/// <summary> Returns sub IndexReader that contains the given document id.
///
/// </summary>
/// <param name="doc">id of document
/// </param>
/// <param name="reader">parent reader
/// </param>
/// <returns> sub reader of parent which contains the specified doc id
/// </returns>
public static IndexReader SubReader(int doc, IndexReader reader)
{
System.Collections.ArrayList subReadersList = new System.Collections.ArrayList();
ReaderUtil.GatherSubReaders(subReadersList, reader);
IndexReader[] subReaders = (IndexReader[])subReadersList.ToArray(typeof(IndexReader));
int[] docStarts = new int[subReaders.Length];
int maxDoc = 0;
for (int i = 0; i < subReaders.Length; i++)
{
docStarts[i] = maxDoc;
maxDoc += subReaders[i].MaxDoc();
}
return(subReaders[ReaderUtil.SubIndex(doc, docStarts)]);
}
/// <summary> Returns sub IndexReader that contains the given document id.
///
/// </summary>
/// <param name="doc">id of document
/// </param>
/// <param name="reader">parent reader
/// </param>
/// <returns> sub reader of parent which contains the specified doc id
/// </returns>
public static IndexReader SubReader(int doc, IndexReader reader)
{
var subReadersList = new System.Collections.Generic.List <IndexReader>();
ReaderUtil.GatherSubReaders(subReadersList, reader);
IndexReader[] subReaders = subReadersList.ToArray();
int[] docStarts = new int[subReaders.Length];
int maxDoc = 0;
for (int i = 0; i < subReaders.Length; i++)
{
docStarts[i] = maxDoc;
maxDoc += subReaders[i].MaxDoc;
}
return(subReaders[ReaderUtil.SubIndex(doc, docStarts)]);
}
/// <summary>Returns index of the searcher for document <c>n</c> in the array
/// used to construct this searcher.
/// </summary>
public virtual int SubSearcher(int n)
{
// find searcher for doc n:
return(ReaderUtil.SubIndex(n, starts));
}
