org.apache.lucene.codecs.memory

Class FSTOrdTermsReader

java.lang.Object

FieldsProducer

org.apache.lucene.codecs.memory.FSTOrdTermsReader

public class FSTOrdTermsReader
extends FieldsProducer

FST-based terms dictionary reader. The FST index maps each term and its ord, and during seek the ord is used to fetch metadata from a single block. The term dictionary is fully memory resident.

Constructor Summary

Constructors

Constructor and Description
FSTOrdTermsReader(SegmentReadState state, PostingsReaderBase postingsReader)

Method Summary

Modifier and Type	Method and Description
void	checkIntegrity()
void	close()
java.util.Collection<Accountable>	getChildResources()
java.util.Iterator<java.lang.String>	iterator()
long	ramBytesUsed()
int	size()
Terms	terms(java.lang.String field)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FSTOrdTermsReader

public FSTOrdTermsReader(SegmentReadState state,
                         PostingsReaderBase postingsReader)
                  throws java.io.IOException

Throws:

java.io.IOException

Method Detail

iterator

public java.util.Iterator<java.lang.String> iterator()

terms

public Terms terms(java.lang.String field)
            throws java.io.IOException

Throws:

java.io.IOException

size

public int size()

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

ramBytesUsed

public long ramBytesUsed()

getChildResources

public java.util.Collection<Accountable> getChildResources()

toString

public java.lang.String toString()

checkIntegrity

public void checkIntegrity()
                    throws java.io.IOException

Throws:

java.io.IOException