public void RestDocsAndPositionsEnumStart()
{
Analyzer analyzer = new MockAnalyzer(Random());
int numIters = AtLeast(3);
MemoryIndex memory = new MemoryIndex(true, Random().nextInt(50) * 1024 * 1024);
for (int i = 0; i < numIters; i++)
{ // check reuse
memory.AddField("foo", "bar", analyzer);
AtomicReader reader = (AtomicReader)memory.CreateSearcher().IndexReader;
assertEquals(1, reader.Terms("foo").SumTotalTermFreq);
DocsAndPositionsEnum disi = reader.TermPositionsEnum(new Term("foo", "bar"));
int docid = disi.DocID();
assertEquals(-1, docid);
assertTrue(disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
assertEquals(0, disi.NextPosition());
assertEquals(0, disi.StartOffset());
assertEquals(3, disi.EndOffset());
// now reuse and check again
TermsEnum te = reader.Terms("foo").Iterator(null);
assertTrue(te.SeekExact(new BytesRef("bar")));
disi = te.DocsAndPositions(null, disi);
docid = disi.DocID();
assertEquals(-1, docid);
assertTrue(disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS);
reader.Dispose();
memory.Reset();
}
}
/// <summary>
/// checks docs + freqs + positions + payloads, sequentially
/// </summary>
public virtual void AssertDocsAndPositionsEnum(DocsAndPositionsEnum leftDocs, DocsAndPositionsEnum rightDocs)
{
if (leftDocs == null || rightDocs == null)
{
Assert.IsNull(leftDocs);
Assert.IsNull(rightDocs);
return;
}
Assert.AreEqual(-1, leftDocs.DocID());
Assert.AreEqual(-1, rightDocs.DocID());
int docid;
while ((docid = leftDocs.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
{
Assert.AreEqual(docid, rightDocs.NextDoc());
int freq = leftDocs.Freq();
Assert.AreEqual(freq, rightDocs.Freq());
for (int i = 0; i < freq; i++)
{
Assert.AreEqual(leftDocs.NextPosition(), rightDocs.NextPosition());
// we don't assert offsets/payloads, they are allowed to be different
}
}
Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, rightDocs.NextDoc());
}
/// <summary>
/// Read the parents of the new categories
/// </summary>
private void InitParents(IndexReader reader, int first)
{
if (reader.MaxDoc == first)
{
return;
}
// it's ok to use MultiFields because we only iterate on one posting list.
// breaking it to loop over the leaves() only complicates code for no
// apparent gain.
DocsAndPositionsEnum positions = MultiFields.GetTermPositionsEnum(reader, null, Consts.FIELD_PAYLOADS, Consts.PAYLOAD_PARENT_BYTES_REF, DocsAndPositionsEnum.FLAG_PAYLOADS);
// shouldn't really happen, if it does, something's wrong
if (positions == null || positions.Advance(first) == DocIdSetIterator.NO_MORE_DOCS)
{
throw new CorruptIndexException("Missing parent data for category " + first);
}
int num = reader.MaxDoc;
for (int i = first; i < num; i++)
{
if (positions.DocID() == i)
{
if (positions.Freq() == 0) // shouldn't happen
{
throw new CorruptIndexException("Missing parent data for category " + i);
}
parents[i] = positions.NextPosition();
if (positions.NextDoc() == DocIdSetIterator.NO_MORE_DOCS)
{
if (i + 1 < num)
{
throw new CorruptIndexException("Missing parent data for category " + (i + 1));
}
break;
}
} // this shouldn't happen
else
{
throw new CorruptIndexException("Missing parent data for category " + i);
}
}
}
private void DuellReaders(CompositeReader other, AtomicReader memIndexReader)
{
AtomicReader competitor = SlowCompositeReaderWrapper.Wrap(other);
Fields memFields = memIndexReader.Fields;
foreach (string field in competitor.Fields)
{
Terms memTerms = memFields.Terms(field);
Terms iwTerms = memIndexReader.Terms(field);
if (iwTerms == null)
{
assertNull(memTerms);
}
else
{
NumericDocValues normValues = competitor.GetNormValues(field);
NumericDocValues memNormValues = memIndexReader.GetNormValues(field);
if (normValues != null)
{
// mem idx always computes norms on the fly
assertNotNull(memNormValues);
assertEquals(normValues.Get(0), memNormValues.Get(0));
}
assertNotNull(memTerms);
assertEquals(iwTerms.DocCount, memTerms.DocCount);
assertEquals(iwTerms.SumDocFreq, memTerms.SumDocFreq);
assertEquals(iwTerms.SumTotalTermFreq, memTerms.SumTotalTermFreq);
TermsEnum iwTermsIter = iwTerms.Iterator(null);
TermsEnum memTermsIter = memTerms.Iterator(null);
if (iwTerms.HasPositions())
{
bool offsets = iwTerms.HasOffsets() && memTerms.HasOffsets();
while (iwTermsIter.Next() != null)
{
assertNotNull(memTermsIter.Next());
assertEquals(iwTermsIter.Term(), memTermsIter.Term());
DocsAndPositionsEnum iwDocsAndPos = iwTermsIter.DocsAndPositions(null, null);
DocsAndPositionsEnum memDocsAndPos = memTermsIter.DocsAndPositions(null, null);
while (iwDocsAndPos.NextDoc() != DocsAndPositionsEnum.NO_MORE_DOCS)
{
assertEquals(iwDocsAndPos.DocID(), memDocsAndPos.NextDoc());
assertEquals(iwDocsAndPos.Freq(), memDocsAndPos.Freq());
for (int i = 0; i < iwDocsAndPos.Freq(); i++)
{
assertEquals("term: " + iwTermsIter.Term().Utf8ToString(), iwDocsAndPos.NextPosition(), memDocsAndPos.NextPosition());
if (offsets)
{
assertEquals(iwDocsAndPos.StartOffset(), memDocsAndPos.StartOffset());
assertEquals(iwDocsAndPos.EndOffset(), memDocsAndPos.EndOffset());
}
}
}
}
}
else
{
while (iwTermsIter.Next() != null)
{
assertEquals(iwTermsIter.Term(), memTermsIter.Term());
DocsEnum iwDocsAndPos = iwTermsIter.Docs(null, null);
DocsEnum memDocsAndPos = memTermsIter.Docs(null, null);
while (iwDocsAndPos.NextDoc() != DocsAndPositionsEnum.NO_MORE_DOCS)
{
assertEquals(iwDocsAndPos.DocID(), memDocsAndPos.NextDoc());
assertEquals(iwDocsAndPos.Freq(), memDocsAndPos.Freq());
}
}
}
}
}
}
