org.apache.lucene.analysis.el

Class GreekLowerCaseFilter

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.lucene.analysis.el.GreekLowerCaseFilter

All Implemented Interfaces:

Closeable

public final class GreekLowerCaseFilter
extends TokenFilter

Normalizes token text to lower case, removes some Greek diacritics, and standardizes final sigma to sigma.

You must specify the required Version compatibility when creating GreekLowerCaseFilter:

• As of 3.1, supplementary characters are properly lowercased.

Nested Class Summary

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

AttributeSource.AttributeFactory, AttributeSource.State

Field Summary

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

input

Constructor Summary

Constructors

Constructor and Description
GreekLowerCaseFilter(Version matchVersion, TokenStream in) Create a GreekLowerCaseFilter that normalizes Greek token text.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	incrementToken()

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

close, end, reset

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

GreekLowerCaseFilter

public GreekLowerCaseFilter(Version matchVersion,
                    TokenStream in)

Create a GreekLowerCaseFilter that normalizes Greek token text.

Parameters:

matchVersion - Lucene compatibility version, See above

in - TokenStream to filter

Method Detail

incrementToken

public boolean incrementToken()
                       throws IOException

Specified by:

incrementToken in class TokenStream

Throws:

IOException