it's something over there https://github.com/apache/lucene/blob/4e2ce76b3e131ba92b7327a52460e6c4d92c5e33/lucene/highlighter/src/java/org/apache/lucene/search/highlight/Highlighter.java#L159
On Sun, Nov 12, 2023 at 11:42 PM Michael Wechner <michael.wech...@wyona.com> wrote: > Hi Mikhail > > Thank you very much for your feedback! > > I have found various examples for the first option when running a query, > e.g. > > https://howtodoinjava.com/lucene/lucene-search-highlight-example/ > > but don't understand how to implement the second option, resp. how to > get the extracted terms of a document field independent of a query? > > Can you maybe give a code example? > > Thanks > > Michael > > > > Am 12.11.23 um 18:46 schrieb Mikhail Khludnev: > > Hello, > > This is what highlighters do. There are two options: > > - index termVectors, obtain them in search time. > > - obtain the stored field value, analyse it again, get all terms. > > Good Luck > > > > On Sun, Nov 12, 2023 at 7:47 PM Michael Wechner < > michael.wech...@wyona.com> > > wrote: > > > >> HI > >> > >> IIUC I can get all terms of a particular field of an index with > >> > >> IndexReader reader = DirectoryReader.open(„index_directory"); > >> List<LeafReaderContext> list = reader.leaves(); > >> for (LeafReaderContext lrc : list) { > >> Terms terms = lrc.reader().terms(„field_name"); > >> if (terms != null) { > >> TermsEnum termsEnum = terms.iterator(); > >> BytesRef term = null; > >> while ((term = termsEnum.next()) != null) { > >> System.out.println("Term: " + term.utf8ToString()); > >> } > >> } > >> } > >> reader.close(); > >> But how I can get all terms of a particular field of a particular > document? > >> Thanks > >> Michael > >> > >> P.S.: Btw, does it make sense to update the Lucene FAQ > >> > >> > https://cwiki.apache.org/confluence/display/lucene/lucenefaq#LuceneFAQ-HowdoIretrieveallthevaluesofaparticularfieldthatexistswithinanindex,acrossalldocuments > >> ? > >> with the code above? > >> I can do this, but want to make sure, that I don’t update it in a wrong > >> way. > >> > >> > >> > >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > -- Sincerely yours Mikhail Khludnev
