Sounds to me that all you need is to AND rather than OR your search terms.
QueryParser qp = new QueryParser("keywords", analyzer);
qp.setOperator(QueryParser.DEFAULT_OPERATOR_AND);
Query q = qp.parse(words);
where analyzer is just the standard one.
Or search for +MAIN +BOARD. Or MAIN AND BOARD.
--
Ian.
On 13 Jul 2005 12:18:44 -0000, Rahul D Thakare
<[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> We are using doc.add(Field.Text("keywords",keywords)); to add the keywords
> to the document, where keywords is comma separated keywords string.
> Lucene seems to tokenize the keywords with multiple words like(MAIN BOARD) as
> different keywords(ie as MAIN and BOARD). Tokenization is based on comma and
> space...So if we search for "MAIN BOARD", documents having keywords like
> "MAIN LOGIC", "MAIN PARTS", etc also show up
>
> If one searches for "MAIN BOARD", we want get only the documents have "MAIN
> BOARD". How to do this ?
>
> To achieve this we used doc.add(Field.Keyword("keywords", keywords)); and
> while searching
> we cannot use standard analyzer, while searching, as divides the keywords if
> we search keywords having space... so we wrote an
> KeywordAnalyser(KeywordAnalyzer is basically returns only one single token)
> as given below.
>
> /**
> * Tokenizes the entire stream as single token
> */
>
> public class KeywordAnalyzer extends Analyzer
> {
> public TokenStream tokenStream(String fieldName, final Reader reader)
> {
> return new TokenStream(){
> private boolean done;
> private final char[] buffer = new char[1024];
> public Token next() throws IOException
> {
> if(!done)
> {
> done = true;
> StringBuffer buffer = new
> StringBuffer();
> int length = 0;
> while(true)
> {
> length =
> reader.read(this.buffer);
> if(length == -1) break;
>
>
> buffer.append(this.buffer,0,length);
> }
> String text = buffer.toString();
> return new
> Token(text.toUpperCase(),0,text.length());
> }
> return null;
> }
> };
> }
> }
>
> Which solve the above said problem, but we are not able to the wild card
> searchs like MAIN*, etc.
>
> We need both the functionality ie.
> 1. if user searches for MAIN BOARD, should get only documents that contain
> MAIN BOARD and not MAIN LOGIC, MAIN, MAIN PART etc.
> 2. User should be able to do the wild card search like MAIN*, etc and get the
> desired documents.
>
> Please let us know, how we should do the indexing ? and which analyzer to use
> to do the search ?
>
> thanks
> Rahul...
>
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