org.springframework.data.jpa.repository.query

Class JpaCountQueryCreator

java.lang.Object

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
protected javax.persistence.criteria.CriteriaQuery<? extends Object>	complete(javax.persistence.criteria.Predicate predicate, org.springframework.data.domain.Sort sort, javax.persistence.criteria.CriteriaQuery<? extends Object> query, javax.persistence.criteria.CriteriaBuilder builder, javax.persistence.criteria.Root<?> root) Template method to finalize the given Predicate using the given CriteriaQuery and CriteriaBuilder.
protected javax.persistence.criteria.CriteriaQuery<? extends Object>	createCriteriaQuery(javax.persistence.criteria.CriteriaBuilder builder, org.springframework.data.repository.query.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 Detail

JpaCountQueryCreator

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

Creates a new JpaCountQueryCreator.

Parameters:

tree -

domainClass -

parameters -

em -

Method Detail

createCriteriaQuery

protected javax.persistence.criteria.CriteriaQuery<? extends Object> createCriteriaQuery(javax.persistence.criteria.CriteriaBuilder builder,
                                                                                         org.springframework.data.repository.query.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 javax.persistence.criteria.CriteriaQuery<? extends Object> complete(javax.persistence.criteria.Predicate predicate,
                                                                              org.springframework.data.domain.Sort sort,
                                                                              javax.persistence.criteria.CriteriaQuery<? extends Object> query,
                                                                              javax.persistence.criteria.CriteriaBuilder builder,
                                                                              javax.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: