Package org.apache.solr.handler

Class MoreLikeThisHandler.MoreLikeThisHelper

java.lang.Object

org.apache.solr.handler.MoreLikeThisHandler.MoreLikeThisHelper

Enclosing class:

MoreLikeThisHandler

@NotThreadSafe
public static class MoreLikeThisHandler.MoreLikeThisHelper
extends Object

Helper class for MoreLikeThis that can be called from other request handlers

Constructor Summary

Constructors

Constructor	Description
MoreLikeThisHelper(org.apache.solr.common.params.SolrParams params, SolrIndexSearcher searcher)

Method Summary

Modifier and Type	Method	Description
org.apache.lucene.search.BooleanQuery	getBoostedMLTQuery()
org.apache.lucene.search.BooleanQuery	getBoostedMLTQuery(int docNum)	Sets boostedMLTQuery and returns it
List<MoreLikeThisHandler.InterestingTerm>	getInterestingTerms(org.apache.lucene.search.BooleanQuery boostedMLTQuery, int maxTerms)	Yields terms with boosts from the boosted MLT query.
org.apache.lucene.queries.mlt.MoreLikeThis	getMoreLikeThis()
DocListAndSet	getMoreLikeThis(int id, int start, int rows, List<org.apache.lucene.search.Query> filters, int flags)
DocListAndSet	getMoreLikeThis(Reader reader, int start, int rows, List<org.apache.lucene.search.Query> filters, int flags)
org.apache.lucene.search.Query	getRawMLTQuery()
org.apache.lucene.search.Query	getRealMLTQuery()

Methods inherited from class java.lang.Object

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

Constructor Detail

MoreLikeThisHelper

public MoreLikeThisHelper(org.apache.solr.common.params.SolrParams params,
                          SolrIndexSearcher searcher)
                   throws IOException

Throws:

IOException

Method Detail

getRawMLTQuery

public org.apache.lucene.search.Query getRawMLTQuery()

getBoostedMLTQuery

public org.apache.lucene.search.BooleanQuery getBoostedMLTQuery()

getRealMLTQuery

public org.apache.lucene.search.Query getRealMLTQuery()

getMoreLikeThis

public DocListAndSet getMoreLikeThis(int id,
                                     int start,
                                     int rows,
                                     List<org.apache.lucene.search.Query> filters,
                                     int flags)
                              throws IOException

Throws:

IOException

getBoostedMLTQuery

public org.apache.lucene.search.BooleanQuery getBoostedMLTQuery(int docNum)
                                                         throws IOException

Sets boostedMLTQuery and returns it

Throws:

IOException

getMoreLikeThis

public DocListAndSet getMoreLikeThis(Reader reader,
                                     int start,
                                     int rows,
                                     List<org.apache.lucene.search.Query> filters,
                                     int flags)
                              throws IOException

Throws:

IOException

getInterestingTerms

public List<MoreLikeThisHandler.InterestingTerm> getInterestingTerms(org.apache.lucene.search.BooleanQuery boostedMLTQuery,
                                                                     int maxTerms)

Yields terms with boosts from the boosted MLT query.

Parameters:

maxTerms - how many terms to return, a negative value means all terms are returned

getMoreLikeThis

public org.apache.lucene.queries.mlt.MoreLikeThis getMoreLikeThis()