Package org.apache.lucene.analysis.core
Class UpperCaseFilterFactory
- java.lang.Object
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- org.apache.lucene.analysis.util.AbstractAnalysisFactory
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- org.apache.lucene.analysis.util.TokenFilterFactory
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- org.apache.lucene.analysis.core.UpperCaseFilterFactory
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public class UpperCaseFilterFactory extends TokenFilterFactory
Factory forUpperCaseFilter
.<fieldType name="text_uppercase" class="solr.TextField" positionIncrementGap="100"> <analyzer> <tokenizer class="solr.WhitespaceTokenizerFactory"/> <filter class="solr.UpperCaseFilterFactory"/> </analyzer> </fieldType>
NOTE: In Unicode, this transformation may lose information when the upper case character represents more than one lower case character. Use this filter when you require uppercase tokens. Use the
LowerCaseFilterFactory
for general search matching- Since:
- 4.7.0
- SPI Name (Note: This is case-insensitive. e.g., if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service):
- "uppercase"
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Field Summary
Fields Modifier and Type Field Description static String
NAME
SPI name-
Fields inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion
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Constructor Summary
Constructors Constructor Description UpperCaseFilterFactory(Map<String,String> args)
Creates a new UpperCaseFilterFactory
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description TokenStream
create(TokenStream input)
Transform the specified input TokenStreamTokenStream
normalize(TokenStream input)
Normalize the specified input TokenStream While the default implementation returns input unchanged, filters that should be applied at normalization time can delegate tocreate
method.-
Methods inherited from class org.apache.lucene.analysis.util.TokenFilterFactory
availableTokenFilters, findSPIName, forName, lookupClass, reloadTokenFilters
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Methods inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
get, get, get, get, get, getBoolean, getChar, getClassArg, getFloat, getInt, getLines, getLuceneMatchVersion, getOriginalArgs, getPattern, getSet, getSnowballWordSet, getWordSet, isExplicitLuceneMatchVersion, require, require, require, requireBoolean, requireChar, requireFloat, requireInt, setExplicitLuceneMatchVersion, splitAt, splitFileNames
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Field Detail
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NAME
public static final String NAME
SPI name- See Also:
- Constant Field Values
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Method Detail
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create
public TokenStream create(TokenStream input)
Description copied from class:TokenFilterFactory
Transform the specified input TokenStream- Specified by:
create
in classTokenFilterFactory
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normalize
public TokenStream normalize(TokenStream input)
Description copied from class:TokenFilterFactory
Normalize the specified input TokenStream While the default implementation returns input unchanged, filters that should be applied at normalization time can delegate tocreate
method.- Overrides:
normalize
in classTokenFilterFactory
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