org.springframework.data.jpa.repository.support

Class QueryDslRepositorySupport

java.lang.Object

org.springframework.data.jpa.repository.support.QueryDslRepositorySupport

@Repository
public abstract class QueryDslRepositorySupport
extends Object

Base class for implementing repositories using QueryDsl library.

Author:

Oliver Gierke

Constructor Summary

Constructors

Constructor and Description
QueryDslRepositorySupport(Class<?> domainClass) Creates a new QueryDslRepositorySupport instance for the given domain type.

Method Summary

Methods

Modifier and Type	Method and Description
protected com.mysema.query.dml.DeleteClause<com.mysema.query.jpa.impl.JPADeleteClause>	delete(com.mysema.query.types.EntityPath<?> path) Returns a fresh DeleteClause.
protected com.mysema.query.jpa.JPQLQuery	from(com.mysema.query.types.EntityPath<?>... paths) Returns a fresh JPQLQuery.
protected <T> com.mysema.query.types.path.PathBuilder<T>	getBuilder() Returns a PathBuilder for the configured domain type.
protected javax.persistence.EntityManager	getEntityManager() Returns the EntityManager.
protected Querydsl	getQuerydsl() Returns the underlying Querydsl helper instance.
void	setEntityManager(javax.persistence.EntityManager entityManager) Setter to inject EntityManager.
protected com.mysema.query.dml.UpdateClause<com.mysema.query.jpa.impl.JPAUpdateClause>	update(com.mysema.query.types.EntityPath<?> path) Returns a fresh UpdateClause.
void	validate() Callback to verify configuration.

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryDslRepositorySupport

public QueryDslRepositorySupport(Class<?> domainClass)

Creates a new QueryDslRepositorySupport instance for the given domain type.

Parameters:

domainClass - must not be null.

Method Detail

setEntityManager

public void setEntityManager(javax.persistence.EntityManager entityManager)

Setter to inject EntityManager.

Parameters:

entityManager - must not be null

validate

@PostConstruct
public void validate()

Callback to verify configuration. Used by containers.

getEntityManager

protected javax.persistence.EntityManager getEntityManager()

Returns the EntityManager.

Returns:

the entityManager

from

protected com.mysema.query.jpa.JPQLQuery from(com.mysema.query.types.EntityPath<?>... paths)

Returns a fresh JPQLQuery.

Returns:

the Querydsl JPQLQuery.

delete

protected com.mysema.query.dml.DeleteClause<com.mysema.query.jpa.impl.JPADeleteClause> delete(com.mysema.query.types.EntityPath<?> path)

Returns a fresh DeleteClause.

Parameters:

path -

Returns:

the Querydsl DeleteClause.

update

protected com.mysema.query.dml.UpdateClause<com.mysema.query.jpa.impl.JPAUpdateClause> update(com.mysema.query.types.EntityPath<?> path)

Returns a fresh UpdateClause.

Parameters:

path -

Returns:

the Querydsl UpdateClause.

getBuilder

protected <T> com.mysema.query.types.path.PathBuilder<T> getBuilder()

Returns a PathBuilder for the configured domain type.

Type Parameters:

T -

Returns:

the Querdsl PathBuilder.

getQuerydsl

protected Querydsl getQuerydsl()

Returns the underlying Querydsl helper instance.

Returns: