Hi,
as I understand the specification, it is up to the container to synchronize
existing entity bean instances with the DB, i.e. the bean developer must not
make any assumptions as to when the ejbStore() / ejbLoad() methods are called.
If this is the case, how is consistency preserved if the tables associated
with the enitity bean is accessed "behind the bean's back"? Imagine something
like this:
orderItem.setPrice(100.00);
statement.execute("SELECT SUM(price) FROM OrderItem WHERE OrderID=1234");
Here the price column of an OrderItem record (represented by an entity bean)
is updated and the table is queried immediately after. For this to work, the
entity bean must have been written to the database before the execution of
the SELECT statement. How is data integrity guaranteed in this case?
thx
Heiko
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