org.apache.lucene.codecs.lucene40
Class Lucene40NormsFormat

java.lang.Object
  org.apache.lucene.codecs.NormsFormat
      org.apache.lucene.codecs.lucene40.Lucene40NormsFormat

public class Lucene40NormsFormat
extends NormsFormat

Lucene 4.0 Norms Format.

Files:

• .nrm.cfs: compound container
• .nrm.cfe: compound entries

Norms are implemented as DocValues, so other than file extension, norms are written exactly the same way as DocValues.

See Also:

Lucene40DocValuesFormat

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

Nested Class Summary

static class	Lucene40NormsFormat.Lucene40NormsDocValuesConsumer Lucene 4.0 PerDocConsumer implementation that uses compound file.
static class	Lucene40NormsFormat.Lucene40NormsDocValuesProducer Lucene 4.0 PerDocProducer implementation that uses compound file.

Constructor Summary

Lucene40NormsFormat()
Sole constructor.

Method Summary

PerDocConsumer	docsConsumer(PerDocWriteState state) Returns a PerDocConsumer to write norms to the index.
PerDocProducer	docsProducer(SegmentReadState state) Returns a PerDocProducer to read norms from the index.

Methods inherited from class java.lang.Object

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

Constructor Detail

Lucene40NormsFormat

public Lucene40NormsFormat()

Sole constructor.

Method Detail

docsConsumer

public PerDocConsumer docsConsumer(PerDocWriteState state)
                            throws IOException

Description copied from class: NormsFormat

Returns a PerDocConsumer to write norms to the index.

Specified by:

docsConsumer in class NormsFormat

Throws:

IOException

docsProducer

public PerDocProducer docsProducer(SegmentReadState state)
                            throws IOException

Description copied from class: NormsFormat

Returns a PerDocProducer to read norms from the index.

Specified by:

docsProducer in class NormsFormat

Throws:

IOException