Nice Uwe, i'll try this. Thanks, Galaio
On Fri, Jun 19, 2009 at 1:33 PM, Uwe Schindler <u...@thetaphi.de> wrote: > To get the second page, > Take: > int hitsPerPage = 10; > int pageOffset = 10; > TopDocCollector collector = new TopDocCollector(hitsPerPage + pageOffset); > > For page third page take int pageOffset = 20; and so on > > After that your results are in hits[], for the first page in [0] to [9], > the > second page in [10] to [19] and so on: > > To display use something like: > For (int i=pageOffset; Math.min(hitsPerPage + pageOffset, > collector.topDocs().totalhits); i++) > > In general, you cannot retrieve a range directly, you can only retrieve the > top docs. As most people will not go beyond say page 10 when searching, you > have no memory problem, as scoreDocs will contain at most 100 doc ids. > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > > -----Original Message----- > > From: João Silva [mailto:galaio.si...@gmail.com] > > Sent: Friday, June 19, 2009 2:17 PM > > To: java-user@lucene.apache.org > > Subject: Re: Collector Pagination > > > > well, > > > > i have somthing like that: > > > > int hitsPerPage = 10; > > IndexSearcher searcher = new IndexSearcher(this.indexPath); > > TopDocCollector collector = new TopDocCollector(hitsPerPage); > > Query query = new QueryParser("", > > this.analizer).parse(DocumentRepositoryEntry.Fields.ID.toString() + ":" > > + id); > > searcher.search(query, collector); > > > > ScoreDoc[] hits = collector.topDocs().scoreDocs; > > > > i know that the colector have all docs in the query, how do i navigate > > between the next pages? > > > > > > thanks, > > Galaio > > > > > > > > On Fri, Jun 19, 2009 at 12:57 PM, João Silva <galaio.si...@gmail.com> > > wrote: > > > > > Thanks Uwe, I will see that. > > > > > > Galaio > > > > > > > > > > > > > > > On Fri, Jun 19, 2009 at 12:36 PM, Uwe Schindler <u...@thetaphi.de> > wrote: > > > > > >> Hallo, > > >> > > >> Just retrieve the TopDocs for the first n documents, where n = > > >> offset+count, > > >> where offset is the first hit on the page (0-based) and count the > > number > > >> per > > >> page. > > >> To display the results you would then just start at offset in TopDocs > > and > > >> retrieve the stored field from there to offset+count. > > >> > > >> Uwe > > >> > > >> ----- > > >> Uwe Schindler > > >> H.-H.-Meier-Allee 63, D-28213 Bremen > > >> http://www.thetaphi.de > > >> eMail: u...@thetaphi.de > > >> > > >> > > >> > -----Original Message----- > > >> > From: João Silva [mailto:galaio.si...@gmail.com] > > >> > Sent: Friday, June 19, 2009 12:58 PM > > >> > To: java-user@lucene.apache.org > > >> > Subject: Collector Pagination > > >> > > > >> > Hi, > > >> > is there any api form of Hits pagination? > > >> > for example, if i want to retreve the hits between > > >> > an interval. > > >> > > > >> > -- > > >> > Cumprimentos, > > >> > João Carlos Galaio da Silva > > >> > > >> > > >> --------------------------------------------------------------------- > > >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > >> For additional commands, e-mail: java-user-h...@lucene.apache.org > > >> > > >> > > > > > > > > > -- > > > Cumprimentos, > > > João Carlos Galaio da Silva > > > > > > > > > > > -- > > Cumprimentos, > > João Carlos Galaio da Silva > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > -- Cumprimentos, João Carlos Galaio da Silva
