I skim through https://lucidworks.com/2015/03/04/solr-suggester/ It seems like AnalyzingInfixLookupFactory. Note despite the blog is about Solr it's based on Lucene classes.
On Sun, Apr 21, 2019 at 11:36 PM Peter Gößweiner < p.e.g.o.t.h.e.o....@gmail.com> wrote: > Hi, > > I'm trying to implement an autocomplete feature based on a filtered set of > documents. > > A user enters multiple terms (separated by space) in an input field and > will get some word suggestions only for the last word entered. All the > words before the current/last word should be used as filter criteria. The > last/current word entered will be auto suggested. > > Documents in my index: > > ||ID||field|| > |1|The quick brown fox was seen in this country| > |2|The fox is quick and has brown dots.| > |3|The fish is quick and it's colour is brown.| > |4|Many peope saw the falcon in the sky| > > i.e. a users enters the following text in an autocomplete input field: The > brown f > > The auto complete dropdown should suggest terms like 'fox', 'fish'. > > The query for filtering the documents should be like (stopwords are ignored > in this example) > > +field:the +field:brown > > How would you guys realize this requirement in Lucene? > > Thx in advance - best regards, > > pego > -- Sincerely yours Mikhail Khludnev
