org.apache.lucene.codecs.lucene53

Class Lucene53NormsProducer

java.lang.Object

org.apache.lucene.codecs.NormsProducer

org.apache.lucene.codecs.lucene53.Lucene53NormsProducer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, Accountable

class Lucene53NormsProducer
extends NormsProducer

Reader for Lucene53NormsFormat

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	Lucene53NormsProducer.NormsEntry

Field Summary

Fields

Modifier and Type	Field and Description
private IndexInput	data
private int	maxDoc
private java.util.Map<java.lang.Integer,Lucene53NormsProducer.NormsEntry>	norms

Constructor Summary

Constructors

Constructor and Description
Lucene53NormsProducer(SegmentReadState state, java.lang.String dataCodec, java.lang.String dataExtension, java.lang.String metaCodec, java.lang.String metaExtension)

Method Summary

Modifier and Type	Method and Description
void	checkIntegrity() Checks consistency of this producer
void	close()
NumericDocValues	getNorms(FieldInfo field) Returns NumericDocValues for this field.
long	ramBytesUsed() Return the memory usage of this object in bytes.
private void	readFields(IndexInput meta, FieldInfos infos)
java.lang.String	toString()

Methods inherited from class org.apache.lucene.codecs.NormsProducer

getMergeInstance

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.util.Accountable

getChildResources

Field Detail

norms

private final java.util.Map<java.lang.Integer,Lucene53NormsProducer.NormsEntry> norms

data

private final IndexInput data

maxDoc

private final int maxDoc

Constructor Detail

Lucene53NormsProducer

Lucene53NormsProducer(SegmentReadState state,
                      java.lang.String dataCodec,
                      java.lang.String dataExtension,
                      java.lang.String metaCodec,
                      java.lang.String metaExtension)
               throws java.io.IOException

Throws:

java.io.IOException

Method Detail

readFields

private void readFields(IndexInput meta,
                        FieldInfos infos)
                 throws java.io.IOException

Throws:

java.io.IOException

getNorms

public NumericDocValues getNorms(FieldInfo field)
                          throws java.io.IOException

Description copied from class: NormsProducer

Returns NumericDocValues for this field. The returned instance need not be thread-safe: it will only be used by a single thread.

Specified by:

getNorms in class NormsProducer

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

Return the memory usage of this object in bytes. Negative values are illegal.

checkIntegrity

public void checkIntegrity()
                    throws java.io.IOException

Description copied from class: NormsProducer

Checks consistency of this producer

Note that this may be costly in terms of I/O, e.g. may involve computing a checksum value against large data files.

Specified by:

checkIntegrity in class NormsProducer

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object