Package org.apache.lucene.index

Examples of org.apache.lucene.index.DirectoryReader.document()

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      iw.addDocument(emptyDoc);
    }
    iw.commit();
    final DirectoryReader rd = DirectoryReader.open(dir);
    for (int i = 0; i < numDocs; ++i) {
      final Document doc = rd.document(i);
      assertNotNull(doc);
      assertTrue(doc.getFields().isEmpty());
    }
    rd.close();
  }
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            try {
              final TopDocs topDocs = searcher.search(query, 1);
              if (topDocs.totalHits != 1) {
                throw new IllegalStateException("Expected 1 hit, got " + topDocs.totalHits);
              }
              final Document sdoc = rd.document(topDocs.scoreDocs[0].doc);
              if (sdoc == null || sdoc.get("fld") == null) {
                throw new IllegalStateException("Could not find document " + q);
              }
              if (!Integer.toString(q).equals(sdoc.get("fld"))) {
                throw new IllegalStateException("Expected " + q + ", but got " + sdoc.get("fld"));
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    final IndexSearcher searcher = new IndexSearcher(rd);
    for (int i = 0; i < numDocs; ++i) {
      final Query query = new TermQuery(new Term("id", "" + i));
      final TopDocs topDocs = searcher.search(query, 1);
      assertEquals("" + i, 1, topDocs.totalHits);
      final Document doc = rd.document(topDocs.scoreDocs[0].doc);
      assertNotNull(doc);
      final IndexableField[] fieldValues = doc.getFields("fld");
      assertEquals(docs[i].getFields("fld").length, fieldValues.length);
      if (fieldValues.length > 0) {
        assertEquals(docs[i].getFields("fld")[0].binaryValue(), fieldValues[0].binaryValue());
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    Directory dir = newDirectory();
    RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
    iw.addDocument(doc);
    DirectoryReader ir = iw.getReader();
    Document sdoc = ir.document(0);
    assertEquals("5", sdoc.get("int"));
    assertNull(sdoc.get("somethingElse"));
    assertArrayEquals(new String[] { "5", "4" }, sdoc.getValues("int"));
    ir.close();
    iw.close();
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    Directory dir = newDirectory();
    RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
    iw.addDocument(doc);
    DirectoryReader ir = iw.getReader();
    Document sdoc = ir.document(0);
    assertEquals("5", sdoc.get("int"));
    assertNull(sdoc.get("somethingElse"));
    assertArrayEquals(new String[] { "5", "4" }, sdoc.getValues("int"));
    ir.close();
    iw.close();
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    Directory dir = newDirectory();
    RandomIndexWriter iw = new RandomIndexWriter(random(), dir);
    iw.addDocument(doc);
    DirectoryReader ir = iw.getReader();
    Document sdoc = ir.document(0);
    assertEquals("5", sdoc.get("int"));
    assertNull(sdoc.get("somethingElse"));
    assertArrayEquals(new String[] { "5", "4" }, sdoc.getValues("int"));
    ir.close();
    iw.close();
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            Term[] terms = new Term[]{new Term("firstname", "simon"), new Term("surname", "simon")};
            BlendedTermQuery query = BlendedTermQuery.booleanBlendedQuery(terms, true);
            TopDocs search = searcher.search(query, 3);
            ScoreDoc[] scoreDocs = search.scoreDocs;
            assertEquals(3, scoreDocs.length);
            assertEquals(Integer.toString(0), reader.document(scoreDocs[0].doc).getField("id").stringValue());
        }
        {
            BooleanQuery query = new BooleanQuery(false);
            query.add(new TermQuery(new Term("firstname", "simon")), BooleanClause.Occur.SHOULD);
            query.add(new TermQuery(new Term("surname", "simon")), BooleanClause.Occur.SHOULD);
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            BooleanQuery query = new BooleanQuery(false);
            query.add(new TermQuery(new Term("firstname", "simon")), BooleanClause.Occur.SHOULD);
            query.add(new TermQuery(new Term("surname", "simon")), BooleanClause.Occur.SHOULD);
            TopDocs search = searcher.search(query, 1);
            ScoreDoc[] scoreDocs = search.scoreDocs;
            assertEquals(Integer.toString(1), reader.document(scoreDocs[0].doc).getField("id").stringValue());

        }
        reader.close();
        w.close();
        dir.close();
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            query.add(BlendedTermQuery.dismaxBlendedQuery(toTerms(fields, "foo"), 0.1f), BooleanClause.Occur.SHOULD);
            query.add(BlendedTermQuery.dismaxBlendedQuery(toTerms(fields, "fighters"), 0.1f), BooleanClause.Occur.SHOULD);
            query.add(BlendedTermQuery.dismaxBlendedQuery(toTerms(fields, "generator"), 0.1f), BooleanClause.Occur.SHOULD);
            TopDocs search = searcher.search(query, 10);
            ScoreDoc[] scoreDocs = search.scoreDocs;
            assertEquals(Integer.toString(0), reader.document(scoreDocs[0].doc).getField("id").stringValue());
        }
        {
            BooleanQuery query = new BooleanQuery(false);
            DisjunctionMaxQuery uname = new DisjunctionMaxQuery(0.0f);
            uname.add(new TermQuery(new Term("username", "foo")));
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            query.add(uname, BooleanClause.Occur.SHOULD);
            query.add(s, BooleanClause.Occur.SHOULD);
            query.add(gen, BooleanClause.Occur.SHOULD);
            TopDocs search = searcher.search(query, 4);
            ScoreDoc[] scoreDocs = search.scoreDocs;
            assertEquals(Integer.toString(1), reader.document(scoreDocs[0].doc).getField("id").stringValue());

        }
        reader.close();
        w.close();
        dir.close();
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