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Re: [eclipselink-dev] SessionEventListener question
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Hi Dennis,
Our session events are synchronous. They allow you to do things like query
and the operation that causes the event will not proceed until you return from
the event.
-Tom
On 23/04/2013 10:24 PM, Dennis Fuglsang wrote:
I have a use case that I believe can be handled through a custom
SessionEventListener but I have a few questions concerning the possible
implementation. In the use case, before certain objects in my DB are deleted I
need to execute a number of queries against that DB to acquire related object
data. If I listen for PostCalculateUnitOfWorkChangeSet events will I be able
to query for the related data before the delete transaction commits? I assume
that these are asynchronous operations and that EclipseLink would proceed and
commit the transaction, possibly while I am still processing the event and
before I complete gathering my related data. Is that correct?
Any help or suggestions you can provide would be greatly appreciated.
Thanks,
Dennis Fuglsang
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