Based on reading the same comments you read, I'm pretty doubtful that Codec.getDefault() is going to work. It seems to me that this situation renders the FilterCodec a bit hard to to use, at least given the 'every release deprecates a codec' sort of pattern.
On Thu, Feb 12, 2015 at 3:20 AM, Uwe Schindler <u...@thetaphi.de> wrote: > Hi, > > How about Codec.getDefault()? It does indeed not necessarily return the > newest one (if somebody changes the default using Codec.setDefault()), but > for your use case "wrapping the current default one", it should be fine? > > I have not tried this yet, but there might be a chicken-egg problem: > - Your codec will have a separate name and be listed in META-INF as service > (I assume this). So it gets discovered by the Codec discovery process and is > instantiated by that. > - On loading the Codec framework the call to codec.getDefault() might get in > at a time where the codecs are not yet fully initialized (because it will > instantiate your codec while loading the META-INF). This happens before the > Codec class is itself fully statically initialized, so the default codec > might be null... > So relying on Codec.getDefault() in constructors of filter codecs may not > work as expected! > > Maybe try it out, was just an idea :-) > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > >> -----Original Message----- >> From: Benson Margulies [mailto:bimargul...@gmail.com] >> Sent: Thursday, February 12, 2015 2:11 AM >> To: java-user@lucene.apache.org >> Subject: A codec moment or pickle >> >> I have a class that extends FilterCodec. Written against Lucene 4.9, it uses >> the >> Lucene49Codec. >> >> Dropped into a copy of Solr with Lucene 4.10, it discovers that this codec is >> read-only in 4.10. Is there some way to code one of these to get 'the default >> codec' and not have to chase versions? >> >> --------------------------------------------------------------------- >> 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
