Package org.hibernate.search.backend.lucene.search.predicate.impl

Class LuceneKnnPredicate<T>

java.lang.Object

org.hibernate.search.backend.lucene.search.predicate.impl.AbstractLuceneSearchPredicate

org.hibernate.search.backend.lucene.search.predicate.impl.AbstractLuceneSingleFieldPredicate

org.hibernate.search.backend.lucene.search.predicate.impl.LuceneKnnPredicate<T>

All Implemented Interfaces:

LuceneSearchPredicate, SearchPredicate

public abstract class LuceneKnnPredicate<T>
extends AbstractLuceneSingleFieldPredicate
implements LuceneSearchPredicate

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LuceneKnnPredicate.ByteFactory
static class	LuceneKnnPredicate.FloatFactory

Nested classes/interfaces inherited from class org.hibernate.search.backend.lucene.search.predicate.impl.AbstractLuceneSingleFieldPredicate

AbstractLuceneSingleFieldPredicate.AbstractBuilder

Field Summary

Fields

Modifier and Type	Field	Description
protected final int	k
protected final Float	requiredMinimumScore
protected final T	vector

Fields inherited from class org.hibernate.search.backend.lucene.search.predicate.impl.AbstractLuceneSingleFieldPredicate

absoluteFieldPath

Fields inherited from class org.hibernate.search.backend.lucene.search.predicate.impl.AbstractLuceneSearchPredicate

indexNames

Method Summary

Modifier and Type	Method	Description
void	checkNestableWithin(String expectedParentNestedPath)
protected org.apache.lucene.search.Query	prepareFilter(PredicateRequestContext context)
final org.apache.lucene.search.Query	toQuery(PredicateRequestContext context)

Methods inherited from class org.hibernate.search.backend.lucene.search.predicate.impl.AbstractLuceneSingleFieldPredicate

getFieldPathsForErrorMessage, getNestedPathHierarchy

Methods inherited from class org.hibernate.search.backend.lucene.search.predicate.impl.AbstractLuceneSearchPredicate

doToQuery, hasNoModifiers, indexNames

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.search.backend.lucene.search.predicate.impl.LuceneSearchPredicate

checkNestableWithin, indexNames, toQuery

Field Details

k

protected final int k

vector

protected final T vector

requiredMinimumScore

protected final Float requiredMinimumScore

Method Details

prepareFilter

protected org.apache.lucene.search.Query prepareFilter(PredicateRequestContext context)

checkNestableWithin

public void checkNestableWithin(String expectedParentNestedPath)

toQuery

public final org.apache.lucene.search.Query toQuery(PredicateRequestContext context)

Specified by:

toQuery in interface LuceneSearchPredicate

Overrides:

toQuery in class AbstractLuceneSearchPredicate