org.springframework.data.jpa.repository.support

Class Querydsl

java.lang.Object

org.springframework.data.jpa.repository.support.Querydsl

public class Querydsl
extends Object

Helper instance to ease access to Querydsl JPA query API.

Author:

Oliver Gierke, Thomas Darimont

Constructor Summary

Constructors

Constructor and Description
Querydsl(javax.persistence.EntityManager em, com.querydsl.core.types.dsl.PathBuilder<?> builder) Creates a new Querydsl for the given EntityManager and PathBuilder.

Method Summary

Modifier and Type	Method and Description
<T> com.querydsl.jpa.JPQLQuery<T>	applyPagination(Pageable pageable, com.querydsl.jpa.JPQLQuery<T> query) Applies the given Pageable to the given JPQLQuery.
<T> com.querydsl.jpa.JPQLQuery<T>	applySorting(Sort sort, com.querydsl.jpa.JPQLQuery<T> query) Applies sorting to the given JPQLQuery.
<T> com.querydsl.jpa.impl.AbstractJPAQuery<T,com.querydsl.jpa.impl.JPAQuery<T>>	createQuery() Creates the JPQLQuery instance based on the configured EntityManager.
com.querydsl.jpa.impl.AbstractJPAQuery<Object,com.querydsl.jpa.impl.JPAQuery<Object>>	createQuery(com.querydsl.core.types.EntityPath<?>... paths) Creates the JPQLQuery instance based on the configured EntityManager.

Methods inherited from class java.lang.Object

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

Constructor Detail

Querydsl

public Querydsl(javax.persistence.EntityManager em,
                com.querydsl.core.types.dsl.PathBuilder<?> builder)

Creates a new Querydsl for the given EntityManager and PathBuilder.

Parameters:

em - must not be null.

builder - must not be null.

Method Detail

createQuery

public <T> com.querydsl.jpa.impl.AbstractJPAQuery<T,com.querydsl.jpa.impl.JPAQuery<T>> createQuery()

Creates the JPQLQuery instance based on the configured EntityManager.

Returns:

createQuery

public com.querydsl.jpa.impl.AbstractJPAQuery<Object,com.querydsl.jpa.impl.JPAQuery<Object>> createQuery(com.querydsl.core.types.EntityPath<?>... paths)

Creates the JPQLQuery instance based on the configured EntityManager.

Returns:

applyPagination

public <T> com.querydsl.jpa.JPQLQuery<T> applyPagination(Pageable pageable,
                                                         com.querydsl.jpa.JPQLQuery<T> query)

Applies the given Pageable to the given JPQLQuery.

Parameters:

pageable -

query - must not be null.

Returns:

the Querydsl JPQLQuery.

applySorting

public <T> com.querydsl.jpa.JPQLQuery<T> applySorting(Sort sort,
                                                      com.querydsl.jpa.JPQLQuery<T> query)

Applies sorting to the given JPQLQuery.

Parameters:

sort -

query - must not be null.

Returns:

the Querydsl JPQLQuery