IN a stateful session bean, you need to save the state of the bean when it
is passivated in case the server crashes while the bean is passivated. Great.
Yet, the spec says yo shouldn't do I/O.
A BMP Entity bean needs to save its state when passivated. Since there's
not a requirement as such that t the bean use a db, it could end up doing I/O
of some kind. In fact, I've read that BMP is good for sending or getting data
from a legacy app. I see no way to do any of this wihtout violating the
restriction on I/O. How do I save my session bean's state to persistent
storeage without doing I/O, unless I want to use a database, which then means
creating an Entity beanperhaps for the sole purpose of avoiding opening a
strream or socket. SO I don't see how to put the restrictions and passivation
of a stateful sessin bean or the restrictions and the work of a BMP together.
Can someone enlighten me o on this? Thanks.
Ken
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