Package org.apache.lucene.analysis.th

Class ThaiRepeatFilter

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.lucene.analysis.th.ThaiRepeatFilter

All Implemented Interfaces:

Closeable, AutoCloseable, Unwrappable<TokenStream>

public final class ThaiRepeatFilter
extends TokenFilter

A TokenFilter that handles Thai Maiyamok (ๆ, U+0E46), which denotes word repetition (reduplication).

When a standalone Maiyamok token is encountered, it is replaced with the preceding term. When a token with trailing Maiyamok is encountered, trailing Maiyamok characters are stripped and duplicate token(s) are emitted.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource

AttributeSource.State

Field Summary

Fields

Modifier and Type	Field	Description
static final char	MAIYAMOK	Thai Maiyamok character (ๆ)

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

input

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

DEFAULT_TOKEN_ATTRIBUTE_FACTORY

Constructor Summary

Constructors

Constructor	Description
ThaiRepeatFilter(TokenStream input)	Creates a new ThaiRepeatFilter.

Method Summary

Modifier and Type	Method	Description
boolean	incrementToken()
void	reset()

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

close, end, unwrap

Methods inherited from class org.apache.lucene.util.AttributeSource

addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, endAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, removeAllAttributes, restoreState, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

MAIYAMOK

public static final char MAIYAMOK

Thai Maiyamok character (ๆ)

See Also:

• Constant Field Values

Constructor Details

ThaiRepeatFilter

public ThaiRepeatFilter(TokenStream input)

Creates a new ThaiRepeatFilter.

Parameters:

input - the input TokenStream

Method Details

incrementToken

public boolean incrementToken()
                       throws IOException

Specified by:

incrementToken in class TokenStream

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class TokenFilter

Throws:

IOException