package com.chenlb.mmseg4j.lucene;
import java.io.IOException;
import junit.framework.TestCase;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriter.MaxFieldLength;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Version;
import com.chenlb.mmseg4j.analysis.ComplexAnalyzer;
import com.chenlb.mmseg4j.analysis.SimpleAnalyzer;
public class LuceneUseSimpleAnalyzerTest extends TestCase {
Directory dir;
Analyzer analyzer;
@Override
protected void setUp() throws Exception {
String txt = "京华时报1月23日报道 昨天，受一股来自中西伯利亚的强冷空气影响，本市出现大风降温天气，白天最高气温只有零下7摄氏度，同时伴有6到7级的偏北风。";
//txt = "2008年底发了资金吗";
analyzer = new SimpleAnalyzer();
analyzer = new ComplexAnalyzer();
//analyzer = new MaxWordAnalyzer();
dir = new RAMDirectory();
IndexWriter iw = new IndexWriter(dir, analyzer, MaxFieldLength.UNLIMITED);
Document doc = new Document();
doc.add(new Field("txt", txt, Field.Store.YES, Field.Index.ANALYZED));
iw.addDocument(doc);
iw.commit();
iw.optimize();
iw.close();
}
public void testSearch() {
try {
IndexSearcher searcher = new IndexSearcher(dir);
QueryParser qp = new QueryParser(Version.LUCENE_29, "txt", analyzer);
Query q = qp.parse("西伯利亚"); //2008年底
System.out.println(q);
TopDocs tds = searcher.search(q, 10);
System.out.println("======size:"+tds.totalHits+"========");
for(ScoreDoc sd : tds.scoreDocs) {
System.out.println(sd.score);
System.out.println(searcher.doc(sd.doc).get("txt"));
}
} catch (CorruptIndexException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ParseException e) {
e.printStackTrace();
}
}
}