Package org.springframework.data.jpa.repository.query

Class JpaCountQueryCreator

java.lang.Object

org.springframework.data.repository.query.parser.AbstractQueryCreator<jakarta.persistence.criteria.CriteriaQuery<? extends Object>,jakarta.persistence.criteria.Predicate>

org.springframework.data.jpa.repository.query.JpaQueryCreator

org.springframework.data.jpa.repository.query.JpaCountQueryCreator

public class JpaCountQueryCreator
extends JpaQueryCreator

Special JpaQueryCreator that creates a count projecting query.

Author:

Oliver Gierke, Marc Lefrançois, Mark Paluch, Greg Turnquist

Constructor Summary

Constructors

Constructor	Description
JpaCountQueryCreator(PartTree tree, ReturnedType type, jakarta.persistence.criteria.CriteriaBuilder builder, org.springframework.data.jpa.repository.query.ParameterMetadataProvider provider)	Creates a new JpaCountQueryCreator.

Method Summary

Modifier and Type	Method	Description
protected jakarta.persistence.criteria.CriteriaQuery<? extends Object>	complete(jakarta.persistence.criteria.Predicate predicate, Sort sort, jakarta.persistence.criteria.CriteriaQuery<? extends Object> query, jakarta.persistence.criteria.CriteriaBuilder builder, jakarta.persistence.criteria.Root<?> root)	Template method to finalize the given Predicate using the given CriteriaQuery and CriteriaBuilder.
protected jakarta.persistence.criteria.CriteriaQuery<? extends Object>	createCriteriaQuery(jakarta.persistence.criteria.CriteriaBuilder builder, ReturnedType type)	Creates the CriteriaQuery to apply predicates on.

Methods inherited from class org.springframework.data.jpa.repository.query.JpaQueryCreator

and, complete, create, getParameterExpressions, or

Methods inherited from class org.springframework.data.repository.query.parser.AbstractQueryCreator

createQuery, createQuery

Methods inherited from class java.lang.Object

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

Constructor Details

JpaCountQueryCreator

public JpaCountQueryCreator(PartTree tree,
 ReturnedType type,
 jakarta.persistence.criteria.CriteriaBuilder builder,
 org.springframework.data.jpa.repository.query.ParameterMetadataProvider provider)

Creates a new JpaCountQueryCreator.

Parameters:

tree -

type -

builder -

provider -

Method Details

createCriteriaQuery

protected jakarta.persistence.criteria.CriteriaQuery<? extends Object> createCriteriaQuery(jakarta.persistence.criteria.CriteriaBuilder builder,
 ReturnedType type)

Description copied from class: JpaQueryCreator

Creates the CriteriaQuery to apply predicates on.

Overrides:

createCriteriaQuery in class JpaQueryCreator

Parameters:

builder - will never be null.

type - will never be null.

Returns:

must not be null.

complete

protected jakarta.persistence.criteria.CriteriaQuery<? extends Object> complete(@Nullable
 jakarta.persistence.criteria.Predicate predicate,
 Sort sort,
 jakarta.persistence.criteria.CriteriaQuery<? extends Object> query,
 jakarta.persistence.criteria.CriteriaBuilder builder,
 jakarta.persistence.criteria.Root<?> root)

Description copied from class: JpaQueryCreator

Template method to finalize the given Predicate using the given CriteriaQuery and CriteriaBuilder.

Overrides:

complete in class JpaQueryCreator

Returns: