Package org.apache.lucene.codecs.lucene90

Class Lucene90LiveDocsFormat

java.lang.Object

org.apache.lucene.codecs.LiveDocsFormat

org.apache.lucene.codecs.lucene90.Lucene90LiveDocsFormat

public final class Lucene90LiveDocsFormat
extends LiveDocsFormat

Lucene 9.0 live docs format

The .liv file is optional, and only exists when a segment contains deletions.

Although per-segment, this file is maintained exterior to compound segment files.

Deletions (.liv) --> IndexHeader,Generation,Bits

• SegmentHeader --> IndexHeader
• Bits --> <Int64> ^LongCount

Constructor Summary

Constructors

Constructor	Description
Lucene90LiveDocsFormat()	Sole constructor.

Method Summary

Modifier and Type	Method	Description
void	files(SegmentCommitInfo info, Collection<String> files)	Records all files in use by this SegmentCommitInfo into the files argument.
Bits	readLiveDocs(Directory dir, SegmentCommitInfo info, IOContext context)	Read live docs bits.
void	writeLiveDocs(Bits bits, Directory dir, SegmentCommitInfo info, int newDelCount, IOContext context)	Persist live docs bits.

Methods inherited from class java.lang.Object

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

Constructor Detail

Lucene90LiveDocsFormat

public Lucene90LiveDocsFormat()

Sole constructor.

Method Detail

readLiveDocs

public Bits readLiveDocs(Directory dir,
                         SegmentCommitInfo info,
                         IOContext context)
                  throws IOException

Description copied from class: LiveDocsFormat

Read live docs bits.

Specified by:

readLiveDocs in class LiveDocsFormat

Throws:

IOException

writeLiveDocs

public void writeLiveDocs(Bits bits,
                          Directory dir,
                          SegmentCommitInfo info,
                          int newDelCount,
                          IOContext context)
                   throws IOException

Description copied from class: LiveDocsFormat

Persist live docs bits. Use SegmentCommitInfo.getNextDelGen() to determine the generation of the deletes file you should write to.

Specified by:

writeLiveDocs in class LiveDocsFormat

Throws:

IOException

files

public void files(SegmentCommitInfo info,
                  Collection<String> files)
           throws IOException

Description copied from class: LiveDocsFormat

Records all files in use by this SegmentCommitInfo into the files argument.

Specified by:

files in class LiveDocsFormat

Throws:

IOException