public virtual void Merge(MergeState mergeState, IndexOptions indexOptions, TermsEnum termsEnum)
{
BytesRef term;
Debug.Assert(termsEnum != null);
long sumTotalTermFreq = 0;
long sumDocFreq = 0;
long sumDFsinceLastAbortCheck = 0;
FixedBitSet visitedDocs = new FixedBitSet(mergeState.SegmentInfo.DocCount);
if (indexOptions == IndexOptions.DOCS_ONLY)
{
if (docsEnum == null)
{
docsEnum = new MappingMultiDocsEnum();
}
docsEnum.MergeState = mergeState;
MultiDocsEnum docsEnumIn = null;
while ((term = termsEnum.Next()) != null)
{
// We can pass null for liveDocs, because the
// mapping enum will skip the non-live docs:
docsEnumIn = (MultiDocsEnum)termsEnum.Docs(null, docsEnumIn, DocsFlags.NONE);
if (docsEnumIn != null)
{
docsEnum.Reset(docsEnumIn);
PostingsConsumer postingsConsumer = StartTerm(term);
TermStats stats = postingsConsumer.Merge(mergeState, indexOptions, docsEnum, visitedDocs);
if (stats.DocFreq > 0)
{
FinishTerm(term, stats);
sumTotalTermFreq += stats.DocFreq;
sumDFsinceLastAbortCheck += stats.DocFreq;
sumDocFreq += stats.DocFreq;
if (sumDFsinceLastAbortCheck > 60000)
{
mergeState.CheckAbort.Work(sumDFsinceLastAbortCheck / 5.0);
sumDFsinceLastAbortCheck = 0;
}
}
}
}
}
else if (indexOptions == IndexOptions.DOCS_AND_FREQS)
{
if (docsAndFreqsEnum == null)
{
docsAndFreqsEnum = new MappingMultiDocsEnum();
}
docsAndFreqsEnum.MergeState = mergeState;
MultiDocsEnum docsAndFreqsEnumIn = null;
while ((term = termsEnum.Next()) != null)
{
// We can pass null for liveDocs, because the
// mapping enum will skip the non-live docs:
docsAndFreqsEnumIn = (MultiDocsEnum)termsEnum.Docs(null, docsAndFreqsEnumIn);
Debug.Assert(docsAndFreqsEnumIn != null);
docsAndFreqsEnum.Reset(docsAndFreqsEnumIn);
PostingsConsumer postingsConsumer = StartTerm(term);
TermStats stats = postingsConsumer.Merge(mergeState, indexOptions, docsAndFreqsEnum, visitedDocs);
if (stats.DocFreq > 0)
{
FinishTerm(term, stats);
sumTotalTermFreq += stats.TotalTermFreq;
sumDFsinceLastAbortCheck += stats.DocFreq;
sumDocFreq += stats.DocFreq;
if (sumDFsinceLastAbortCheck > 60000)
{
mergeState.CheckAbort.Work(sumDFsinceLastAbortCheck / 5.0);
sumDFsinceLastAbortCheck = 0;
}
}
}
}
else if (indexOptions == IndexOptions.DOCS_AND_FREQS_AND_POSITIONS)
{
if (postingsEnum == null)
{
postingsEnum = new MappingMultiDocsAndPositionsEnum();
}
postingsEnum.MergeState = mergeState;
MultiDocsAndPositionsEnum postingsEnumIn = null;
while ((term = termsEnum.Next()) != null)
{
// We can pass null for liveDocs, because the
// mapping enum will skip the non-live docs:
postingsEnumIn = (MultiDocsAndPositionsEnum)termsEnum.DocsAndPositions(null, postingsEnumIn, DocsAndPositionsFlags.PAYLOADS);
Debug.Assert(postingsEnumIn != null);
postingsEnum.Reset(postingsEnumIn);
PostingsConsumer postingsConsumer = StartTerm(term);
TermStats stats = postingsConsumer.Merge(mergeState, indexOptions, postingsEnum, visitedDocs);
if (stats.DocFreq > 0)
{
FinishTerm(term, stats);
sumTotalTermFreq += stats.TotalTermFreq;
sumDFsinceLastAbortCheck += stats.DocFreq;
sumDocFreq += stats.DocFreq;
if (sumDFsinceLastAbortCheck > 60000)
{
mergeState.CheckAbort.Work(sumDFsinceLastAbortCheck / 5.0);
sumDFsinceLastAbortCheck = 0;
}
}
}
}
else
{
Debug.Assert(indexOptions == IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS);
if (postingsEnum == null)
{
postingsEnum = new MappingMultiDocsAndPositionsEnum();
}
postingsEnum.MergeState = mergeState;
MultiDocsAndPositionsEnum postingsEnumIn = null;
while ((term = termsEnum.Next()) != null)
{
// We can pass null for liveDocs, because the
// mapping enum will skip the non-live docs:
postingsEnumIn = (MultiDocsAndPositionsEnum)termsEnum.DocsAndPositions(null, postingsEnumIn);
Debug.Assert(postingsEnumIn != null);
postingsEnum.Reset(postingsEnumIn);
PostingsConsumer postingsConsumer = StartTerm(term);
TermStats stats = postingsConsumer.Merge(mergeState, indexOptions, postingsEnum, visitedDocs);
if (stats.DocFreq > 0)
{
FinishTerm(term, stats);
sumTotalTermFreq += stats.TotalTermFreq;
sumDFsinceLastAbortCheck += stats.DocFreq;
sumDocFreq += stats.DocFreq;
if (sumDFsinceLastAbortCheck > 60000)
{
mergeState.CheckAbort.Work(sumDFsinceLastAbortCheck / 5.0);
sumDFsinceLastAbortCheck = 0;
}
}
}
}
Finish(indexOptions == IndexOptions.DOCS_ONLY ? -1 : sumTotalTermFreq, sumDocFreq, visitedDocs.Cardinality());
}
/// <summary>
/// Default merge impl </summary>
public virtual void Merge(MergeState mergeState, FieldInfo.IndexOptions? indexOptions, TermsEnum termsEnum)
{
BytesRef term;
Debug.Assert(termsEnum != null);
long sumTotalTermFreq = 0;
long sumDocFreq = 0;
long sumDFsinceLastAbortCheck = 0;
FixedBitSet visitedDocs = new FixedBitSet(mergeState.SegmentInfo.DocCount);
if (indexOptions == FieldInfo.IndexOptions.DOCS_ONLY)
{
if (DocsEnum == null)
{
DocsEnum = new MappingMultiDocsEnum();
}
DocsEnum.MergeState = mergeState;
MultiDocsEnum docsEnumIn = null;
while ((term = termsEnum.Next()) != null)
{
// We can pass null for liveDocs, because the
// mapping enum will skip the non-live docs:
docsEnumIn = (MultiDocsEnum)termsEnum.Docs(null, docsEnumIn, Index.DocsEnum.FLAG_NONE);
if (docsEnumIn != null)
{
DocsEnum.Reset(docsEnumIn);
PostingsConsumer postingsConsumer = StartTerm(term);
TermStats stats = postingsConsumer.Merge(mergeState, indexOptions, DocsEnum, visitedDocs);
if (stats.DocFreq > 0)
{
FinishTerm(term, stats);
sumTotalTermFreq += stats.DocFreq;
sumDFsinceLastAbortCheck += stats.DocFreq;
sumDocFreq += stats.DocFreq;
if (sumDFsinceLastAbortCheck > 60000)
{
mergeState.checkAbort.Work(sumDFsinceLastAbortCheck / 5.0);
sumDFsinceLastAbortCheck = 0;
}
}
}
}
}
else if (indexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS)
{
if (DocsAndFreqsEnum == null)
{
DocsAndFreqsEnum = new MappingMultiDocsEnum();
}
DocsAndFreqsEnum.MergeState = mergeState;
MultiDocsEnum docsAndFreqsEnumIn = null;
while ((term = termsEnum.Next()) != null)
{
// We can pass null for liveDocs, because the
// mapping enum will skip the non-live docs:
docsAndFreqsEnumIn = (MultiDocsEnum)termsEnum.Docs(null, docsAndFreqsEnumIn);
Debug.Assert(docsAndFreqsEnumIn != null);
DocsAndFreqsEnum.Reset(docsAndFreqsEnumIn);
PostingsConsumer postingsConsumer = StartTerm(term);
TermStats stats = postingsConsumer.Merge(mergeState, indexOptions, DocsAndFreqsEnum, visitedDocs);
if (stats.DocFreq > 0)
{
FinishTerm(term, stats);
sumTotalTermFreq += stats.TotalTermFreq;
sumDFsinceLastAbortCheck += stats.DocFreq;
sumDocFreq += stats.DocFreq;
if (sumDFsinceLastAbortCheck > 60000)
{
mergeState.checkAbort.Work(sumDFsinceLastAbortCheck / 5.0);
sumDFsinceLastAbortCheck = 0;
}
}
}
}
else if (indexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS)
{
if (PostingsEnum == null)
{
PostingsEnum = new MappingMultiDocsAndPositionsEnum();
}
PostingsEnum.MergeState = mergeState;
MultiDocsAndPositionsEnum postingsEnumIn = null;
while ((term = termsEnum.Next()) != null)
{
// We can pass null for liveDocs, because the
// mapping enum will skip the non-live docs:
postingsEnumIn = (MultiDocsAndPositionsEnum)termsEnum.DocsAndPositions(null, postingsEnumIn, DocsAndPositionsEnum.FLAG_PAYLOADS);
Debug.Assert(postingsEnumIn != null);
PostingsEnum.Reset(postingsEnumIn);
PostingsConsumer postingsConsumer = StartTerm(term);
TermStats stats = postingsConsumer.Merge(mergeState, indexOptions, PostingsEnum, visitedDocs);
if (stats.DocFreq > 0)
{
FinishTerm(term, stats);
sumTotalTermFreq += stats.TotalTermFreq;
sumDFsinceLastAbortCheck += stats.DocFreq;
sumDocFreq += stats.DocFreq;
if (sumDFsinceLastAbortCheck > 60000)
{
mergeState.checkAbort.Work(sumDFsinceLastAbortCheck / 5.0);
sumDFsinceLastAbortCheck = 0;
}
}
}
}
else
{
Debug.Assert(indexOptions == FieldInfo.IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS);
if (PostingsEnum == null)
{
PostingsEnum = new MappingMultiDocsAndPositionsEnum();
}
PostingsEnum.MergeState = mergeState;
MultiDocsAndPositionsEnum postingsEnumIn = null;
while ((term = termsEnum.Next()) != null)
{
// We can pass null for liveDocs, because the
// mapping enum will skip the non-live docs:
postingsEnumIn = (MultiDocsAndPositionsEnum)termsEnum.DocsAndPositions(null, postingsEnumIn);
Debug.Assert(postingsEnumIn != null);
PostingsEnum.Reset(postingsEnumIn);
PostingsConsumer postingsConsumer = StartTerm(term);
TermStats stats = postingsConsumer.Merge(mergeState, indexOptions, PostingsEnum, visitedDocs);
if (stats.DocFreq > 0)
{
FinishTerm(term, stats);
sumTotalTermFreq += stats.TotalTermFreq;
sumDFsinceLastAbortCheck += stats.DocFreq;
sumDocFreq += stats.DocFreq;
if (sumDFsinceLastAbortCheck > 60000)
{
mergeState.checkAbort.Work(sumDFsinceLastAbortCheck / 5.0);
sumDFsinceLastAbortCheck = 0;
}
}
}
}
Finish(indexOptions == FieldInfo.IndexOptions.DOCS_ONLY ? -1 : sumTotalTermFreq, sumDocFreq, visitedDocs.Cardinality());
}