Package org.apache.solr.ltr.search

Class LTRQuery

java.lang.Object

org.apache.lucene.search.Query

org.apache.solr.search.ExtendedQueryBase

org.apache.solr.search.RankQuery

org.apache.solr.search.AbstractReRankQuery

org.apache.solr.ltr.search.LTRQuery

All Implemented Interfaces:

ExtendedQuery

Direct Known Subclasses:

LTRInterleavingQuery

public class LTRQuery
extends AbstractReRankQuery

A learning to rank Query, will incapsulate a learning to rank model, and delegate to it the rescoring of the documents.

Field Summary

Fields inherited from class org.apache.solr.search.AbstractReRankQuery

boostedPriority, mainQuery, reRankDocs, reRankOperator, reRankQueryRescorer, reRankScaler

Constructor Summary

Constructors

Modifier	Constructor	Description
	LTRQuery(LTRScoringQuery scoringQuery, int reRankDocs)
protected	LTRQuery(LTRScoringQuery scoringQuery, int reRankDocs, LTRRescorer rescorer)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
protected org.apache.lucene.search.Query	rewrite(org.apache.lucene.search.Query rewrittenMainQuery)
String	toString(String field)
RankQuery	wrap(org.apache.lucene.search.Query _mainQuery)

Methods inherited from class org.apache.solr.search.AbstractReRankQuery

createWeight, getMergeStrategy, getTopDocsCollector, rewrite, visit

Methods inherited from class org.apache.solr.search.ExtendedQueryBase

getCache, getCost, getOptions, getOptionsString, setCache, setCost

Methods inherited from class org.apache.lucene.search.Query

classHash, sameClassAs, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.solr.search.ExtendedQuery

getCostAppliedQuery

Constructor Details

LTRQuery

public LTRQuery(LTRScoringQuery scoringQuery,
 int reRankDocs)

LTRQuery

protected LTRQuery(LTRScoringQuery scoringQuery,
 int reRankDocs,
 LTRRescorer rescorer)

Method Details

hashCode

public int hashCode()

Specified by:

hashCode in class org.apache.lucene.search.Query

equals

public boolean equals(Object o)

Specified by:

equals in class org.apache.lucene.search.Query

wrap

public RankQuery wrap(org.apache.lucene.search.Query _mainQuery)

Overrides:

wrap in class AbstractReRankQuery

toString

public String toString(String field)

Overrides:

toString in class ExtendedQueryBase

rewrite

protected org.apache.lucene.search.Query rewrite(org.apache.lucene.search.Query rewrittenMainQuery)
                                          throws IOException

Specified by:

rewrite in class AbstractReRankQuery

Throws:

IOException