Thanks ! but maybe it will be slower if one only have one deleted node in a tx ? Want it fast both for small and huge transactions is it not possible to find out if a node is deleted or not without using an internal collection ?
On Sunday, December 19, 2010, Mattias Persson <matt...@neotechnology.com> wrote: > I just added TransactionData#isDeleted(Node) and > TransactionData#isDeleted(Relationship) and made the internal collection to > hold the deleted entities a HashSet for fast lookups. > > 2010/12/15 Mattias Persson <matt...@neotechnology.com> > >> >> >> 2010/12/14 Andreas Ronge <andreas.ro...@gmail.com> >> >> Hi >>> >>> I'm still struggling with not having a Node.isDeleted() method in the API. >>> >>> Here is an example where I need this method: >>> I'm using the event framework to implemented a simple rule system. >>> When a node/relationship changes it can trigger an action like setting >>> a property on another node. >>> That node must not have been deleted (in the same transaction). >>> The only way to detect if a node has been deleted is to loop through >>> the org.neo4j.graphdb.event.TransactionData#deletedNodes() >>> which feel clumsy. Another solution might be to change the Event API >>> to make this easier (and faster ?) to do ? >>> >> >> Yes, maybe the data in TransactionData could be a little better, f.ex. >> exposing a method #nodeIsDeleted(Node) and many more of those? >> >> >>> >>> I mostly need the isDeleted() method in my unit tests where I want to >>> delete every node after a test, or test if a node exist or not. >>> >>> /Andreas >>> _______________________________________________ >>> Neo4j mailing list >>> User@lists.neo4j.org >>> https://lists.neo4j.org/mailman/listinfo/user >>> >> >> >> >> -- >> Mattias Persson, [matt...@neotechnology.com] >> Hacker, Neo Technology >> www.neotechnology.com >> > > > > -- > Mattias Persson, [matt...@neotechnology.com] > Hacker, Neo Technology > www.neotechnology.com > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
