Re: Difference between commit and flush in Hibernate
santax wrote:
On May 28, 10:02 am, Arne Vajh?j <a...@vajhoej.dk> wrote:
santax wrote:
Could you please tell me the difference between commit(method of
Session) and flush(method of Transaction) in Hibernate?
It is my understanding that flush causes Hibernate to execute
SQL statements via JDBC while commit end up as a database
commit. Two completely different things.
Can I simplely understande the difference as below:
1 flush execute the sql
Yes.
2 commit close the connection
No. Commit commits the transaction (as the method name indicates).
And when you call commit should be determined by your
business logic.
So, I should call the method "commit" in business layer but not in
persistence layer, is that right?
Depends on your application design, but in most cases that will
be the correct place to do it. Only the business layer knows
if all changes that belongs to the transaction has been done
and whether it should be a commit or a rollback.
Arne
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