Hi i am kevin from Chile and i am new whit Lucene,
I have 5 documents. Each document has a field date but i would search on
range date whit TermRangeQuery . Total structure is
looking like this:
public static void main(String[] args) throws IOException, ParseException {
StandardAnalyzer analyzer = new StandardAnalyzer();
Directory index = new RAMDirectory();
IndexWriterConfig config = new IndexWriterConfig(analyzer);
IndexWriter w = new IndexWriter(index, config);
addDoc(w, "Lucene in Action", "1999-08-12");
addDoc(w, "Lucene for Dummies", "1998-08-12");
addDoc(w, "Lucene for chile", "2011-08-12");
addDoc(w, "Managing Gigabytes", "1995-08-12");
addDoc(w, "The Art of Computer Science", "2001-08-12");
w.close();
BytesRef lowerDate = new BytesRef("2015-08-13");
BytesRef upperDate = new BytesRef("1998-08-12");
TermRangeQuery query = new TermRangeQuery("isbn", lowerDate, upperDate,
true, true);
// 3. search
IndexReader reader = DirectoryReader.open(index);
IndexSearcher searcher = new IndexSearcher(reader);
ScoreDoc[] hits = searcher.search(query, 100).scoreDocs;
for(int i=0;i<hits.length;++i) {
int docId = hits[i].doc;
Document d = searcher.doc(docId);
System.out.println((i + 1) + ". " + d.get("date") + "\t" +
d.get("title"));
reader.close();
}
private static void addDoc(IndexWriter w, String title, String date)
throws IOException {
Document doc = new Document();
doc.add(new TextField("title", title, Field.Store.YES));
doc.add(new StringField("date", isbn, Field.Store.YES));
w.addDocument(doc);
}
why can i have not result
the result for hits.length() is null
could anyone help me please.. and sorry for my English
thank¡
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