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, Mark Paluch, Christoph Strobl, Marcus Voltolim, Donghun Shin

  • Constructor Details

    • Querydsl

      public Querydsl(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 Details

    • 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.

    • getTemplates

      public com.querydsl.jpa.JPQLTemplates getTemplates()
      Obtains the JPQLTemplates for the configured EntityManager. Can return null to use the default templates.
      Returns:
      the JPQLTemplates for the configured EntityManager, JPQLTemplates.DEFAULT by default.
      Since:
      3.5

    • 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.
      Parameters:
      paths - must not be null.

    • 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 - must not be null.
      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 - must not be null.
      query - must not be null.
      Returns:
      the Querydsl JPQLQuery