I guess you can implement createBitSet() more effciently by using Filer,but not BooleanQuery
2008/2/25, Gabriel Landais <[EMAIL PROTECTED]>: > > Gabriel Landais a écrit : > > > How to create a Filter for a field in Collection<String>? > > First, split Collection in Collection<Collection> with > > BooleanQuery.maxClauseCount items maximum in each collection. > > For each collection : > > create a BooleanQuery with a TermQuery for each String. > > perform a search with a HitCollector filling a BitSet > > Now we have BitSet of each Collection, perform a BitSet.or to get a > > final BitSet > > Build a Filter based on that BitSet, and use that Filter as parameter > > of each search > > > > It works perfectly. It is implemented in a GPL project, aka > "simexplorer-is", in class LuceneDatabase (createFilter) : > < > https://labs.libre-entreprise.org/plugins/scmsvn/viewcvs.php/trunk/simexplorer-is/simexplorer-is-storage/src/java/fr/cemagref/simexplorer/is/storage/database/lucene/?root=simexplorer-si > > > I think that this class is a good sample of what is possible to do with > Lucene as a metadata database. > Hope it will help. > Regards, > > > -- > Gabriel <[EMAIL PROTECTED]> > http://www.codelutin.com > tel : 02 40 50 29 28 / fax : 09 59 92 29 28 > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
