public void TestNonExistingsField()
{
MemoryIndex mindex = new MemoryIndex(Random().nextBoolean(), Random().nextInt(50) * 1024 * 1024);
MockAnalyzer mockAnalyzer = new MockAnalyzer(Random());
mindex.AddField("field", "the quick brown fox", mockAnalyzer);
AtomicReader reader = (AtomicReader)mindex.CreateSearcher().IndexReader;
assertNull(reader.GetNumericDocValues("not-in-index"));
assertNull(reader.GetNormValues("not-in-index"));
assertNull(reader.TermDocsEnum(new Term("not-in-index", "foo")));
assertNull(reader.TermPositionsEnum(new Term("not-in-index", "foo")));
assertNull(reader.Terms("not-in-index"));
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, Bits acceptDocs)
{
bool nullBitset = Random().Next(10) == 5;
AtomicReader reader = context.AtomicReader;
DocsEnum termDocsEnum = reader.TermDocsEnum(new Term("field", "0"));
if (termDocsEnum == null)
{
return(null); // no docs -- return null
}
BitArray bitSet = new BitArray(reader.MaxDoc);
int d;
while ((d = termDocsEnum.NextDoc()) != DocsEnum.NO_MORE_DOCS)
{
bitSet.Set(d, true);
}
return(new DocIdSetAnonymousInnerClassHelper(this, nullBitset, reader, bitSet));
}
public override DocIdSetIterator GetIterator()
{
Assert.IsTrue(NullBitset, "iterator should not be called if bitset is present");
return(Reader.TermDocsEnum(new Term("field", "0")));
}
