Examples with FieldReader org.apache.lucene.codecs.blocktree.FieldReader used on opensource projects

Example 1 with FieldReader

use of org.apache.lucene.codecs.blocktree.FieldReader in project lucene-solr by apache.

the class TestBlockPostingsFormat method testFinalBlock.

/** Make sure the final sub-block(s) are not skipped. */
public void testFinalBlock() throws Exception {
    Directory d = newDirectory();
    IndexWriter w = new IndexWriter(d, new IndexWriterConfig(new MockAnalyzer(random())));
    for (int i = 0; i < 25; i++) {
        Document doc = new Document();
        doc.add(newStringField("field", Character.toString((char) (97 + i)), Field.Store.NO));
        doc.add(newStringField("field", "z" + Character.toString((char) (97 + i)), Field.Store.NO));
        w.addDocument(doc);
    }
    w.forceMerge(1);
    DirectoryReader r = DirectoryReader.open(w);
    assertEquals(1, r.leaves().size());
    FieldReader field = (FieldReader) r.leaves().get(0).reader().fields().terms("field");
    // We should see exactly two blocks: one root block (prefix empty string) and one block for z* terms (prefix z):
    Stats stats = field.getStats();
    assertEquals(0, stats.floorBlockCount);
    assertEquals(2, stats.nonFloorBlockCount);
    r.close();
    w.close();
    d.close();
}