/// <summary>
/// Expert: same as <seealso cref="#wrap(AtomicReader, Sort)"/> but operates directly on a <seealso cref="Sorter.DocMap"/>. </summary>
internal static AtomicReader wrap(AtomicReader reader, Sorter.DocMap docMap)
{
if (docMap == null)
{
// the reader is already sorter
return reader;
}
if (reader.maxDoc() != docMap.size())
{
throw new System.ArgumentException("reader.maxDoc() should be equal to docMap.size(), got" + reader.maxDoc() + " != " + docMap.size());
}
Debug.Assert(Sorter.isConsistent(docMap));
return new SortingAtomicReader(reader, docMap);
}
