org.apache.lucene.codecs

Class SegmentInfoReader

java.lang.Object

org.apache.lucene.codecs.SegmentInfoReader

Direct Known Subclasses:

Lucene3xSegmentInfoReader, Lucene40SegmentInfoReader, Lucene46SegmentInfoReader

public abstract class SegmentInfoReader
extends Object

Specifies an API for classes that can read SegmentInfo information.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SegmentInfoReader() Sole constructor.

Method Summary

Methods

Modifier and Type	Method and Description
abstract SegmentInfo	read(Directory directory, String segmentName, IOContext context) Read SegmentInfo data from a directory.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SegmentInfoReader

protected SegmentInfoReader()

Sole constructor. (For invocation by subclass constructors, typically implicit.)

Method Detail

read

public abstract SegmentInfo read(Directory directory,
               String segmentName,
               IOContext context)
                          throws IOException

Read SegmentInfo data from a directory.

Parameters:

directory - directory to read from

segmentName - name of the segment to read

Returns:

infos instance to be populated with data

Throws:

IOException - If an I/O error occurs