>
> Interesting view. Sooo, databases aren't allowed to do file I/O then by
your
> reasoning? ;-) Note that there are some databases that run in-VM so
there's
> no socket connection between the JDBC driver and the database.
Maybe I mis-understand your position on helper classes Rickard. Remember I
as a EJB 1.1 developer dont setup JDBC drivers. I simply work at the
interface layer and a deployer sets the driver. If that deployer on their
own platform uses a driver that doesnt work on that platform, then that was
their issue not mine. I worked at the interface layer, stuck with only
those interfaces which were a part of the spec, and left the specific driver
up to the deployer.
For instance, take Jonathans very good point about the Connector
architecture. Connectectors are interfaces which are part of the EJB spec.
A deployer maps an interface to an implementation, and should therefore
choose that implementation based on based on their platform. I see no issue
with this, and see no issue if the Connector is a file I/O connector. If I
were running on an in-memory file system, as a deployer I would have to
choose a Connector driver which doesnt use file I/O. But with a helper
class that YOU developed outside of a predefined interface, the deployer has
no choice do they?
But to say my bean loads some other Helper class, and it did the I./O
instead of the bean is NOT the same issue in my mind.
Dave Wolf
Internet Applications Division
Sybase
>
> I see what you're getting at, but it's a somewhat flawed argument given
the
> above.
>
> /Rickard
>
>
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