransaction();
try
{
tx.begin();
{users code to persist objects}
tx.commit();
}
finally
{
if (tx.isActive())
{
tx.rollback();
}
}
pm.close();
Saurabh Mehta wrote:
> Hi,
>
> How can we get the value of a newly created key (system-generated), as
> soon as after we save the entity.
>
> In other words, is it possible to do something like this?
>
> @PrimaryKey
> @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
> private Key key;
> .
> .
> .
> .
> public Key save(OBJ obj) {
> PersistenceManager pm = PMF.get().getPersistenceManager();
> pm.makePersistent(obj);
> return obj.getKey();
> }
>
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