com.liferay.portal.search.lucene

Class LuceneQuerySuggester

java.lang.Object

com.liferay.portal.kernel.search.BaseQuerySuggester

com.liferay.portal.search.lucene.LuceneQuerySuggester

All Implemented Interfaces:

com.liferay.portal.kernel.search.QuerySuggester

public class LuceneQuerySuggester
extends com.liferay.portal.kernel.search.BaseQuerySuggester

Author:

Michael C. Han

Constructor Summary

Constructors

Constructor and Description
LuceneQuerySuggester()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addNGramTermQuery(org.apache.lucene.search.BooleanQuery booleanQuery, java.util.Map<java.lang.String,java.lang.String> nGrams, java.lang.Float boost, org.apache.lucene.search.BooleanClause.Occur occur)
protected void	addTermQuery(org.apache.lucene.search.BooleanQuery booleanQuery, java.lang.String termName, java.lang.String termValue, java.lang.Float boost, org.apache.lucene.search.BooleanClause.Occur occur)
protected org.apache.lucene.search.BooleanQuery	buildGroupIdQuery(long[] groupIds)
protected org.apache.lucene.search.BooleanQuery	buildNGramQuery(java.lang.String word, int maxNGramLength)
protected org.apache.lucene.search.BooleanQuery	buildSpellCheckQuery(long[] groupIds, java.lang.String word, java.lang.String languageId, java.lang.String typeFieldValue, int maxNGramLength)
protected java.lang.String[]	search(org.apache.lucene.search.IndexSearcher indexSearcher, org.apache.lucene.search.Query query, java.lang.String fieldName, RelevancyChecker relevancyChecker, int max)
void	setBoostEnd(float boostEnd)
void	setBoostStart(float boostStart)
void	setQuerySuggestionMaxNGramLength(int querySuggestionMaxNGramLength)
void	setStringDistance(org.apache.lucene.search.spell.StringDistance stringDistance)
void	setSuggestWordComparator(java.util.Comparator<org.apache.lucene.search.spell.SuggestWord> suggestWordComparator)
protected java.util.Map<java.lang.String,java.util.List<java.lang.String>>	spellCheckKeywords(java.util.List<java.lang.String> keywords, java.lang.String localizedFieldName, com.liferay.portal.kernel.search.SearchContext searchContext, java.lang.String languageId, int max)
java.util.Map<java.lang.String,java.util.List<java.lang.String>>	spellCheckKeywords(com.liferay.portal.kernel.search.SearchContext searchContext, int max)
java.lang.String[]	suggestKeywordQueries(com.liferay.portal.kernel.search.SearchContext searchContext, int max)

Methods inherited from class com.liferay.portal.kernel.search.BaseQuerySuggester

spellCheckKeywords

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneQuerySuggester

public LuceneQuerySuggester()

Method Detail

setBoostEnd

public void setBoostEnd(float boostEnd)

setBoostStart

public void setBoostStart(float boostStart)

setQuerySuggestionMaxNGramLength

public void setQuerySuggestionMaxNGramLength(int querySuggestionMaxNGramLength)

setStringDistance

public void setStringDistance(org.apache.lucene.search.spell.StringDistance stringDistance)

setSuggestWordComparator

public void setSuggestWordComparator(java.util.Comparator<org.apache.lucene.search.spell.SuggestWord> suggestWordComparator)

spellCheckKeywords

public java.util.Map<java.lang.String,java.util.List<java.lang.String>> spellCheckKeywords(com.liferay.portal.kernel.search.SearchContext searchContext,
                                                                                  int max)
                                                                                    throws com.liferay.portal.kernel.search.SearchException

Throws:

com.liferay.portal.kernel.search.SearchException

suggestKeywordQueries

public java.lang.String[] suggestKeywordQueries(com.liferay.portal.kernel.search.SearchContext searchContext,
                                       int max)
                                         throws com.liferay.portal.kernel.search.SearchException

Throws:

com.liferay.portal.kernel.search.SearchException

addNGramTermQuery

protected void addNGramTermQuery(org.apache.lucene.search.BooleanQuery booleanQuery,
                     java.util.Map<java.lang.String,java.lang.String> nGrams,
                     java.lang.Float boost,
                     org.apache.lucene.search.BooleanClause.Occur occur)

addTermQuery

protected void addTermQuery(org.apache.lucene.search.BooleanQuery booleanQuery,
                java.lang.String termName,
                java.lang.String termValue,
                java.lang.Float boost,
                org.apache.lucene.search.BooleanClause.Occur occur)

buildGroupIdQuery

protected org.apache.lucene.search.BooleanQuery buildGroupIdQuery(long[] groupIds)

buildNGramQuery

protected org.apache.lucene.search.BooleanQuery buildNGramQuery(java.lang.String word,
                                                    int maxNGramLength)
                                                         throws com.liferay.portal.kernel.search.SearchException

Throws:

com.liferay.portal.kernel.search.SearchException

buildSpellCheckQuery

protected org.apache.lucene.search.BooleanQuery buildSpellCheckQuery(long[] groupIds,
                                                         java.lang.String word,
                                                         java.lang.String languageId,
                                                         java.lang.String typeFieldValue,
                                                         int maxNGramLength)
                                                              throws com.liferay.portal.kernel.search.SearchException

Throws:

com.liferay.portal.kernel.search.SearchException

search

protected java.lang.String[] search(org.apache.lucene.search.IndexSearcher indexSearcher,
                        org.apache.lucene.search.Query query,
                        java.lang.String fieldName,
                        RelevancyChecker relevancyChecker,
                        int max)
                             throws java.io.IOException

Throws:

java.io.IOException

spellCheckKeywords

protected java.util.Map<java.lang.String,java.util.List<java.lang.String>> spellCheckKeywords(java.util.List<java.lang.String> keywords,
                                                                                  java.lang.String localizedFieldName,
                                                                                  com.liferay.portal.kernel.search.SearchContext searchContext,
                                                                                  java.lang.String languageId,
                                                                                  int max)
                                                                                       throws com.liferay.portal.kernel.search.SearchException

Throws:

com.liferay.portal.kernel.search.SearchException