| java.lang.Object | |
| ↳ | org.apache.lucene.util.ReaderUtil |
Class Overview
Common util methods for dealing with IndexReaders.
Summary
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| Public Methods | |||||||||||
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Gathers sub-readers from reader into a List.
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Returns index of the searcher/reader for document
n in the
array used to construct this searcher/reader. | |||||||||||
Returns sub IndexReader that contains the given document id.
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Returns sub-reader subIndex from reader.
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Inherited Methods | |||||||||||
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From class
java.lang.Object
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Public Constructors
public ReaderUtil ()
Public Methods
public static void gatherSubReaders (List<IndexReader> allSubReaders, IndexReader reader)
Gathers sub-readers from reader into a List.
public static int subIndex (int n, int[] docStarts)
Returns index of the searcher/reader for document n in the
array used to construct this searcher/reader.
public static IndexReader subReader (int doc, IndexReader reader)
Returns sub IndexReader that contains the given document id.
Parameters
| doc | id of document |
|---|---|
| reader | parent reader |
Returns
- sub reader of parent which contains the specified doc id
public static IndexReader subReader (IndexReader reader, int subIndex)
Returns sub-reader subIndex from reader.
Parameters
| reader | parent reader |
|---|---|
| subIndex | index of desired sub reader |
Returns
- the subreader at subIndex