Class SnowballPorterFilterFactory

Factory for SnowballFilter, with configurable language

Note: Use of the "Lovins" stemmer is not recommended, as it is implemented with reflection.

<fieldType name="text_snowballstem" class="solr.TextField" positionIncrementGap="100">
  <analyzer>
    <tokenizer class="solr.StandardTokenizerFactory"/>
    <filter class="solr.LowerCaseFilterFactory"/>
    <filter class="solr.SnowballPorterFilterFactory" protected="protectedkeyword.txt" language="English"/>
  </analyzer>
</fieldType>

Inheritance

object

AbstractAnalysisFactory

TokenFilterFactory

SnowballPorterFilterFactory

Implements

IResourceLoaderAware

Inherited Members

TokenFilterFactory.ForName(string, IDictionary<string, string>)

TokenFilterFactory.LookupClass(string)

TokenFilterFactory.AvailableTokenFilters

TokenFilterFactory.ReloadTokenFilters()

AbstractAnalysisFactory.LUCENE_MATCH_VERSION_PARAM

AbstractAnalysisFactory.m_luceneMatchVersion

AbstractAnalysisFactory.OriginalArgs

AbstractAnalysisFactory.AssureMatchVersion()

AbstractAnalysisFactory.LuceneMatchVersion

AbstractAnalysisFactory.Require(IDictionary<string, string>, string)

AbstractAnalysisFactory.Require(IDictionary<string, string>, string, ICollection<string>)

AbstractAnalysisFactory.Require(IDictionary<string, string>, string, ICollection<string>, bool)

AbstractAnalysisFactory.Get(IDictionary<string, string>, string, string)

AbstractAnalysisFactory.Get(IDictionary<string, string>, string, ICollection<string>)

AbstractAnalysisFactory.Get(IDictionary<string, string>, string, ICollection<string>, string)

AbstractAnalysisFactory.Get(IDictionary<string, string>, string, ICollection<string>, string, bool)

AbstractAnalysisFactory.RequireInt32(IDictionary<string, string>, string)

AbstractAnalysisFactory.GetInt32(IDictionary<string, string>, string, int)

AbstractAnalysisFactory.RequireBoolean(IDictionary<string, string>, string)

AbstractAnalysisFactory.GetBoolean(IDictionary<string, string>, string, bool)

AbstractAnalysisFactory.RequireSingle(IDictionary<string, string>, string)

AbstractAnalysisFactory.GetSingle(IDictionary<string, string>, string, float)

AbstractAnalysisFactory.RequireChar(IDictionary<string, string>, string)

AbstractAnalysisFactory.GetChar(IDictionary<string, string>, string, char)

AbstractAnalysisFactory.GetSet(IDictionary<string, string>, string)

AbstractAnalysisFactory.GetPattern(IDictionary<string, string>, string)

AbstractAnalysisFactory.GetCulture(IDictionary<string, string>, string, CultureInfo)

AbstractAnalysisFactory.GetWordSet(IResourceLoader, string, bool)

AbstractAnalysisFactory.GetLines(IResourceLoader, string)

AbstractAnalysisFactory.GetSnowballWordSet(IResourceLoader, string, bool)

AbstractAnalysisFactory.SplitFileNames(string)

AbstractAnalysisFactory.GetClassArg()

AbstractAnalysisFactory.IsExplicitLuceneMatchVersion

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Lucene.Net.Analysis.Snowball

Assembly: Lucene.Net.Analysis.Common.dll

Syntax

public class SnowballPorterFilterFactory : TokenFilterFactory, IResourceLoaderAware

Constructors

SnowballPorterFilterFactory(IDictionary<string, string>)

Creates a new SnowballPorterFilterFactory

Declaration

public SnowballPorterFilterFactory(IDictionary<string, string> args)

Parameters

Type	Name	Description
IDictionary<string, string>	args

Fields

PROTECTED_TOKENS

Factory for SnowballFilter, with configurable language

Note: Use of the "Lovins" stemmer is not recommended, as it is implemented with reflection.

<fieldType name="text_snowballstem" class="solr.TextField" positionIncrementGap="100">
  <analyzer>
    <tokenizer class="solr.StandardTokenizerFactory"/>
    <filter class="solr.LowerCaseFilterFactory"/>
    <filter class="solr.SnowballPorterFilterFactory" protected="protectedkeyword.txt" language="English"/>
  </analyzer>
</fieldType>

Declaration

public const string PROTECTED_TOKENS = "protected"

Field Value

Type	Description
string

Methods

Create(TokenStream)

Transform the specified input Lucene.Net.Analysis.TokenStream

Declaration

public override TokenStream Create(TokenStream input)

Parameters

Type	Name	Description
TokenStream	input

Returns

Type	Description
TokenStream

Overrides

TokenFilterFactory.Create(TokenStream)

Inform(IResourceLoader)

Initializes this component with the provided IResourceLoader (used for loading types, embedded resources, files, etc).

Declaration

public virtual void Inform(IResourceLoader loader)

Parameters

Type	Name	Description
IResourceLoader	loader

Implements

IResourceLoaderAware