Hi Tobias, thanks for the info! I'm gonna consult with my team and we'll get back with some suggestions.
2010/1/14 Tobias Ivarsson <tobias.ivars...@neotechnology.com>: > Hi Raul! > > Yes, Neo4j has such functionality, but we have not specified the final API > for it yet. There is code implementing it from an old API that we used in > house back when Neo4j was young. I don't know if all functionality of it is > still hooked up though, and it is of course undocumented. If you look in the > org.neo4j.kernel.impl.event package of the Neo4j kernel component there is > the current code for it. It is highly volatile and likely only work with the > current (1.0-rc) and next (1.0) release, since a public event framework is > planned for the release after that (1.1). > > Since the proper event API isn't done yet, it is still possible to come with > suggestions to how you would want it to work. Do you want events to be fired > just before commit or just after? Or perhaps hooks for both? What data would > you want access to in the event callback? Do you want a coarse grained > events (commit, rollback) or fine grained events (node_created, > node_property_set, relationship_created, ...)? Ideas are welcome! > > Cheers, > Tobias > > On Thu, Jan 14, 2010 at 1:32 AM, Raul Raja Martinez <raulr...@gmail.com>wrote: > >> Hi, >> >> Does neo4j provide some way for adding listeners to the transaction >> lifecycle? >> We would like to intercept when transacions are commited, created and >> rolledback to provide our own functionality >> for example ensure that a given node property is always set or some >> other properties are within a range. >> Most ORM solutions like hibernate allow devs to register to events in >> the system to which they can react when certain events are triggered. >> We need such functionality in general for Traversers, Transactions, >> Inserts, Updates, Cache etc... >> _______________________________________________ >> Neo mailing list >> User@lists.neo4j.org >> https://lists.neo4j.org/mailman/listinfo/user >> > > > > -- > Tobias Ivarsson <tobias.ivars...@neotechnology.com> > Hacker, Neo Technology > www.neotechnology.com > Cellphone: +46 706 534857 > _______________________________________________ > Neo mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > -- Raul Raja _______________________________________________ Neo mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
