org.alfresco.repo.search.impl.lucene

Class LuceneAnalyser

java.lang.Object

org.apache.lucene.analysis.Analyzer

org.alfresco.repo.search.impl.lucene.AbstractAnalyzer

org.alfresco.repo.search.impl.lucene.LuceneAnalyser

public class LuceneAnalyser
extends AbstractAnalyzer

Analyse properties according to the property definition. The default is to use the standard tokeniser. The tokeniser should not have been called when indexing properties that require no tokenisation. (tokenise should be set to false when adding the field to the document)

Constructor Summary

Constructors

Constructor and Description
LuceneAnalyser(DictionaryService dictionaryService, MLAnalysisMode mlAlaysisMode) Constructs with a default standard analyser

Method Summary

Methods

Modifier and Type	Method and Description
int	getPositionIncrementGap(java.lang.String fieldName) For multilingual fields we separate the tokens for each instance to break phrase queries spanning different languages etc.
org.apache.lucene.analysis.TokenStream	tokenStream(java.lang.String fieldName, java.io.Reader reader)
org.apache.lucene.analysis.TokenStream	tokenStream(java.lang.String fieldName, java.io.Reader reader, AnalysisMode analysisMode)

Methods inherited from class org.apache.lucene.analysis.Analyzer

close, getPreviousTokenStream, reusableTokenStream, setPreviousTokenStream

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneAnalyser

public LuceneAnalyser(DictionaryService dictionaryService,
              MLAnalysisMode mlAlaysisMode)

Constructs with a default standard analyser

Parameters:

defaultAnalyzer - Any fields not specifically defined to use a different analyzer will use the one provided here.

Method Detail

tokenStream

public org.apache.lucene.analysis.TokenStream tokenStream(java.lang.String fieldName,
                                                 java.io.Reader reader,
                                                 AnalysisMode analysisMode)

Specified by:

tokenStream in class AbstractAnalyzer

tokenStream

public org.apache.lucene.analysis.TokenStream tokenStream(java.lang.String fieldName,
                                                 java.io.Reader reader)

Specified by:

tokenStream in class org.apache.lucene.analysis.Analyzer

getPositionIncrementGap

public int getPositionIncrementGap(java.lang.String fieldName)

For multilingual fields we separate the tokens for each instance to break phrase queries spanning different languages etc.

Overrides:

getPositionIncrementGap in class org.apache.lucene.analysis.Analyzer