On Thu, Sep 10, 2015 at 11:13 PM, Jody Garnett <[email protected]> wrote:
> Since its not an "Ordered" DataStore that should preserve order I'd >> suggest to remove these tests. Opinions? >> > > If you change the functionality, change the test to match. There should > now be several feature collection implementations to choose from so code > that requires a TreeSet based functionality has a migration path. > > I'm wondering how you would think about this "proposal". However, STRtree >> internal creates a new List every type the Index is requested. I haven't >> investigated thread savety of STRtree yet. Maybe anybody of you has much >> more experiance than me to give feedback on that >> > > The index needs to get rebuilt each time a feature is modified, so other > than that overhead (which could be pushed off until "commit" ) it should be > workable. The List should not be a problem, as it offers you a bit of > independence (at the cost of possibly traversing through out of date > information). > > One coud use a quadtree index instead, it can be modified without rebuilding it, but it's more prone to degeration to linked list, the STRTree is packed and optimized for balancing, but as you say, it's a pain if stuff gets modified. I don't think any of the JTS indexes is thread safe. Cheers Andrea -- == GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions S.A.S. Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 http://www.geo-solutions.it http://twitter.com/geosolutions_it *AVVERTENZE AI SENSI DEL D.Lgs. 196/2003* Le informazioni contenute in questo messaggio di posta elettronica e/o nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il loro utilizzo è consentito esclusivamente al destinatario del messaggio, per le finalità indicate nel messaggio stesso. Qualora riceviate questo messaggio senza esserne il destinatario, Vi preghiamo cortesemente di darcene notizia via e-mail e di procedere alla distruzione del messaggio stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso, divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od utilizzarlo per finalità diverse, costituisce comportamento contrario ai principi dettati dal D.Lgs. 196/2003. The information in this message and/or attachments, is intended solely for the attention and use of the named addressee(s) and may be confidential or proprietary in nature or covered by the provisions of privacy act (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection Code).Any use not in accord with its purpose, any disclosure, reproduction, copying, distribution, or either dissemination, either whole or partial, is strictly forbidden except previous formal approval of the named addressee(s). If you are not the intended recipient, please contact immediately the sender by telephone, fax or e-mail and delete the information in this message that has been received in error. The sender does not give any warranty or accept liability as the content, accuracy or completeness of sent messages and accepts no responsibility for changes made after they were sent or for other risks which arise as a result of e-mail transmission, viruses, etc. -------------------------------------------------------
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