Package org.apache.lucene.analysis.miscellaneous

Class DateRecognizerFilter

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.lucene.analysis.FilteringTokenFilter

org.apache.lucene.analysis.miscellaneous.DateRecognizerFilter

All Implemented Interfaces:

Closeable, AutoCloseable

public class DateRecognizerFilter
extends FilteringTokenFilter

Filters all tokens that cannot be parsed to a date, using the provided DateFormat.

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 String	DATE_TYPE
private final DateFormat	dateFormat
private final CharTermAttribute	termAtt

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
DateRecognizerFilter(TokenStream input)	Uses DateFormat.DEFAULT and Locale.ENGLISH to create a DateFormat instance.
DateRecognizerFilter(TokenStream input, DateFormat dateFormat)

Method Summary

Modifier and Type	Method	Description
boolean	accept()	Override this method and return if the current input token should be returned by FilteringTokenFilter.incrementToken().

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

end, incrementToken, reset

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

close

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

DATE_TYPE

public static final String DATE_TYPE

See Also:

• Constant Field Values

termAtt

private final CharTermAttribute termAtt

dateFormat

private final DateFormat dateFormat

Constructor Details

DateRecognizerFilter

public DateRecognizerFilter(TokenStream input)

Uses DateFormat.DEFAULT and Locale.ENGLISH to create a DateFormat instance.

DateRecognizerFilter

public DateRecognizerFilter(TokenStream input,
 DateFormat dateFormat)

Method Details

accept

public boolean accept()

Description copied from class: FilteringTokenFilter

Override this method and return if the current input token should be returned by FilteringTokenFilter.incrementToken().

Specified by:

accept in class FilteringTokenFilter