You are right. After I changed "Cat Cot Cit Cet" to "cat cot cit cet", it works
very good :)I see that there is quite a lot of knowledge to acquire in order to
be familiar with this technology... Thank You !
> StandardAnalyzer lowercases terms. The term you pass to the term enum
> has an upper case character. You really need to be careful if you are
> going to use an analyzer to store and then a term enum to cycle
> through...the term you pass the term enum must match the output of the
> analyzer.
>
> - Mark
>
> [EMAIL PROTECTED] wrote:
> > To begin with, thanks for Yours quick response.
> >
> > I am still trying write this code and I've already written this one:
> >
> > import org.apache.lucene.analysis.standard.StandardAnalyzer;
> > import org.apache.lucene.store.*;
> > import org.apache.lucene.index.*;
> > import org.apache.lucene.document.*;
> > import org.apache.lucene.search.*;
> > import org.apache.lucene.search.regex.*;
> >
> > public class TmpMain {
> > public static void main(String[] args) throws Exception {
> > RAMDirectory directory = new RAMDirectory();
> > IndexWriter writer = new IndexWriter(directory, new
> StandardAnalyzer(),
> > true);
> > Document doc = new Document();
> > doc.add(new Field("field", "Cat Cot Cit Cet", Field.Store.YES,
> > Field.Index.TOKENIZED));
> > writer.addDocument(doc);
> > writer.optimize();
> > writer.close();
> > IndexReader reader=IndexReader.open(directory);
> > RegexTermEnum regexTermEnum=new RegexTermEnum(reader, new
> Term("field",
> > "C.t"), new JavaUtilRegexCapabilities());
> > /*
> > //Second Version:
> > WildcardTermEnum regexTermEnum=new WildcardTermEnum(reader, new
> > Term("field", "C?t"));
> > */
> > while(regexTermEnum.next()) {
> > System.out.println("Next:");
> > System.out.println(regexTermEnum.term().text());
> > }
> > System.out.println("End.");
> > }
> > }
> >
> >
> > But the output of this code is:
> > End.
> >
> > As you can see above I have tried change line:
> > RegexTermEnum regexTermEnum=new RegexTermEnum(reader, new Term("field",
>
> > "C.t"), new JavaUtilRegexCapabilities());
> > on
> > WildcardTermEnum regexTermEnum=new WildcardTermEnum(reader, new
> Term("field",
> > "C?t"));
> >
> > but the result is the same :/
> > What am I doing wrong ?
> >
> >
> >
> >
> >
> >> Erick - you're not missing anything, except that the original poster
> >> is after RegexQuery, not WildcardQuery. Both work basically the same
>
> >> way, except in the pattern matching capabilities.
> >>
> >> Erik
> >>
> >> On Jul 20, 2007, at 5:45 PM, Erick Erickson wrote:
> >>
> >>> Erik:
> >>>
> >>> Well, you wrote the book <G>. But I thought something like this
> >>> would work
> >>>
> >>> TermDocs td = reader.termDocs();
> >>> WildcardTermEnum we = new WildcardTermEnum(reader, new term("field",
> >>> "c*t"));
> >>> while (we.next()) {
> >>> td.seek(we);
> >>> while (td.next()) {
> >>> report document contains term;
> >>> }
> >>> }
> >>>
> >>> Although I admit I haven't tried it, so I could be totally off
> >>> base. What
> >>> am I missing?
> >>>
> >>> Erick
> >>>
> >>> On 7/20/07, Erik Hatcher <[EMAIL PROTECTED]> wrote:
> >>>
> >>>> Erick - I think you're mixing things up with WildcardQuery.
> >>>> RegexQuery does support all regex capabilities (depending on the
> >>>> underlying regex matcher used).
> >>>>
> >>>> A couple of techniques you could use to achieve the goal:
> >>>>
> >>>> * Use RegexTermEnum, though that'll give you the terms
> >>>> across the
> >>>> entire index, so maybe in your use case you could index a single
> >>>> document into a RAMDirectory and RegexTermEnum on it.
> >>>>
> >>>> * Try out SpanRegexQuery and use getSpans() to get the exact
> >>>> matches.
> >>>>
> >>>> Erik
> >>>>
> >>>>
> >>>>
> >>>> On Jul 20, 2007, at 4:10 PM, Erick Erickson wrote:
> >>>>
> >>>>
> >>>>> First, the period (.) isn't part of the syntax, so make sure you
> >>>>>
> >>>> look
> >>>>
> >>>>> more carefully at the Lucene syntax...
> >>>>>
> >>>>> Then, you might be able to use WildcardTermEnum to find
> >>>>> the terms that match and TermDocs to find the documents
> >>>>> that contain those terms.
> >>>>>
> >>>>> There's nothing built into Lucene to do this out of the box, you
> >>>>> have to roll your own.
> >>>>>
> >>>>> Best
> >>>>> Erick
> >>>>>
> >>>>> On 20 Jul 2007 21:27:40 +0200, [EMAIL PROTECTED]
> >>>>>
> >>>> <[EMAIL PROTECTED]>
> >>>>
> >>>>> wrote:
> >>>>>
> >>>>>> Hello.
> >>>>>>
> >>>>>> Let assume that I have this code in my application:
> >>>>>>
> >>>>>> (...)
> >>>>>> Query query = new RegexQuery(new Term("field", "C.T"));;
> >>>>>> // searching...
> >>>>>> (...)
> >>>>>>
> >>>>>> And now, I would like to know if my application founded "cat" or
> >>>>>> "cot" or
> >>>>>> something else. How can I check what was founded by my
> >>>>>>
> >>>> application ?
> >>>>
> >>>>>> I would like to write application like this:
> >>>>>> INPUT -> regular expression
> >>>>>> OUTPUT -> file ---> word
> >>>>>>
> >>>>>> example: INPUT = "C.T"
> >>>>>> OUTPUT =
> >>>>>> a.txt --> CAT
> >>>>>> a.txt --> COT
> >>>>>> b.txt --> CAT
> >>>>>> b.txt --> CAT
> >>>>>> b.txt --> COT
> >>>>>> (...)
> >>>>>>
> >>>>>> So, how to check what words were founded in particulary Documents
> >>>>>> after
> >>>>>> searching? I see that Hits class contains only founded
> >>>>>>
> >>>> documents and
> >>>>
> >>>>>> nothing more (I am new in this technology so I can be wrong...)
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>
> ---------------------------------------------------------------------
> >>>>
> >>>>>> -
> >>>>>> Dowiedz sie, co naprawde podnieca kobiety. Wiecej wiesz,
> >>>>>>
> >>>> latwiej je
> >>>>
> >>>>>> oczarujesz
> >>>>>>
> >>>>>>
> >>>>>>>>> http://link.interia.pl/f1b17
> >>>>>>>>>
> >>>>>>
> >>>>>>
> >>>>
> ---------------------------------------------------------------------
> >>>>
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> >>>>>>
> >>>>>>
> >>>>>>
> >>>>
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> >>>>
> >>>>
> >>>>
> >> ---------------------------------------------------------------------
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> >>
> >>
> >>
> >>
> >
> >
> > ----------------------------------------------------------------------
> > Najbogatsza Polka
> > Zobacz >>> http://link.interia.pl/f1ae2
> >
> >
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> >
> >
>
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>
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Wszystko czego potrzebujesz latem: kremy do opalania,
stroje kapielowe, maly romans
>>>http://link.interia.pl/f1b15
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