Hello Erik, Thanks for your info. It passed !.
Thanks again, Youngho ----- Original Message ----- From: "Erik Hatcher" <[EMAIL PROTECTED]> To: <java-user@lucene.apache.org> Sent: Thursday, March 09, 2006 5:12 PM Subject: Re: RangeQuery, FilterdQuery and HitCollector > Youngho, > > Try the lasted trunk codebase. I have recently applied a contributed > patch to FilteredQuery. Using the latest codebase, your test passes > for me. > > Erik > > > On Mar 9, 2006, at 1:09 AM, Youngho Cho wrote: > > > Hello, > > > > I would like to use a Filter for rangeQuery ( to avoid potential > > TooManyClauses exception ) > > and found out > > > > http://wiki.apache.org/jakarta-lucene/FilteringOptions > > > > wiki said that FilteredQuery is best one. > > But Interesting is that > > when I used the option with HitCollector , FilteredQuery test is fail. > > > > Am I something missing or FilteredQuery with HitCollector is forbid > > or a bug ? > > > > > > Please refer to the my test code. > > > > ---------------------------------------------------------- > > import junit.framework.TestCase; > > > > import org.apache.lucene.analysis.cjk.CJKAnalyzer; > > import org.apache.lucene.document.Document; > > import org.apache.lucene.document.Field; > > import org.apache.lucene.document.NumberTools; > > import org.apache.lucene.index.IndexWriter; > > import org.apache.lucene.index.Term; > > import org.apache.lucene.search.Filter; > > import org.apache.lucene.search.FilteredQuery; > > import org.apache.lucene.search.HitCollector; > > import org.apache.lucene.search.Hits; > > import org.apache.lucene.search.IndexSearcher; > > import org.apache.lucene.search.Query; > > import org.apache.lucene.search.RangeFilter; > > import org.apache.lucene.search.Searcher; > > import org.apache.lucene.search.TermQuery; > > import org.apache.lucene.store.Directory; > > import org.apache.lucene.store.RAMDirectory; > > > > import java.io.IOException; > > import java.io.Serializable; > > > > import java.util.Collection; > > import java.util.HashSet; > > > > public class FilteredRangeQueryTest extends TestCase > > { > > private Directory ramDir; > > > > protected void setUp() throws Exception > > { > > ramDir = new RAMDirectory(); > > addDocuments(); > > } > > > > public void testRangeQuery() > > throws Exception > > { > > IndexSearcher searcher = new IndexSearcher(ramDir); > > > > Filter filter = RangeFilter.Less("num", > > NumberTools.longToString(1L)); > > > > Term term = new Term("attid", NumberTools.longToString(113L)); > > Query query = new TermQuery(term); > > > > Hits hits = searcher.search(query, filter); > > > > assertEquals(0, hits.length()); > > > > HitCollector hitCollector = new TestHitCollector(); > > > > ((TestHitCollector) hitCollector).setSearcher(searcher); > > > > //////// This test is Pass !!!! //////////////// > > searcher.search(query, filter, hitCollector); > > assertEquals(0, ((TestHitCollector) hitCollector).getIds > > ().size()); > > } > > > > public void testFilteredQuery() > > throws Exception > > { > > IndexSearcher searcher = new IndexSearcher(ramDir); > > > > Filter filter = RangeFilter.Less("num", > > NumberTools.longToString(1L)); > > > > Term term = new Term("attid", NumberTools.longToString(113L)); > > Query query = new TermQuery(term); > > > > FilteredQuery fq = new FilteredQuery(query, filter); > > > > Hits hits = searcher.search(fq); > > > > assertEquals(0, hits.length()); > > > > HitCollector hitCollector = new TestHitCollector(); > > > > ((TestHitCollector) hitCollector).setSearcher(searcher); > > > > ////////// This test is FAIL !!!! ////////////// > > searcher.search(fq, hitCollector); > > assertEquals(0, ((TestHitCollector) hitCollector).getIds > > ().size()); > > } > > > > private void addDocuments() > > throws IOException > > { > > IndexWriter writer = new IndexWriter(ramDir, new CJKAnalyzer > > (), true); > > > > Document doc = new Document(); > > > > doc.add(Field.Keyword("num", NumberTools.longToString > > (1000L))); > > doc.add(Field.Keyword("attid", NumberTools.longToString > > (113L))); > > doc.add(Field.Keyword("itid", "111")); > > writer.addDocument(doc); > > > > writer.optimize(); > > writer.close(); > > } > > > > public class TestHitCollector extends HitCollector implements > > Serializable > > { > > private transient Searcher searcher; > > private transient Collection res; > > > > public TestHitCollector() > > { > > } > > > > public void setSearcher(Searcher searcher) > > { > > res = new HashSet(); > > this.searcher = searcher; > > } > > > > public void collect(int i, float v) > > { > > try > > { > > final Document doc = searcher.doc(i); > > > > res.add(doc.get("itid")); > > } > > catch (IOException e) > > { > > // ignored > > } > > } > > > > public Collection getIds() > > { > > return res; > > } > > } > > } > > > > > > Thanks, > > > > Youngho > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED]
