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java.lang.Object org.apache.lucene.analysis.Analyzer org.apache.lucene.analysis.br.BrazilianAnalyzer
public final class BrazilianAnalyzer
Analyzer
for Brazilian Portuguese language.
Supports an external list of stopwords (words that will not be indexed at all) and an external list of exclusions (words that will not be stemmed, but indexed).
NOTE: This class uses the same Version
dependent settings as StandardAnalyzer
.
Field Summary | |
---|---|
static String[] |
BRAZILIAN_STOP_WORDS
List of typical Brazilian Portuguese stopwords. |
Fields inherited from class org.apache.lucene.analysis.Analyzer |
---|
overridesTokenStreamMethod |
Constructor Summary | |
---|---|
BrazilianAnalyzer()
Deprecated. Use BrazilianAnalyzer(Version) instead |
|
BrazilianAnalyzer(File stopwords)
Deprecated. Use BrazilianAnalyzer(Version, File) instead |
|
BrazilianAnalyzer(Map stopwords)
Deprecated. Use BrazilianAnalyzer(Version, Map) instead |
|
BrazilianAnalyzer(String[] stopwords)
Deprecated. Use BrazilianAnalyzer(Version, String[]) instead |
|
BrazilianAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words ( BRAZILIAN_STOP_WORDS ). |
|
BrazilianAnalyzer(Version matchVersion,
File stopwords)
Builds an analyzer with the given stop words. |
|
BrazilianAnalyzer(Version matchVersion,
Map stopwords)
Builds an analyzer with the given stop words. |
|
BrazilianAnalyzer(Version matchVersion,
String[] stopwords)
Builds an analyzer with the given stop words. |
Method Summary | |
---|---|
TokenStream |
reusableTokenStream(String fieldName,
Reader reader)
Returns a (possibly reused) TokenStream which tokenizes all the text
in the provided Reader . |
void |
setStemExclusionTable(File exclusionlist)
Builds an exclusionlist from the words contained in the given file. |
void |
setStemExclusionTable(Map exclusionlist)
Builds an exclusionlist from a Map . |
void |
setStemExclusionTable(String[] exclusionlist)
Builds an exclusionlist from an array of Strings. |
TokenStream |
tokenStream(String fieldName,
Reader reader)
Creates a TokenStream which tokenizes all the text in the provided Reader . |
Methods inherited from class org.apache.lucene.analysis.Analyzer |
---|
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setOverridesTokenStreamMethod, setPreviousTokenStream |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final String[] BRAZILIAN_STOP_WORDS
Constructor Detail |
---|
public BrazilianAnalyzer()
BrazilianAnalyzer(Version)
instead
BRAZILIAN_STOP_WORDS
).
public BrazilianAnalyzer(Version matchVersion)
BRAZILIAN_STOP_WORDS
).
public BrazilianAnalyzer(String[] stopwords)
BrazilianAnalyzer(Version, String[])
instead
public BrazilianAnalyzer(Version matchVersion, String[] stopwords)
public BrazilianAnalyzer(Map stopwords)
BrazilianAnalyzer(Version, Map)
instead
public BrazilianAnalyzer(Version matchVersion, Map stopwords)
public BrazilianAnalyzer(File stopwords) throws IOException
BrazilianAnalyzer(Version, File)
instead
IOException
public BrazilianAnalyzer(Version matchVersion, File stopwords) throws IOException
IOException
Method Detail |
---|
public void setStemExclusionTable(String[] exclusionlist)
public void setStemExclusionTable(Map exclusionlist)
Map
.
public void setStemExclusionTable(File exclusionlist) throws IOException
IOException
public final TokenStream tokenStream(String fieldName, Reader reader)
TokenStream
which tokenizes all the text in the provided Reader
.
tokenStream
in class Analyzer
TokenStream
built from a StandardTokenizer
filtered with
LowerCaseFilter
, StandardFilter
, StopFilter
, and
BrazilianStemFilter
.public TokenStream reusableTokenStream(String fieldName, Reader reader) throws IOException
TokenStream
which tokenizes all the text
in the provided Reader
.
reusableTokenStream
in class Analyzer
TokenStream
built from a StandardTokenizer
filtered with
LowerCaseFilter
, StandardFilter
, StopFilter
, and
BrazilianStemFilter
.
IOException
|
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