Re: [Neo4j] IndexHits extends Iterable is evil

2011-12-20 Thread Jean-Pierre Bergamin
I created an issue for that: https://github.com/neo4j/community/issues/141 Best regards, James ___ NOTICE: THIS MAILING LIST IS BEING SWITCHED TO GOOGLE GROUPS, please register and consider posting at https://groups.google.com/forum/#!forum/neo4j

[Neo4j] IndexHits extends Iterable is evil

2011-12-09 Thread Jean-Pierre Bergamin
Dear neo4j community and developers For the second time we stumbled about Iterables that are no Iterables in Neo4j. IndexHits e.g. extends Iterator and Iterable and states in its documentation that is not really an iterable but always returns this in calls to iterator(). So far so good. Now when

Re: [Neo4j] Spring Data Graph / Neo4j – Problems with OO Inheritance Polymorphism relation semantics

2011-11-01 Thread Jean-Pierre Bergamin
for a start Regards On Thu, Oct 27, 2011 at 10:01 PM, Jean-Pierre Bergamin jpberga...@gmail.com wrote: Hi Agelos Regarding your 2nd point: 2) 2) The minor issue I have regards (the otherwise brilliant) @Query, due to its constraint of annotating (mainly) Iterable

Re: [Neo4j] Spring Data Graph / Neo4j – Problems with OO Inheritance Polymorphism relation semantics

2011-10-27 Thread Jean-Pierre Bergamin
Hi Agelos Regarding your 2nd point: 2) 2) The minor issue I have regards (the otherwise brilliant) @Query, due to its constraint of annotating (mainly) Iterable and NOT allowing Set, List etc (a runtime exception is thrown org.springframework.data.neo4j.conversion.QueryResultBuilder$1

[Neo4j] Jobangebot in Zürich/Wallisellen als Java-Entwickler mit Neo4j-Kenntnissen

2011-10-12 Thread Jean-Pierre Bergamin
. Viele Grüsse Jean-Pierre Bergamin PS: German is a must. This is why this post is written in German... ;-) -- Junisphere Systems AG Glatt Tower P.O. Box 1572 CH-8301 Glattzentrum Phone +41 43 443 31 80 Direct +41 43 443 31 93 jpberga...@junisphere.net www.junisphere.net

Re: [Neo4j] Meet-up in Zurich

2011-10-05 Thread Jean-Pierre Bergamin
2011/10/4 Andreas Kollegger andreas.kolleg...@neotechnology.com: Or, with an umlaut... Cool. :-) ___ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user

Re: [Neo4j] Spring Data Neo4j 2.0 Roadmap

2011-10-05 Thread Jean-Pierre Bergamin
Hello everyone I'm really glad to see that SDG or SDN (as it will be called on from now on) is actively maintained and that new ideas are followed to solve the day to day problems when working with graphs. I'm not really sad to hear that the AspectJ mapping will not be in main focus for the

Re: [Neo4j] Meet-up in Zurich

2011-10-04 Thread Jean-Pierre Bergamin
Hi Daniel I’ll try to stop by. My friend and I built a startup using Neo4j and we’ve had a great experience so far. Is there RSVP list? Just stop by. There is no RSVP. Best regards, James ___ Neo4j mailing list User@lists.neo4j.org

Re: [Neo4j] Meet-up in Zurich

2011-10-04 Thread Jean-Pierre Bergamin
let's do a meetup group like http://www.meetup.com/Neo4j-Oresund/ ? I created a meetup group and added the first event: http://www.meetup.com/Neo4j-Zurich/events/36063832/ Feel free to join the group. There will hopefully follow a lot of other meet-ups and events. :-) Best regards, James

[Neo4j] Meet-up in Zurich

2011-09-29 Thread Jean-Pierre Bergamin
Dear Graphistas Please join us for the first, spontaneous neo4j meet-up in Zurich on next Thursday 6/10. We meet at 17:00 in the Johanniter in the Niederdorf, drink a beer or two and exchange experiences with Neo4j. See you James ___ Neo4j mailing list

Re: [Neo4j] OSGi and Neo4j - superbundle approach

2011-07-26 Thread Jean-Pierre Bergamin
Helly everyone I'm currently also stuck with the No index provider 'lucene' found error that you all seem to have been able to work around. I have built and installed the 1.5-SNAPSHOT kernel from the bundle-friendly-classloader branch and installed it locally (mvn install). When I run the

Re: [Neo4j] OSGi and Neo4j - superbundle approach

2011-07-26 Thread Jean-Pierre Bergamin
provides the imported packages, e.g. with clhas org.neo4j.graphdb.index.IndexProvider. Best regards, James 2011/7/26 Jean-Pierre Bergamin jpberga...@gmail.com: Helly everyone I'm currently also stuck with the No index provider 'lucene' found error that you all seem to have been able to work around

Re: [Neo4j] OSGi and Neo4j - superbundle approach

2011-07-21 Thread Jean-Pierre Bergamin
://startupbootcamp.org/    - Öresund - Innovation happens HERE. http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. On Wed, Jul 20, 2011 at 9:39 PM, Jean-Pierre Bergamin jpberga...@gmail.com wrote: Hi Peter When I ran mvn install, I got: ... [WARNING] Warning building bundle

Re: [Neo4j] OSGi and Neo4j - superbundle approach

2011-07-20 Thread Jean-Pierre Bergamin
Hello everyone May I chime in here... We are really interested to see neo4j working in an OSGi environment esp. together with Spring Data Graph. After an unsuccessful attempt to get it up and running a couple of weeks ago we gave it another chance today after seeing this post and after a whole

Re: [Neo4j] OSGi and Neo4j - superbundle approach

2011-07-20 Thread Jean-Pierre Bergamin
://www.neo4j.org               - Your high performance graph database. http://startupbootcamp.org/    - Öresund - Innovation happens HERE. http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. On Wed, Jul 20, 2011 at 9:12 PM, Jean-Pierre Bergamin jpberga...@gmail.com wrote: Hello

Re: [Neo4j] Performance issues with small transactions on certain Linux installations

2011-07-14 Thread Jean-Pierre Bergamin
13.07.2011 um 13:58 schrieb Jean-Pierre Bergamin: I ran the write_test on an ubuntu server 10.04 that performs bad with our test app. I first tried to use the 1GB store file as described here: http://wiki.neo4j.org/content/Linux_Performance_Guide I had the effect that a flush-x-x process got

[Neo4j] Performance issues with small transactions on certain Linux installations

2011-07-13 Thread Jean-Pierre Bergamin
Hello neo4j-users This issue has already been reported by Marco here http://lists.neo4j.org/pipermail/user/2011-May/008822.html But I allow myself to pick this up again in a new thread. We have severe performance issues on Linux. Our proof of concept app is up to 40 times slower on Linux then on

Re: [Neo4j] Performance issues with small transactions on certain Linux installations

2011-07-13 Thread Jean-Pierre Bergamin
schrieb Jean-Pierre Bergamin: 2011/7/13 Jean-Pierre Bergamin jpberga...@gmail.com: We have severe performance issues on Linux. We just ran the tests on another Windows 7 x64 Laptop and we also faced very bad performance with just 26 traversals per second (compared to 1000 on a other Windows

Re: [Neo4j] Performance issues with small transactions on certain Linux installations

2011-07-13 Thread Jean-Pierre Bergamin
...@neotechnology.com: James, So you didn't install openjdk on the unix machines using apt-get but the sun/oracle jdk binary? Cheers Michael Am 13.07.2011 um 11:49 schrieb Jean-Pierre Bergamin: Hi Michael All systems at least have Suns JDK 1.6, but with different minor numbers. On my

Re: [Neo4j] Performance issues with small transactions on certain Linux installations

2011-07-13 Thread Jean-Pierre Bergamin
) so that the bottleneck gets obvious. Thanks Michael Am 13.07.2011 um 12:06 schrieb Jean-Pierre Bergamin: On Ubuntu, we installed the sun jdk with apt-get: $ sudo apt-get install python-software-properties $ sudo add-apt-repository deb http://archive.canonical.com/ lucid partner $ sudo

Re: [Neo4j] Spring Data Graph in an OSGi environment

2011-05-24 Thread Jean-Pierre Bergamin
graph database. http://startupbootcamp.org/    - Öresund - Innovation happens HERE. http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. On Mon, May 23, 2011 at 3:44 PM, Jean-Pierre Bergamin jpberga...@gmail.comwrote: I have not spent much more time trying to get SDG

Re: [Neo4j] Spring Data Graph in an OSGi environment

2011-05-23 Thread Jean-Pierre Bergamin
performance graph database. http://startupbootcamp.org/    - Öresund - Innovation happens HERE. http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. On Mon, May 16, 2011 at 3:28 PM, Jean-Pierre Bergamin jpberga...@gmail.comwrote: This could be the problem, yes

Re: [Neo4j] Modelling a fault tree

2011-05-17 Thread Jean-Pierre Bergamin
, this looks a lot like the deduction of resulting permissions in a nested Access Control List. There is a brief example on that at http://wiki.neo4j.org/content/ACL that might be in that direction? Cheers, /peter neubauer On Fri, May 13, 2011 at 2:20 AM, Jean-Pierre Bergamin jpberga

Re: [Neo4j] Spring Data Graph in an OSGi environment

2011-05-16 Thread Jean-Pierre Bergamin
eclipse-registerbuddy to solve a classloader visibility issue.  I'm not sure what the standard approach to this became.  A quick search doesn't deliver anything definitive for bundle-buddypolicy, which I suspect is the standardised mechanism. On 13/05/2011 15:10, Jean-Pierre Bergamin wrote: I

Re: [Neo4j] Traversing all relationship types

2011-05-13 Thread Jean-Pierre Bergamin
/peterneubauer http://www.neo4j.org - Your high performance graph database. http://startupbootcamp.org/- Öresund - Innovation happens HERE. http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. On Wed, May 11, 2011 at 12:41 AM, Jean-Pierre Bergamin jpberga

[Neo4j] Modelling a fault tree

2011-05-13 Thread Jean-Pierre Bergamin
Dear neo4j users We are in the course of evaluating neo4j for our application. Our model is quite similar to a fault tree ( http://en.wikipedia.org/wiki/Fault_tree_analysis), where states (ok or not_ok) in leaf nodes get pushed up the tree. There are rules what state the parent gets, depending on

[Neo4j] Spring Data Graph in an OSGi environment

2011-05-13 Thread Jean-Pierre Bergamin
Dear neo4j community I'm so free to cross post a question to this list that I already posted in the spring forum ( http://forum.springsource.org/showthread.php?109267-Spring-Data-Graph-in-OSGi-environment), since most of the SDG experts probably are subscribed to this list. ;-) Could anyone get

Re: [Neo4j] Spring Data Graph in an OSGi environment

2011-05-13 Thread Jean-Pierre Bergamin
Am 13.05.2011 um 11:26 schrieb Jean-Pierre Bergamin: Dear neo4j community I'm so free to cross post a question to this list that I already posted in the spring forum ( http://forum.springsource.org/showthread.php?109267-Spring-Data-Graph-in-OSGi-environment

[Neo4j] Traversing all relationship types

2011-05-11 Thread Jean-Pierre Bergamin
Hello neo4j users I'm just diving into neo4j and playing around with graph algorithms and traversers. As a start, I just wanted to traverse the whole graph with all relationship types in the OUTGOING direction. The traverse() method always expects a RelationshipType. Is there a simpler way to

Re: [Neo4j] Traversing all relationship types

2011-05-11 Thread Jean-Pierre Bergamin
, Tobias On Wed, May 11, 2011 at 9:08 AM, Jean-Pierre Bergamin jpberga...@gmail.comwrote: Hello neo4j users I'm just diving into neo4j and playing around with graph algorithms and traversers. As a start, I just wanted to traverse the whole graph with all relationship types