|
public GetReader ( int termInfosIndexDivisor ) : |
||
| termInfosIndexDivisor | int | Subsambles which indexed
/// terms are loaded into RAM. This has the same effect as |
| return | ||
public virtual IndexReader GetReader(int termInfosIndexDivisor)
{
EnsureOpen();
if (infoStream != null)
{
Message("flush at getReader");
}
// Do this up front before flushing so that the readers
// obtained during this flush are pooled, the first time
// this method is called:
poolReaders = true;
// Prevent segmentInfos from changing while opening the
// reader; in theory we could do similar retry logic,
// just like we do when loading segments_N
IndexReader r;
lock (this)
{
Flush(false, true, true);
r = new ReadOnlyDirectoryReader(this, segmentInfos, termInfosIndexDivisor);
}
MaybeMerge();
return r;
}
|
IndexWriter::GetReader ( ) : |
public void testMissingTerms()
{
String fieldName = "field1";
Directory rd = new RAMDirectory();
var w = new IndexWriter(rd, new KeywordAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
for (int i = 0; i < 100; i++)
{
var doc = new Document();
int term = i*10; //terms are units of 10;
doc.Add(new Field(fieldName, "" + term, Field.Store.YES, Field.Index.ANALYZED));
w.AddDocument(doc);
}
IndexReader reader = w.GetReader();
w.Close();
TermsFilter tf = new TermsFilter();
tf.AddTerm(new Term(fieldName, "19"));
FixedBitSet bits = (FixedBitSet) tf.GetDocIdSet(reader);
Assert.AreEqual(0, bits.Cardinality(), "Must match nothing");
tf.AddTerm(new Term(fieldName, "20"));
bits = (FixedBitSet) tf.GetDocIdSet(reader);
Assert.AreEqual(1, bits.Cardinality(), "Must match 1");
tf.AddTerm(new Term(fieldName, "10"));
bits = (FixedBitSet) tf.GetDocIdSet(reader);
Assert.AreEqual(2, bits.Cardinality(), "Must match 2");
tf.AddTerm(new Term(fieldName, "00"));
bits = (FixedBitSet) tf.GetDocIdSet(reader);
Assert.AreEqual(2, bits.Cardinality(), "Must match 2");
reader.Close();
rd.Close();
}
