org.apache.jackrabbit.core.query.lucene
Interface MultiIndexReader

All Superinterfaces:

ReleaseableIndexReader

All Known Implementing Classes:

CachingMultiIndexReader, JackrabbitIndexReader, SearchIndex.CombinedIndexReader

public interface MultiIndexReader
extends ReleaseableIndexReader

MultiIndexReader exposes methods to get access to the contained IndexReaders of this MultiIndexReader.

Method Summary

org.apache.jackrabbit.core.query.lucene.ForeignSegmentDocId	createDocId(NodeId id) Creates a document id for the given node identifier.
int	getDocumentNumber(org.apache.jackrabbit.core.query.lucene.ForeignSegmentDocId docId) Returns the document number for the passed docId.
org.apache.lucene.index.IndexReader[]	getIndexReaders()

Methods inherited from interface org.apache.jackrabbit.core.query.lucene.ReleaseableIndexReader

release

Method Detail

getIndexReaders

org.apache.lucene.index.IndexReader[] getIndexReaders()

Returns:

the IndexReaders that are contained in this MultiIndexReader.

createDocId

org.apache.jackrabbit.core.query.lucene.ForeignSegmentDocId createDocId(NodeId id)
                                                                        throws IOException

Creates a document id for the given node identifier.

Parameters:

id - the id of the node.

Returns:

a foreign segment doc id or null if there is no node with the given id.

Throws:

IOException - if an error occurs while reading from the index.

getDocumentNumber

int getDocumentNumber(org.apache.jackrabbit.core.query.lucene.ForeignSegmentDocId docId)
                      throws IOException

Returns the document number for the passed docId. If the id is invalid -1 is returned.

Parameters:

docId - the document id to resolve.

Returns:

the document number or -1 if it is invalid (e.g. does not exist).

Throws:

IOException - if an error occurs while reading from the index.