Package 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.

Field Summary

Fields

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

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

NULL_ACCOUNTABLE

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
IndexDictionary.Browser	get()	Gets the result.
long	ramBytesUsed()	Return the memory usage of this object in bytes.

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 Details

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 Details

BrowserSupplier

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

Throws:

IOException

Method Details

get

public IndexDictionary.Browser get()
                            throws IOException

Description copied from interface: IOSupplier

Gets the result.

Specified by:

get in interface IOSupplier<IndexDictionary.Browser>

Returns:

the result

Throws:

IOException - if producing the result throws an IOException

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

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

Specified by:

ramBytesUsed in interface Accountable