Bryan Field-Elliot wrote:
> The jBoss docs are not very clear with respect to entity beans, "tuned
> updates", and the optional "isModified" method. If I am using CMP,
> should I turn on tuned updates, or implement an isModified() method, or
> both? What about the BMP scenario?
I'd go with tuned-updates for CMP, and isModified for BMP.
reason: isModified will still result in JAWS attempting to update your
primary key, but tuned updates will fix that. This obnoxious updating of
primary keys will die in an upcoming release.
tuned-updates is a CMP only feature, so you really can't even specify it
for BMP.
As long as you're in jaws.xml putting tuned-updates in, you should also
add 'has-pk-constraint' so that jaws will generate a proper primary key
definition when it generates your table. If your table already exists,
make sure you add the primary key constraint, or performance will
suffer, to put it mildly.
-danch
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