org.apache.lucene.analysis.miscellaneous

Class ConcatenateGraphFilter.EscapingTokenStreamToAutomaton

java.lang.Object

org.apache.lucene.analysis.TokenStreamToAutomaton

org.apache.lucene.analysis.miscellaneous.ConcatenateGraphFilter.EscapingTokenStreamToAutomaton

Enclosing class:

ConcatenateGraphFilter

private static final class ConcatenateGraphFilter.EscapingTokenStreamToAutomaton
extends TokenStreamToAutomaton

Just escapes the ConcatenateGraphFilter.SEP_LABEL byte with an extra.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) byte	sepLabel
(package private) BytesRefBuilder	spare

Fields inherited from class org.apache.lucene.analysis.TokenStreamToAutomaton

HOLE, POS_SEP

Constructor Summary

Constructors

Constructor and Description
EscapingTokenStreamToAutomaton(int sepLabel)

Method Summary

Modifier and Type	Method and Description
protected BytesRef	changeToken(BytesRef in) Subclass and implement this if you need to change the token (such as escaping certain bytes) before it's turned into a graph.

Methods inherited from class org.apache.lucene.analysis.TokenStreamToAutomaton

setFinalOffsetGapAsHole, setPreservePositionIncrements, setUnicodeArcs, toAutomaton

Methods inherited from class java.lang.Object

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

Field Detail

spare

final BytesRefBuilder spare

sepLabel

final byte sepLabel

Constructor Detail

EscapingTokenStreamToAutomaton

public EscapingTokenStreamToAutomaton(int sepLabel)

Method Detail

changeToken

protected BytesRef changeToken(BytesRef in)

Description copied from class: TokenStreamToAutomaton

Subclass and implement this if you need to change the token (such as escaping certain bytes) before it's turned into a graph.

Overrides:

changeToken in class TokenStreamToAutomaton