/// <summary>
/// Creates a
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// which tokenizes all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> A
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from an <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="LowerCaseFilter"/>, <seealso cref="StopFilter"/>
/// , <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided and <seealso cref="SnowballFilter"/>. </returns>
public override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stopwords);
if (stemExclusionSet.Count > 0)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
result = new SnowballFilter(result, new NorwegianStemmer());
return(new TokenStreamComponents(source, result));
}
public override TokenStream TokenStream(string fieldName, TextReader reader)
{
//Apply standard tokenizer to input
var tokenizedInput = new StandardTokenizer(_version, reader);
//Apply standard, lowercase and English stop words filters to input
var filteredInput = new SnowballFilter(new StopFilter(true, new LowerCaseFilter(new StandardFilter(tokenizedInput)),
StopAnalyzer.ENGLISH_STOP_WORDS_SET), new EnglishStemmer());
//Apply EdgeNGram filter to front of words
//Min size of grams max size of grams
var grammedInput = new EdgeNGramTokenFilter(filteredInput, Side.FRONT, _mingram, _maxgram);
return(grammedInput);
}
protected override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
TokenStreamComponents tokenStreamComponents = null;
Tokenizer tokenizer = new StandardTokenizer(matchVersion, reader);
TokenStream stream = new StandardFilter(matchVersion, tokenizer);
stream = new LowerCaseFilter(matchVersion, stream);
stream = new StopFilter(matchVersion, stream, StopAnalyzer.ENGLISH_STOP_WORDS_SET);
stream = new PorterStemFilter(stream);
stream = new SnowballFilter(stream, new EnglishStemmer());
tokenStreamComponents = new TokenStreamComponents(tokenizer, stream);
return(tokenStreamComponents);
}
/// <summary>
/// Creates a
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// which tokenizes all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> A
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from an <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="LowerCaseFilter"/>, <seealso cref="StopFilter"/>
/// , <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided and <seealso cref="SnowballFilter"/>. </returns>
protected internal override TokenStreamComponents createComponents(string fieldName, Reader reader)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, reader);
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stopwords);
if (!stemExclusionSet.Empty)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
result = new SnowballFilter(result, new FinnishStemmer());
return new TokenStreamComponents(source, result);
}
protected override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
TokenStreamComponents tokenStreamComponents = null;
Tokenizer tokenizer = new StandardTokenizer(matchVersion, reader);
TokenStream stream = new LowerCaseFilter(matchVersion, tokenizer);
stream = new CyrllicToLatinFilter(stream);
stream = new StopFilter(matchVersion, stream, StopFilter.MakeStopSet(matchVersion, STOP_WORDS));
stream = new SnowballFilter(stream, new SimpleSerbianStemmer());
stream = new ASCIIFoldingFilter(stream);
tokenStreamComponents = new TokenStreamComponents(tokenizer, stream);
return(tokenStreamComponents);
}
public override TokenStream TokenStream(string fieldName, System.IO.TextReader reader)
{
TokenStream result = new StandardTokenizer(Lucene.Net.Util.Version.LUCENE_29, reader);
//result = new StandardFilter(result);
result = new LowerCaseFilter(result);
if (STOP_WORDS != null)
{
result = new StopFilter(false, result, STOP_WORDS);
}
result = new ASCIIFoldingFilter(result);
result = new SnowballFilter(result, "English");
return(result);
}
/// <summary>
/// Creates a
/// <see cref="TokenStreamComponents"/>
/// which tokenizes all the text in the provided <see cref="TextReader"/>.
/// </summary>
/// <returns> A
/// <see cref="TokenStreamComponents"/>
/// built from an <see cref="StandardTokenizer"/> filtered with
/// <see cref="StandardFilter"/>, <see cref="TurkishLowerCaseFilter"/>,
/// <see cref="StopFilter"/>, <see cref="SetKeywordMarkerFilter"/> if a stem
/// exclusion set is provided and <see cref="SnowballFilter"/>. </returns>
protected internal override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
Tokenizer source = new StandardTokenizer(m_matchVersion, reader);
TokenStream result = new StandardFilter(m_matchVersion, source);
if (m_matchVersion.OnOrAfter(LuceneVersion.LUCENE_48))
{
result = new ApostropheFilter(result);
}
result = new TurkishLowerCaseFilter(result);
result = new StopFilter(m_matchVersion, result, m_stopwords);
if (stemExclusionSet.Count > 0)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
result = new SnowballFilter(result, new TurkishStemmer());
return new TokenStreamComponents(source, result);
}
/// <summary>
/// Creates a
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// which tokenizes all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> A
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from an <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="ElisionFilter"/>, <seealso cref="LowerCaseFilter"/>,
/// <seealso cref="StopFilter"/>, <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided and <seealso cref="SnowballFilter"/>. </returns>
public override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
if (matchVersion.OnOrAfter(LuceneVersion.LUCENE_36))
{
result = new ElisionFilter(result, DEFAULT_ARTICLES);
}
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stopwords);
if (stemExclusionSet.Count > 0)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
result = new SnowballFilter(result, new CatalanStemmer());
return(new TokenStreamComponents(source, result));
}
/// <summary>
/// Creates
/// <see cref="TokenStreamComponents"/>
/// used to tokenize all the text in the provided <see cref="TextReader"/>.
/// </summary>
/// <returns> <see cref="TokenStreamComponents"/>
/// built from a <see cref="StandardTokenizer"/> filtered with
/// <see cref="StandardFilter"/>, <see cref="ElisionFilter"/>,
/// <see cref="LowerCaseFilter"/>, <see cref="StopFilter"/>,
/// <see cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided, and <see cref="FrenchLightStemFilter"/> </returns>
///
protected internal override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
#pragma warning disable 612, 618
if (m_matchVersion.OnOrAfter(LuceneVersion.LUCENE_31))
#pragma warning restore 612, 618
{
Tokenizer source = new StandardTokenizer(m_matchVersion, reader);
TokenStream result = new StandardFilter(m_matchVersion, source);
result = new ElisionFilter(result, DEFAULT_ARTICLES);
result = new LowerCaseFilter(m_matchVersion, result);
result = new StopFilter(m_matchVersion, result, m_stopwords);
if (excltable.Count > 0)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
#pragma warning disable 612, 618
if (m_matchVersion.OnOrAfter(LuceneVersion.LUCENE_36))
#pragma warning restore 612, 618
{
result = new FrenchLightStemFilter(result);
}
else
{
result = new SnowballFilter(result, new Tartarus.Snowball.Ext.FrenchStemmer());
}
return(new TokenStreamComponents(source, result));
}
else
{
Tokenizer source = new StandardTokenizer(m_matchVersion, reader);
TokenStream result = new StandardFilter(m_matchVersion, source);
result = new StopFilter(m_matchVersion, result, m_stopwords);
if (excltable.Count > 0)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
#pragma warning disable 612, 618
result = new FrenchStemFilter(result);
#pragma warning restore 612, 618
// Convert to lowercase after stemming!
return(new TokenStreamComponents(source, new LowerCaseFilter(m_matchVersion, result)));
}
}
public override TokenStream TokenStream(string fieldName, System.IO.TextReader reader)
{
TokenStream result = new StandardTokenizer(Lucene.Net.Util.Version.LUCENE_29, reader);
//result = new StandardFilter(result);
result = new LowerCaseFilter(result);
if (STOP_WORDS != null)
{
result = new StopFilter(false, result, STOP_WORDS);
}
result = new ASCIIFoldingFilter(result);
// we are using a distinct version of the Spanish stemmer, called Spanish2
// Please check if this class can be found in the Snowball library, the relative path
// should be: Snowball\SF\Snowball\Ext\
// just in case, I would leave a copy of this class in this project
result = new SnowballFilter(result, "Spanish");
return(result);
}
/// <summary>
/// Creates
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// used to tokenize all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from a <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="ElisionFilter"/>,
/// <seealso cref="LowerCaseFilter"/>, <seealso cref="StopFilter"/>,
/// <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided, and <seealso cref="FrenchLightStemFilter"/> </returns>
protected internal override TokenStreamComponents createComponents(string fieldName, Reader reader)
{
if (matchVersion.onOrAfter(Version.LUCENE_31))
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, reader);
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new ElisionFilter(result, DEFAULT_ARTICLES);
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stopwords);
if (!excltable.Empty)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
if (matchVersion.onOrAfter(Version.LUCENE_36))
{
result = new FrenchLightStemFilter(result);
}
else
{
result = new SnowballFilter(result, new org.tartarus.snowball.ext.FrenchStemmer());
}
return(new TokenStreamComponents(source, result));
}
else
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, reader);
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new StopFilter(matchVersion, result, stopwords);
if (!excltable.Empty)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
result = new FrenchStemFilter(result);
// Convert to lowercase after stemming!
return(new TokenStreamComponents(source, new LowerCaseFilter(matchVersion, result)));
}
}
/// <summary>
/// Creates a
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// which tokenizes all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> A
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from an <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="IrishLowerCaseFilter"/>, <seealso cref="StopFilter"/>
/// , <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided and <seealso cref="SnowballFilter"/>. </returns>
public override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
StopFilter s = new StopFilter(matchVersion, result, HYPHENATIONS);
if (!matchVersion.OnOrAfter(LuceneVersion.LUCENE_44))
{
s.EnablePositionIncrements = false;
}
result = s;
result = new ElisionFilter(result, DEFAULT_ARTICLES);
result = new IrishLowerCaseFilter(result);
result = new StopFilter(matchVersion, result, stopwords);
if (stemExclusionSet.Count > 0)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
result = new SnowballFilter(result, new IrishStemmer());
return(new TokenStreamComponents(source, result));
}
/// <summary>
/// Creates a
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// which tokenizes all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> A
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from an <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="LowerCaseFilter"/>, <seealso cref="StopFilter"/>
/// , <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided and <seealso cref="PortugueseLightStemFilter"/>. </returns>
public override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stopwords);
if (stemExclusionSet.Count > 0)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
if (matchVersion.OnOrAfter(LuceneVersion.LUCENE_36))
{
result = new PortugueseLightStemFilter(result);
}
else
{
result = new SnowballFilter(result, new Tartarus.Snowball.Ext.PortugueseStemmer());
}
return(new TokenStreamComponents(source, result));
}
public override TokenStream TokenStream(string fieldName, TextReader reader)
{
if (!this._Language.Equals("JA", StringComparison.CurrentCultureIgnoreCase))
{//不是日语的需要重建Reader。wangyunpeng
reader = this.InitReader(reader);
}
TokenStream result = this._Analyzer.TokenStream(fieldName, reader);
result = new StopFilter(this._EnableStopPositionIncrements, result, this._StopCharArraySet, true);
SnowballProgram snowballProgram = SnowballDict.GetSnowball(this._Language);//词干。wangyunpeng，2015-8-17改成线程安全的调用方式。
if (snowballProgram != null)
{
result = new SnowballFilter(result, snowballProgram);
}
if (_UseIndexSynonyms)
{//在创建索引的时候，将同义词，近义词，相关词存入索引。
result = new SynonymsFilter(this._Language, result);
}
return(result);
}
/// <summary>
/// Creates a
/// <see cref="TokenStreamComponents"/>
/// which tokenizes all the text in the provided <see cref="TextReader"/>.
/// </summary>
/// <returns> A
/// <see cref="TokenStreamComponents"/>
/// built from an <see cref="StandardTokenizer"/> filtered with
/// <see cref="StandardFilter"/>, <see cref="LowerCaseFilter"/>, <see cref="StopFilter"/>,
/// <see cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided and <see cref="SpanishLightStemFilter"/>. </returns>
protected internal override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
Tokenizer source = new StandardTokenizer(m_matchVersion, reader);
TokenStream result = new StandardFilter(m_matchVersion, source);
result = new LowerCaseFilter(m_matchVersion, result);
result = new StopFilter(m_matchVersion, result, m_stopwords);
if (stemExclusionSet.Count > 0)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
#pragma warning disable 612, 618
if (m_matchVersion.OnOrAfter(LuceneVersion.LUCENE_36))
#pragma warning restore 612, 618
{
result = new SpanishLightStemFilter(result);
}
else
{
result = new SnowballFilter(result, new SpanishStemmer());
}
return(new TokenStreamComponents(source, result));
}
/// <summary>
/// Creates
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// used to tokenize all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from a <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="LowerCaseFilter"/>, <seealso cref="StopFilter"/>
/// , <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided, <seealso cref="GermanNormalizationFilter"/> and <seealso cref="GermanLightStemFilter"/> </returns>
public override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
{
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stopwords);
result = new SetKeywordMarkerFilter(result, exclusionSet);
if (matchVersion.OnOrAfter(LuceneVersion.LUCENE_36))
{
result = new GermanNormalizationFilter(result);
result = new GermanLightStemFilter(result);
}
else if (matchVersion.OnOrAfter(LuceneVersion.LUCENE_31))
{
result = new SnowballFilter(result, new German2Stemmer());
}
else
{
result = new GermanStemFilter(result);
}
return(new TokenStreamComponents(source, result));
}
/// <summary>
/// Creates a
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// which tokenizes all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> A
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from an <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="IrishLowerCaseFilter"/>, <seealso cref="StopFilter"/>
/// , <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided and <seealso cref="SnowballFilter"/>. </returns>
protected internal override TokenStreamComponents createComponents(string fieldName, Reader reader)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, reader);
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
StopFilter s = new StopFilter(matchVersion, result, HYPHENATIONS);
if (!matchVersion.onOrAfter(Version.LUCENE_44))
{
s.EnablePositionIncrements = false;
}
result = s;
result = new ElisionFilter(result, DEFAULT_ARTICLES);
result = new IrishLowerCaseFilter(result);
result = new StopFilter(matchVersion, result, stopwords);
if (!stemExclusionSet.Empty)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
result = new SnowballFilter(result, new IrishStemmer());
return(new TokenStreamComponents(source, result));
}
/// <summary>
/// Returns a (possibly reused) <see cref="TokenStream"/> which tokenizes all the
/// text in the provided <see cref="TextReader"/>.
/// </summary>
/// <returns> A <see cref="TokenStream"/> built from a <see cref="StandardTokenizer"/>
/// filtered with <see cref="StandardFilter"/>, <see cref="LowerCaseFilter"/>,
/// <see cref="StopFilter"/>, <see cref="SetKeywordMarkerFilter"/> if a stem exclusion set is provided,
/// <see cref="StemmerOverrideFilter"/>, and <see cref="SnowballFilter"/> </returns>
protected internal override TokenStreamComponents CreateComponents(string fieldName, TextReader aReader)
{
#pragma warning disable 612, 618
if (matchVersion.OnOrAfter(LuceneVersion.LUCENE_31))
#pragma warning restore 612, 618
{
Tokenizer source = new StandardTokenizer(matchVersion, aReader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stoptable);
if (excltable.Count > 0)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
if (stemdict != null)
{
result = new StemmerOverrideFilter(result, stemdict);
}
result = new SnowballFilter(result, new Tartarus.Snowball.Ext.DutchStemmer());
return(new TokenStreamComponents(source, result));
}
else
{
Tokenizer source = new StandardTokenizer(matchVersion, aReader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new StopFilter(matchVersion, result, stoptable);
if (excltable.Count > 0)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
#pragma warning disable 612, 618
result = new DutchStemFilter(result, origStemdict);
#pragma warning restore 612, 618
return(new TokenStreamComponents(source, result));
}
}
/// <summary>
/// Returns a (possibly reused) <seealso cref="TokenStream"/> which tokenizes all the
/// text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> A <seealso cref="TokenStream"/> built from a <seealso cref="StandardTokenizer"/>
/// filtered with <seealso cref="StandardFilter"/>, <seealso cref="LowerCaseFilter"/>,
/// <seealso cref="StopFilter"/>, <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is provided,
/// <seealso cref="StemmerOverrideFilter"/>, and <seealso cref="SnowballFilter"/> </returns>
protected internal override TokenStreamComponents createComponents(string fieldName, Reader aReader)
{
if (matchVersion.onOrAfter(Version.LUCENE_31))
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, aReader);
Tokenizer source = new StandardTokenizer(matchVersion, aReader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stoptable);
if (!excltable.Empty)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
if (stemdict != null)
{
result = new StemmerOverrideFilter(result, stemdict);
}
result = new SnowballFilter(result, new org.tartarus.snowball.ext.DutchStemmer());
return(new TokenStreamComponents(source, result));
}
else
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, aReader);
Tokenizer source = new StandardTokenizer(matchVersion, aReader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new StopFilter(matchVersion, result, stoptable);
if (!excltable.Empty)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
result = new DutchStemFilter(result, origStemdict);
return(new TokenStreamComponents(source, result));
}
}
/// <summary>
/// Creates a
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// which tokenizes all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> A
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from an <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="ElisionFilter"/>, <seealso cref="LowerCaseFilter"/>,
/// <seealso cref="StopFilter"/>, <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided and <seealso cref="SnowballFilter"/>. </returns>
protected internal override TokenStreamComponents createComponents(string fieldName, Reader reader)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, reader);
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
if (matchVersion.onOrAfter(Version.LUCENE_36))
{
result = new ElisionFilter(result, DEFAULT_ARTICLES);
}
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stopwords);
if (!stemExclusionSet.Empty)
{
result = new SetKeywordMarkerFilter(result, stemExclusionSet);
}
result = new SnowballFilter(result, new CatalanStemmer());
return new TokenStreamComponents(source, result);
}
/// <summary>
/// Creates
/// <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// used to tokenize all the text in the provided <seealso cref="Reader"/>.
/// </summary>
/// <returns> <seealso cref="org.apache.lucene.analysis.Analyzer.TokenStreamComponents"/>
/// built from a <seealso cref="StandardTokenizer"/> filtered with
/// <seealso cref="StandardFilter"/>, <seealso cref="ElisionFilter"/>,
/// <seealso cref="LowerCaseFilter"/>, <seealso cref="StopFilter"/>,
/// <seealso cref="SetKeywordMarkerFilter"/> if a stem exclusion set is
/// provided, and <seealso cref="FrenchLightStemFilter"/> </returns>
protected internal override TokenStreamComponents createComponents(string fieldName, Reader reader)
{
if (matchVersion.onOrAfter(Version.LUCENE_31))
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, reader);
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new ElisionFilter(result, DEFAULT_ARTICLES);
result = new LowerCaseFilter(matchVersion, result);
result = new StopFilter(matchVersion, result, stopwords);
if (!excltable.Empty)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
if (matchVersion.onOrAfter(Version.LUCENE_36))
{
result = new FrenchLightStemFilter(result);
}
else
{
result = new SnowballFilter(result, new org.tartarus.snowball.ext.FrenchStemmer());
}
return new TokenStreamComponents(source, result);
}
else
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.Tokenizer source = new org.apache.lucene.analysis.standard.StandardTokenizer(matchVersion, reader);
Tokenizer source = new StandardTokenizer(matchVersion, reader);
TokenStream result = new StandardFilter(matchVersion, source);
result = new StopFilter(matchVersion, result, stopwords);
if (!excltable.Empty)
{
result = new SetKeywordMarkerFilter(result, excltable);
}
result = new FrenchStemFilter(result);
// Convert to lowercase after stemming!
return new TokenStreamComponents(source, new LowerCaseFilter(matchVersion, result));
}
}
