org.apache.solr.analysis

Class RemoveDuplicatesTokenFilter

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.solr.analysis.RemoveDuplicatesTokenFilter

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public final class RemoveDuplicatesTokenFilter
extends org.apache.lucene.analysis.TokenFilter

A TokenFilter which filters out Tokens at the same position and Term text as the previous token in the stream.

Nested Class Summary

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

org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State

Field Summary

Fields

Modifier and Type	Field and Description
private org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute	posIncAttribute
private org.apache.lucene.analysis.CharArraySet	previous
private org.apache.lucene.analysis.tokenattributes.CharTermAttribute	termAttribute

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

input

Constructor Summary

Constructors

Constructor and Description
RemoveDuplicatesTokenFilter(org.apache.lucene.analysis.TokenStream in) Creates a new RemoveDuplicatesTokenFilter

Method Summary

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

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

close, end

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

Field Detail

termAttribute

private final org.apache.lucene.analysis.tokenattributes.CharTermAttribute termAttribute

posIncAttribute

private final org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute posIncAttribute

previous

private final org.apache.lucene.analysis.CharArraySet previous

Constructor Detail

RemoveDuplicatesTokenFilter

public RemoveDuplicatesTokenFilter(org.apache.lucene.analysis.TokenStream in)

Creates a new RemoveDuplicatesTokenFilter

Parameters:

in - TokenStream that will be filtered

Method Detail

incrementToken

public boolean incrementToken()
                       throws java.io.IOException

Specified by:

incrementToken in class org.apache.lucene.analysis.TokenStream

Throws:

java.io.IOException

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class org.apache.lucene.analysis.TokenFilter

Throws:

java.io.IOException