Class BrazilianAnalyzer

Lucene.Net.Analysis.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 Lucene.Net.Util.LuceneVersion dependent settings as StandardAnalyzer.

Inheritance

object

Analyzer

StopwordAnalyzerBase

BrazilianAnalyzer

Implements

IDisposable

Inherited Members

StopwordAnalyzerBase.StopwordSet

Analyzer.NewAnonymous(Func<string, TextReader, TokenStreamComponents>)

Analyzer.NewAnonymous(Func<string, TextReader, TokenStreamComponents>, ReuseStrategy)

Analyzer.NewAnonymous(Func<string, TextReader, TokenStreamComponents>, Func<string, TextReader, TextReader>)

Analyzer.NewAnonymous(Func<string, TextReader, TokenStreamComponents>, Func<string, TextReader, TextReader>, ReuseStrategy)

Analyzer.GetTokenStream(string, TextReader)

Analyzer.GetTokenStream(string, string)

Analyzer.GetPositionIncrementGap(string)

Analyzer.GetOffsetGap(string)

Analyzer.Strategy

Analyzer.Dispose()

Analyzer.GLOBAL_REUSE_STRATEGY

Analyzer.PER_FIELD_REUSE_STRATEGY

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Lucene.Net.Analysis.Br

Assembly: Lucene.Net.Analysis.Common.dll

Syntax

public sealed class BrazilianAnalyzer : StopwordAnalyzerBase, IDisposable

Constructors

BrazilianAnalyzer(LuceneVersion)

Builds an analyzer with the default stop words (DefaultStopSet).

Declaration

public BrazilianAnalyzer(LuceneVersion matchVersion)

Parameters

Type	Name	Description
LuceneVersion	matchVersion

BrazilianAnalyzer(LuceneVersion, CharArraySet)

Builds an analyzer with the given stop words

Declaration

public BrazilianAnalyzer(LuceneVersion matchVersion, CharArraySet stopwords)

Parameters

Type	Name	Description
LuceneVersion	matchVersion	lucene compatibility version
CharArraySet	stopwords	a stopword set

BrazilianAnalyzer(LuceneVersion, CharArraySet, CharArraySet)

Builds an analyzer with the given stop words and stemming exclusion words

Declaration

public BrazilianAnalyzer(LuceneVersion matchVersion, CharArraySet stopwords, CharArraySet stemExclusionSet)

Parameters

Type	Name	Description
LuceneVersion	matchVersion	lucene compatibility version
CharArraySet	stopwords	a stopword set
CharArraySet	stemExclusionSet	a set of terms not to be stemmed

Fields

DEFAULT_STOPWORD_FILE

File containing default Brazilian Portuguese stopwords.

Declaration

public const string DEFAULT_STOPWORD_FILE = "stopwords.txt"

Field Value

Type	Description
string

Properties

DefaultStopSet

Returns an unmodifiable instance of the default stop-words set.

Declaration

public static CharArraySet DefaultStopSet { get; }

Property Value

Type	Description
CharArraySet	an unmodifiable instance of the default stop-words set.

Methods

CreateComponents(string, TextReader)

Creates Lucene.Net.Analysis.TokenStreamComponents used to tokenize all the text in the provided TextReader.

Declaration

protected override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)

Parameters

Type	Name	Description
string	fieldName
TextReader	reader

Returns

Type	Description
TokenStreamComponents	Lucene.Net.Analysis.TokenStreamComponents built from a StandardTokenizer filtered with LowerCaseFilter, StandardFilter, StopFilter, and BrazilianStemFilter.

Overrides

Analyzer.CreateComponents(string, TextReader)

Implements

IDisposable