/** Creates an index for sorting. */
public void CreateIndex(Directory dir, int numDocs, Random random)
{
IList <int> ids = new List <int>();
for (int i = 0; i < numDocs; i++)
{
ids.Add(i * 10);
}
// shuffle them for indexing
ids.Shuffle(Random);
if (Verbose)
{
Console.WriteLine("Shuffled IDs for indexing: " + Collections.ToString(ids));
}
PositionsTokenStream positions = new PositionsTokenStream();
IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random));
conf.SetMaxBufferedDocs(4); // create some segments
conf.SetSimilarity(new NormsSimilarity(conf.Similarity)); // for testing norms field
using (RandomIndexWriter writer = new RandomIndexWriter(random, dir, conf))
{
writer.DoRandomForceMerge = (false);
foreach (int id in ids)
{
writer.AddDocument(Doc(id, positions));
}
// delete some documents
writer.Commit();
foreach (int id in ids)
{
if (random.NextDouble() < 0.2)
{
if (Verbose)
{
Console.WriteLine("delete doc_id " + id);
}
writer.DeleteDocuments(new Term(ID_FIELD, id.ToString()));
}
}
}
}
public override void SetUp()
{
base.SetUp();
dir = NewDirectory();
IndexWriterConfig iwConfig = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random));
iwConfig.SetMergePolicy(NewLogMergePolicy());
iwConfig.SetSimilarity(sim);
RandomIndexWriter iw = new RandomIndexWriter(Random, dir, iwConfig);
Document doc = new Document();
doc.Add(new TextField("text", "this is a test test test", Field.Store.NO));
iw.AddDocument(doc);
doc = new Document();
doc.Add(new TextField("text", "second test", Field.Store.NO));
iw.AddDocument(doc);
reader = iw.GetReader();
searcher = NewSearcher(reader);
iw.Dispose();
}