LUCENE-1410 has the PFor impl, that the PFor codec needs. Mike
On Thu, Jan 7, 2010 at 7:46 AM, Renaud Delbru <renaud.del...@deri.org> wrote: > Hi Michael, > > I have started to look at the PFOR codec. However, when I include the codec > files inside the flex_1458 branch, it misses the > org.apache.lucene.util.pfor.PFor class which is the core of the codec. Where > can I find this class ? > > Thanks, > Regards > -- > Renaud Delbru > > On 16/11/09 14:01, Michael McCandless wrote: >> >> Yes, the branch is here: >> >> https://svn.apache.org/repos/asf/lucene/java/branches/flex_1458 >> >> Mark (Miller) periodically re-sync's it to trunk. >> >> All tests should pass, and if you create a new Codec, please share the >> experience! >> >> There are not yet many Codecs in existence... the branch has the >> "standard" codec (closest to Lucene's current index format, but makes >> some compelling improvements to the terms dict), a "pulsing" codec >> (which inlines low-freq terms into the terms dict), an intblock codec >> (an abstract base for building int-block codecs). There's also the >> PForDelta codec, attached to LUCENE-1410, which subclasses the >> intblock codec and uses PForDelta encoding. It's probably best to >> peek at these example codecs for inspiration on how to build yours. >> >> Mike >> >> On Mon, Nov 16, 2009 at 7:28 AM, Renaud Delbru<renaud.del...@deri.org> >> wrote: >> >>> >>> Hi Michael, >>> >>> I see there is already a huge amount of work already done in LUCENE-1458. >>> Is >>> there a way to checkout the corresponding branch, and start to use it ? >>> At >>> least, to see if I can extend it and create my own Codec. >>> I have started on my side to abstract the indexing chain of Lucene 2.9, >>> in >>> order to be able to plug my own chain, but I have the impression that >>> you've >>> done something similar already (with the codec abstraction). Would be a >>> pity >>> to lose my time doing something less convenient that your appraoch. >>> >>> Thanks. >>> -- >>> Renaud Delbru >>> >>> On 14/11/09 13:22, Michael McCandless wrote: >>> >>>> >>>> On Fri, Nov 6, 2009 at 1:34 PM, Renaud Delbru<renaud.del...@deri.org> >>>> wrote: >>>> >>>> >>>>> >>>>> Hi Michael, >>>>> >>>>> Thanks for the quick fix. I have tested it (indexing multiple documents >>>>> + >>>>> searching), and it seems to work. >>>>> >>>>> On 06/11/09 18:09, Michael McCandless wrote: >>>>> >>>>> >>>>>> >>>>>> To be honest, you are sort of forging new territory here :) >>>>>> >>>>>> >>>>>> >>>>> >>>>> I think so too, not an easy task ;o). I have seen that you have tried >>>>> to >>>>> make modular the indexing chain of Lucene (DocumentsWriter). I still >>>>> try >>>>> to >>>>> have a good understanding of the default indexing, but I would like to >>>>> see >>>>> how it is easy (or difficult) to modify the format of the postings. >>>>> From >>>>> my >>>>> current understanding, it seems that only the consumer at the end of >>>>> this >>>>> chain (FreqProxTermsWriter and its consumer FormatPostingsFieldsWriter) >>>>> has >>>>> to be changed to a certain extend. >>>>> >>>>> >>>> >>>> Right, those two classes do the writing of the postings, currently. >>>> >>>> But with flexible indexing (LUCENE-1458), still in progress, we hope >>>> to make it more easily pluggable, the codec that actually reads& >>>> writes the postings. >>>> >>>> Mike >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >>>> For additional commands, e-mail: java-user-h...@lucene.apache.org >>>> >>>> >>>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >>> For additional commands, e-mail: java-user-h...@lucene.apache.org >>> >>> >>> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
