|Re: re[eclipselink-users] ading entities as other writes to the database happen|
I'm using OC4J as my server Eclipselink as my jpa provider Spring to inject the container managed entity manager and the JTA transactions. I think that using the serializable isolation level on the transaction would achieve our requirements. Richard ageing student wrote: > > Hi, > > I have a requirement to read several unrelated entities. The relative > state of the loaded entities should be as at a specific point in time i.e. > the start of the read operation. Meanwhile other servers may be writing to > the database and I don't wish to include any writes that occur after the > read transaction has started. > > So if I want to load entities A and B, but whilst I'm loading entity A > someone else writes an update to entity B, when I move on to load entity B > I wish to load the data prior to the update. > > > > I think that using isolation levels is the way to go but am unclear on > their use. > -- View this message in context: http://www.nabble.com/reading-entities-as-other-writes-to-the-database-happen-tp18212771p18233549.html Sent from the EclipseLink - Users mailing list archive at Nabble.com.
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