org.apache.lucene.codecs.uniformsplit

Class FSTDictionary.BrowserSupplier

java.lang.Object

org.apache.lucene.codecs.uniformsplit.FSTDictionary.BrowserSupplier

All Implemented Interfaces:

IndexDictionary.BrowserSupplier, Accountable, IOSupplier<IndexDictionary.Browser>

Enclosing class:

FSTDictionary

public static class FSTDictionary.BrowserSupplier
extends Object
implements IndexDictionary.BrowserSupplier

Provides stateful FSTDictionary.Browser to seek in the FSTDictionary.

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

Field Summary

Fields

Modifier and Type	Field and Description
protected BlockDecoder	blockDecoder
protected IndexDictionary	dictionary Lazy loaded immutable index dictionary FST.
protected IndexInput	dictionaryInput
protected boolean	isFSTOnHeap

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

NULL_ACCOUNTABLE

Constructor Summary

Constructors

Constructor and Description
BrowserSupplier(IndexInput dictionaryInput, long dictionaryStartFP, BlockDecoder blockDecoder, boolean isFSTOnHeap)

Method Summary

Modifier and Type	Method and Description
IndexDictionary.Browser	get()
long	ramBytesUsed()

Methods inherited from class java.lang.Object

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

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

getChildResources

Field Detail

dictionaryInput

protected final IndexInput dictionaryInput

blockDecoder

protected final BlockDecoder blockDecoder

isFSTOnHeap

protected final boolean isFSTOnHeap

dictionary

protected IndexDictionary dictionary

Lazy loaded immutable index dictionary FST. The FST is either kept off-heap, or hold in RAM on-heap.

Constructor Detail

BrowserSupplier

public BrowserSupplier(IndexInput dictionaryInput,
                       long dictionaryStartFP,
                       BlockDecoder blockDecoder,
                       boolean isFSTOnHeap)
                throws IOException

Throws:

IOException

Method Detail

get

public IndexDictionary.Browser get()
                            throws IOException

Specified by:

get in interface IOSupplier<IndexDictionary.Browser>

Throws:

IOException

ramBytesUsed

public long ramBytesUsed()

Specified by:

ramBytesUsed in interface Accountable