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java.lang.Object org.apache.lucene.analysis.Analyzer org.apache.lucene.analysis.ReusableAnalyzerBase org.apache.lucene.analysis.StopwordAnalyzerBase 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
.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.apache.lucene.analysis.ReusableAnalyzerBase |
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ReusableAnalyzerBase.TokenStreamComponents |
Field Summary | |
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static String[] |
BRAZILIAN_STOP_WORDS
Deprecated. use getDefaultStopSet() instead |
static String |
DEFAULT_STOPWORD_FILE
File containing default Brazilian Portuguese stopwords. |
Fields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase |
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matchVersion, stopwords |
Constructor Summary | |
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BrazilianAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words ( getDefaultStopSet() ). |
|
BrazilianAnalyzer(Version matchVersion,
File stopwords)
Deprecated. use BrazilianAnalyzer(Version, Set) instead |
|
BrazilianAnalyzer(Version matchVersion,
Map<?,?> stopwords)
Deprecated. use BrazilianAnalyzer(Version, Set) instead |
|
BrazilianAnalyzer(Version matchVersion,
Set<?> stopwords)
Builds an analyzer with the given stop words |
|
BrazilianAnalyzer(Version matchVersion,
Set<?> stopwords,
Set<?> stemExclusionSet)
Builds an analyzer with the given stop words and stemming exclusion words |
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BrazilianAnalyzer(Version matchVersion,
String... stopwords)
Deprecated. use BrazilianAnalyzer(Version, Set) instead |
Method Summary | |
---|---|
protected ReusableAnalyzerBase.TokenStreamComponents |
createComponents(String fieldName,
Reader reader)
Creates ReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the provided Reader . |
static Set<?> |
getDefaultStopSet()
Returns an unmodifiable instance of the default stop-words set. |
void |
setStemExclusionTable(File exclusionlist)
Deprecated. use BrazilianAnalyzer(Version, Set, Set) instead |
void |
setStemExclusionTable(Map<?,?> exclusionlist)
Deprecated. use BrazilianAnalyzer(Version, Set, Set) instead |
void |
setStemExclusionTable(String... exclusionlist)
Deprecated. use BrazilianAnalyzer(Version, Set, Set) instead |
Methods inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase |
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getStopwordSet, loadStopwordSet |
Methods inherited from class org.apache.lucene.analysis.ReusableAnalyzerBase |
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initReader, reusableTokenStream, tokenStream |
Methods inherited from class org.apache.lucene.analysis.Analyzer |
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close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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@Deprecated public static final String[] BRAZILIAN_STOP_WORDS
getDefaultStopSet()
instead
public static final String DEFAULT_STOPWORD_FILE
Constructor Detail |
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public BrazilianAnalyzer(Version matchVersion)
getDefaultStopSet()
).
public BrazilianAnalyzer(Version matchVersion, Set<?> stopwords)
matchVersion
- lucene compatibility versionstopwords
- a stopword setpublic BrazilianAnalyzer(Version matchVersion, Set<?> stopwords, Set<?> stemExclusionSet)
matchVersion
- lucene compatibility versionstopwords
- a stopword set@Deprecated public BrazilianAnalyzer(Version matchVersion, String... stopwords)
BrazilianAnalyzer(Version, Set)
instead
@Deprecated public BrazilianAnalyzer(Version matchVersion, Map<?,?> stopwords)
BrazilianAnalyzer(Version, Set)
instead
@Deprecated public BrazilianAnalyzer(Version matchVersion, File stopwords) throws IOException
BrazilianAnalyzer(Version, Set)
instead
IOException
Method Detail |
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public static Set<?> getDefaultStopSet()
@Deprecated public void setStemExclusionTable(String... exclusionlist)
BrazilianAnalyzer(Version, Set, Set)
instead
@Deprecated public void setStemExclusionTable(Map<?,?> exclusionlist)
BrazilianAnalyzer(Version, Set, Set)
instead
Map
.
@Deprecated public void setStemExclusionTable(File exclusionlist) throws IOException
BrazilianAnalyzer(Version, Set, Set)
instead
IOException
protected ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName, Reader reader)
ReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the provided Reader
.
createComponents
in class ReusableAnalyzerBase
fieldName
- the name of the fields content passed to the
ReusableAnalyzerBase.TokenStreamComponents
sink as a readerreader
- the reader passed to the Tokenizer
constructor
ReusableAnalyzerBase.TokenStreamComponents
built from a StandardTokenizer
filtered with
LowerCaseFilter
, StandardFilter
, StopFilter
, and BrazilianStemFilter
.
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