Package com.querydsl.jpa.impl

Class JPAQuery<T>

java.lang.Object

com.querydsl.core.support.QueryBase<Q>

com.querydsl.core.support.FetchableQueryBase<T,Q>

com.querydsl.core.support.FetchableSubQueryBase<T,Q>

com.querydsl.jpa.JPAQueryBase<T,Q>

com.querydsl.jpa.impl.AbstractJPAQuery<T,JPAQuery<T>>

com.querydsl.jpa.impl.JPAQuery<T>

Type Parameters:

T - result type

All Implemented Interfaces:

Fetchable<T>, FetchableQuery<T,JPQLQuery<T>>, FilteredClause<JPQLQuery<T>>, Query<JPQLQuery<T>>, SimpleQuery<JPQLQuery<T>>, ExtendedSubQuery<T>, Expression<T>, SubQueryExpression<T>, JPQLQuery<T>, Serializable

public class JPAQuery<T>
extends AbstractJPAQuery<T,JPAQuery<T>>

JPAQuery is the default implementation of the JPQLQuery interface for JPA

Author:

tiwe

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.querydsl.jpa.impl.AbstractJPAQuery

entityManager, flushMode, hints, lockMode, projection, queryHandler

Fields inherited from class com.querydsl.jpa.JPAQueryBase

queryMixin

Fields inherited from class com.querydsl.core.support.QueryBase

MDC_PARAMETERS, MDC_QUERY

Constructor Summary

Constructors

Constructor	Description
JPAQuery()	Creates a new detached query The query can be attached via the clone method
JPAQuery(javax.persistence.EntityManager em)	Creates a new EntityManager bound query
JPAQuery(javax.persistence.EntityManager em, QueryMetadata metadata)	Creates a new EntityManager bound query
JPAQuery(javax.persistence.EntityManager em, JPQLTemplates templates)	Creates a new query
JPAQuery(javax.persistence.EntityManager em, JPQLTemplates templates, QueryMetadata metadata)	Creates a new query

Method Summary

Modifier and Type	Method	Description
JPAQuery<T>	clone(javax.persistence.EntityManager entityManager)	Clone the state of this query to a new instance with the given EntityManager
JPAQuery<T>	clone(javax.persistence.EntityManager entityManager, JPQLTemplates templates)	Clone the state of this query to a new instance with the given EntityManager and the specified templates
JPAQuery<Tuple>	select(Expression<?>... exprs)
<U> JPAQuery<U>	select(Expression<U> expr)

Methods inherited from class com.querydsl.jpa.impl.AbstractJPAQuery

clone, clone, createQuery, createQuery, createSerializer, fetch, fetchCount, fetchOne, fetchResults, iterate, logQuery, reset, setFlushMode, setHint, setLockMode, stream

Methods inherited from class com.querydsl.jpa.JPAQueryBase

fetchAll, fetchJoin, from, from, from, getTemplates, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, join, join, join, join, join, join, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, on, on, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, serialize, serialize, toString

Methods inherited from class com.querydsl.core.support.FetchableSubQueryBase

accept, contains, contains, eq, eq, exists, getMetadata, getType, goe, goe, gt, gt, hashCode, in, in, isNotNull, isNull, loe, loe, lt, lt, ne, ne, notExists

Methods inherited from class com.querydsl.core.support.FetchableQueryBase

equals, fetchFirst, transform, uniqueResult

Methods inherited from class com.querydsl.core.support.QueryBase

distinct, groupBy, groupBy, having, having, limit, offset, orderBy, orderBy, restrict, set, where, where

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.querydsl.core.types.Expression

accept, getType

Methods inherited from interface com.querydsl.core.support.ExtendedSubQuery

contains, contains, eq, eq, exists, goe, goe, gt, gt, in, in, isNotNull, isNull, loe, loe, lt, lt, ne, ne, notExists

Methods inherited from interface com.querydsl.core.Fetchable

fetchFirst

Methods inherited from interface com.querydsl.core.FetchableQuery

transform

Methods inherited from interface com.querydsl.core.FilteredClause

where

Methods inherited from interface com.querydsl.core.Query

groupBy, having

Methods inherited from interface com.querydsl.core.SimpleQuery

distinct, limit, offset, orderBy, restrict, set

Methods inherited from interface com.querydsl.core.types.SubQueryExpression

getMetadata

Constructor Details

JPAQuery

public JPAQuery()

Creates a new detached query The query can be attached via the clone method

JPAQuery

public JPAQuery(javax.persistence.EntityManager em)

Creates a new EntityManager bound query

Parameters:

em - entity manager

JPAQuery

public JPAQuery(javax.persistence.EntityManager em,
 QueryMetadata metadata)

Creates a new EntityManager bound query

Parameters:

em - entity manager

metadata - query metadata

JPAQuery

public JPAQuery(javax.persistence.EntityManager em,
 JPQLTemplates templates)

Creates a new query

Parameters:

em - entity manager

templates - templates

JPAQuery

public JPAQuery(javax.persistence.EntityManager em,
 JPQLTemplates templates,
 QueryMetadata metadata)

Creates a new query

Parameters:

em - entity manager

templates - templates

metadata - query metadata

Method Details

clone

public JPAQuery<T> clone(javax.persistence.EntityManager entityManager,
 JPQLTemplates templates)

Description copied from class: AbstractJPAQuery

Clone the state of this query to a new instance with the given EntityManager and the specified templates

Specified by:

clone in class AbstractJPAQuery<T,JPAQuery<T>>

Parameters:

entityManager - entity manager

templates - templates

Returns:

cloned query

clone

public JPAQuery<T> clone(javax.persistence.EntityManager entityManager)

Description copied from class: AbstractJPAQuery

Clone the state of this query to a new instance with the given EntityManager

Specified by:

clone in class AbstractJPAQuery<T,JPAQuery<T>>

Parameters:

entityManager - entity manager

Returns:

cloned query

select

public <U> JPAQuery<U> select(Expression<U> expr)

select

public JPAQuery<Tuple> select(Expression<?>... exprs)