Mr Yuan,
I got a question for you.
Why is it that we have few chinese on this list? no chinese participating
to the development?
can't get to the net? too busy making money? moving to silicon valley? all
of the above?
I mean we got people from All Over the world, at least the civilized world,
er I mean the western world.
We have Russia, finlandia, sweden, uk, france, portugal, italy, germany of
course... then in the US you got some, the most "yes we do business and we
do code " kinda crowd :) so what's up with you?
I really want to know.
marc
|-----Original Message-----
|From: [EMAIL PROTECTED]
|[mailto:[EMAIL PROTECTED]]On Behalf Of Ole Husgaard
|Sent: Tuesday, January 23, 2001 8:06 PM
|To: jBoss
|Subject: Re: [jBoss-User] DataSource question
|
|
|Hi,
|
|"Walter M. Yuan" wrote:
|> Got a newbie question on DataSource--
|>
|> what's the difference among XADataSource, JDBCDataSource and
|DataSource in jboss?
|
|They are all resources that you can use in
|your enterprise bean. And the above are all
|datasources, ie. factories for database
|connections.
|
|DataSource is just the interface of (non-XA)
|datasources.
|XADataSource is an XA datasource, and JDBCDataSource
|is a non-XA datasource.
|
|XA resources differ from non-XA resources in
|how they work with the transaction manager.
|An XA resource can handle the two phase
|transaction commit protocol that is needed
|for correct operation when a transaction is
|terminated. Non-XA resources only support
|one phase commit, and are not really meant
|for EJB.
|
|Unless you know what you are doing, stay
|away from the JDBCDataSource.
|
|
|Best Regards,
|
|Ole Husgaard.
|
|
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