Hi,
Is there a way to have Hibernate persist only objects that I specifically want to save? In other words, the user may modify an object but abandon the changes -- with the standard behaviour, these changes will be persisted upon "flush". I don't want to close the session or use "evict". I want to keep the session live, but objects should only be persisted when I expressively want to save them.

Also, is there a quick way to determine whether an object is persistent or detached?

Thanks for any advice.

Jen

1)try use Transaction api.
2) use

Cool, thanks. What is the best way to re-attach a detached object? I want to use lock(LockMode.NONE), but the doc says the object cannot be modified. What if I want to reattach an object that I've changed, without forcing ot to be persisted?

Thanks!

re-attach and not save modified object? not is good. try other way.