org.apache.lucene.facet.index.streaming

Class CategoryListTokenizer

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.lucene.facet.index.streaming.CategoryTokenizerBase

org.apache.lucene.facet.index.streaming.CategoryListTokenizer

All Implemented Interfaces:

Closeable

Direct Known Subclasses:

AssociationListTokenizer, CountingListTokenizer

public abstract class CategoryListTokenizer
extends CategoryTokenizerBase

A base class for category list tokenizers, which add category list tokens to category streams.

WARNING: This API is experimental and might change in incompatible ways in the next release.

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.facet.index.streaming.CategoryTokenizerBase

categoryAttribute, indexingParams, payload, payloadAttribute, termAttribute

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

input

Constructor Summary

Constructors

Constructor and Description
CategoryListTokenizer(TokenStream input, FacetIndexingParams indexingParams)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	handleEndOfInput() A method invoked once when the input stream ends, for subclass-specific processing.
protected void	handleStartOfInput() A method invoked once when the input stream begins, for subclass-specific processing.
abstract 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

Methods inherited from class java.lang.Object

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

Constructor Detail

CategoryListTokenizer

public CategoryListTokenizer(TokenStream input,
                     FacetIndexingParams indexingParams)

See Also:

CategoryTokenizerBase.CategoryTokenizerBase(TokenStream, FacetIndexingParams)

Method Detail

handleStartOfInput

protected void handleStartOfInput()
                           throws IOException

A method invoked once when the input stream begins, for subclass-specific processing. Subclass implementations must invoke this one, too!

Throws:

IOException

handleEndOfInput

protected void handleEndOfInput()
                         throws IOException

A method invoked once when the input stream ends, for subclass-specific processing.

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class TokenFilter

Throws:

IOException

incrementToken

public abstract boolean incrementToken()
                                throws IOException

Specified by:

incrementToken in class CategoryTokenizerBase

Throws:

IOException