This looks pretty good, the search is always looking in
your "basketName" field unless the searchBox.getText() returns
something like "field:value".
What behavior are you seeing (or not seeing that you expect)?
You might try creating your index as an FSDirectory
then getting a copy of Luke to examine it and run some
test queries through, that often helps a lot. Query
lucene luke
Best
Erick
On Thu, Feb 26, 2009 at 12:15 PM, Ambati, Ravi BGI SF <
ravi.amb...@barclaysglobal.com> wrote:
>
> Hi,
>
> Getting started shows how to index files. It does not have an example of
> how to index how to index a list of objects. I was able to create an
> index for the list of objects.
>
> How do I retrieve a list of objects that match the query ?
>
>
> // Create Index
> Directory directory = new RAMDirectory();
> Analyzer analyzer = new StandardAnalyzer();
> IndexWriter iwriter = null;
> try {
> iwriter = new IndexWriter(directory, analyzer, true);
>
> iwriter.setMaxFieldLength(250000);
>
> EventList<TestObject> list = getAllBaskets(basketCache);
> for (TestObject obj : list) {
> Document document = new Document();
> document.add(new Field("basketName",
> basket.getName(), Field.Store.YES, Field.Index.TOKENIZED));
> document
> .add(new Field("borrower",
> basket.getBorrowerCode(), Field.Store.YES, Field.Index.TOKENIZED));
> document.add(new Field("description",
> basket.getDescription(), Field.Store.YES,
> Field.Index.TOKENIZED));
> document.add(new Field("id", new
> Long(basket.getId()).toString(), Field.Store.YES,
> Field.Index.TOKENIZED));
> iwriter.addDocument(document);
> }
> iwriter.optimize();
> iwriter.close();
>
> // Now search the index:
> IndexSearcher isearcher = new IndexSearcher(directory);
> // Parse a simple query that searches for "text":
> QueryParser parser = new QueryParser("basketName",
> analyzer);
> Query query = parser.parse(searchBox.getText());
> Hits hits = isearcher.search(query);
> // Iterate through the results:
> List<Long> basketIds = new ArrayList<Long>();
> for (int i = 0; i < hits.length(); i++) {
> Document hitDoc = hits.doc(i);
> }
>
>
> isearcher.close();
> directory.close();
>
> -----Original Message-----
> From: Garth Patil [mailto:garthpa...@gmail.com]
> Sent: Thursday, February 26, 2009 9:11 AM
> To: java-user@lucene.apache.org
> Subject: Re: Simple Java Object Search
>
> Sure:
> http://lucene.apache.org/java/2_4_0/gettingstarted.html
>
> On Thu, Feb 26, 2009 at 9:06 AM, Ambati, Ravi BGI SF
> <ravi.amb...@barclaysglobal.com> wrote:
> >
> > All,
> >
> > I have a list of java objects and would like to index the contents of
> > those objects. And would like to update the index whenever list of
> > objects is changed.
> >
> > The big question is when users searches for something in index, I
> > would like to get all the objects that matached that search string.
> >
> > Would somebody help me in this?
> >
> > Thanks,
> > Ravi Ambati
> >
> >
> > --
> >
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