There is none indeed exept using copyField and maxChars. Could you perhaps
come up with some regex that replaces the group of chars beyond the desired
limit and replace it with '' ?
That would fit in a pattern replace char filter.
> Hi Bernd,
>
> I also searched for such a filter but did not found it.
>
> Best regards
> Karsten
>
> P.S. I am using now this filter:
>
> public class CutMaxLengthFilter extends TokenFilter {
>
> public CutMaxLengthFilter(TokenStream in) {
> this(in, DEFAULT_MAXLENGTH);
> }
>
> public CutMaxLengthFilter(TokenStream in, int maxLength) {
> super(in);
> this.maxLength = maxLength;
> }
>
> public static final int DEFAULT_MAXLENGTH = 15;
> private final int maxLength;
> private final CharTermAttribute termAtt =
> addAttribute(CharTermAttribute.class);
>
> @Override
> public final boolean incrementToken() throws IOException {
> if (!input.incrementToken()) {
> return false;
> }
> int length = termAtt.length();
> if (maxLength > 0 && length > maxLength) {
> termAtt.setLength(maxLength);
> }
> return true;
> }
> }
>
> with this factory
>
> public class CutMaxLengthFilterFactory extends BaseTokenFilterFactory {
>
> private int maxLength;
>
> @Override
> public void init(Map<String, String> args) {
> super.init(args);
> maxLength = getInt("maxLength",
CutMaxLengthFilter.DEFAULT_MAXLENGTH);
> }
>
> public TokenStream create(TokenStream input) {
> return new CutMaxLengthFilter(input, maxLength);
> }
> }
>
>
>
> -------- Original-Nachricht --------
>
> > Datum: Mon, 08 Aug 2011 10:15:45 +0200
> > Von: Bernd Fehling <bernd.fehl...@uni-bielefeld.de>
> > An: solr-user@lucene.apache.org
> > Betreff: string cut-off filter?
> >
> > Hi list,
> >
> > is there a string cut-off filter to limit the length
> > of a KeywordTokenized string?
> >
> > So the string should not be dropped, only limitited to a
> > certain length.
> >
> > Regards
> > Bernd
