cat.lump.ir.lucene.engine

Class AnalyzerFactory

java.lang.Object

cat.lump.ir.lucene.engine.AnalyzerFactory

public class AnalyzerFactory
extends java.lang.Object

Factory that allows for getting a Lucene Analyzer with all the preprocess needed TODO This is duplicated with textextraction, maybe we should unify

Since:

June 18, 2015

Author:

cristina

See Also:

org.apache.lucene.analysis

Field Summary

Fields

Modifier and Type	Field and Description
protected static Analyzer	analyzer

Constructor Summary

Constructors

Constructor and Description
AnalyzerFactory()

Method Summary

Methods

Modifier and Type	Method and Description
static Analyzer	loadAnalyzer(java.util.Locale language) Analyser from Lucene for different languages.
static TokenStream	loadStemFilter(java.util.Locale lng, Analyzer an, java.lang.String str) Stemmer from Lucene for different languages.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

analyzer

protected static Analyzer analyzer

Constructor Detail

AnalyzerFactory

public AnalyzerFactory()

Method Detail

loadAnalyzer

public static Analyzer loadAnalyzer(java.util.Locale language)

Analyser from Lucene for different languages. TODO: This code is duplicated with cat.lump.ir.lucene.query.LuceneTokenizer

Parameters:

language -

Returns:

The Lucene analyser for the required language; error if not available.

loadStemFilter

public static TokenStream loadStemFilter(java.util.Locale lng,
                         Analyzer an,
                         java.lang.String str)

Stemmer from Lucene for different languages. For those languages where Lucene uses Snowball there is no need to go further the TokenStream initialisation.

Parameters:

language -

Returns:

The Lucene stemmer for the required language; error if not available.