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.
Method Summary |
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.util.AttributeSource |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState |
CategoryListTokenizer
public CategoryListTokenizer(TokenStream input,
FacetIndexingParams indexingParams)
- See Also:
CategoryTokenizerBase.CategoryTokenizerBase(TokenStream, FacetIndexingParams)
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
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