com.holonplatform.datastore.jpa.querydsl

Interface JpaQuery<T>

Type Parameters:

T - Query result type

All Superinterfaces:

com.holonplatform.core.datastore.DataTarget.DataTargetSupport<JpaQuery<T>>, com.querydsl.core.types.Expression<T>, com.holonplatform.core.ExpressionResolver.ExpressionResolverBuilder<JpaQuery<T>>, com.querydsl.core.support.ExtendedSubQuery<T>, com.querydsl.core.Fetchable<T>, com.querydsl.core.FetchableQuery<T,com.querydsl.jpa.JPQLQuery<T>>, com.querydsl.core.FilteredClause<com.querydsl.jpa.JPQLQuery<T>>, com.querydsl.jpa.JPQLQuery<T>, com.querydsl.core.Query<com.querydsl.jpa.JPQLQuery<T>>, com.holonplatform.core.query.QueryAggregation.QueryAggregationSupport<JpaQuery<T>>, com.holonplatform.core.query.QueryBuilder<JpaQuery<T>>, com.holonplatform.core.query.QueryFilter.QueryFilterSupport<JpaQuery<T>>, com.holonplatform.core.query.QuerySort.QuerySortSupport<JpaQuery<T>>, Serializable, com.querydsl.core.SimpleQuery<com.querydsl.jpa.JPQLQuery<T>>, com.querydsl.core.types.SubQueryExpression<T>

public interface JpaQuery<T>
extends com.holonplatform.core.query.QueryBuilder<JpaQuery<T>>, com.querydsl.jpa.JPQLQuery<T>

QueryDSL JPA query interface.

Combines the features of the standard QueryDSL JPQLQuery with the Holon QueryBuilder, allowing to seamlessy use the default core query architecture expressions (for example DataTarget, QueryFilter, QuerySort and QueryAggregation) for query definition.

Provides some convenience methods to obtain query results providing a projection expression, such as list(Expression), singleResult(Expression), uniqueResult(Expression).

The QueryDsl Datastore commodity can be used to obtain a new JpaQuery instance through the QueryDsl.query() method. Example:

 JpaQuery q = getDatastore().create(QueryDsl.class).query();
 

Since:

5.1.0

Method Summary

Modifier and Type	Method and Description
default long	count() Shorter for count(*) on selected entity path.
JpaQuery<T>	distinct()
JpaQuery<T>	fetchAll()
JpaQuery<T>	fetchJoin()
<P> JpaQuery<T>	from(com.querydsl.core.types.CollectionExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
JpaQuery<T>	from(com.querydsl.core.types.EntityPath<?>... sources)
JpaQuery<T>	groupBy(com.querydsl.core.types.Expression<?>... o)
JpaQuery<T>	having(com.querydsl.core.types.Predicate... o)
<P> JpaQuery<T>	innerJoin(com.querydsl.core.types.CollectionExpression<?,P> target)
<P> JpaQuery<T>	innerJoin(com.querydsl.core.types.CollectionExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	innerJoin(com.querydsl.core.types.EntityPath<P> target)
<P> JpaQuery<T>	innerJoin(com.querydsl.core.types.EntityPath<P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	innerJoin(com.querydsl.core.types.MapExpression<?,P> target)
<P> JpaQuery<T>	innerJoin(com.querydsl.core.types.MapExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	join(com.querydsl.core.types.CollectionExpression<?,P> target)
<P> JpaQuery<T>	join(com.querydsl.core.types.CollectionExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	join(com.querydsl.core.types.EntityPath<P> target)
<P> JpaQuery<T>	join(com.querydsl.core.types.EntityPath<P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	join(com.querydsl.core.types.MapExpression<?,P> target)
<P> JpaQuery<T>	join(com.querydsl.core.types.MapExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	leftJoin(com.querydsl.core.types.CollectionExpression<?,P> target)
<P> JpaQuery<T>	leftJoin(com.querydsl.core.types.CollectionExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	leftJoin(com.querydsl.core.types.EntityPath<P> target)
<P> JpaQuery<T>	leftJoin(com.querydsl.core.types.EntityPath<P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	leftJoin(com.querydsl.core.types.MapExpression<?,P> target)
<P> JpaQuery<T>	leftJoin(com.querydsl.core.types.MapExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
JpaQuery<T>	limit(long limit)
default <RT> List<RT>	list(com.querydsl.core.types.Expression<RT> projection) Convenience method to execute the query and return results as List.
JpaQuery<T>	offset(long offset)
JpaQuery<T>	on(com.querydsl.core.types.Predicate... condition)
JpaQuery<T>	orderBy(com.querydsl.core.types.OrderSpecifier<?>... o)
JpaQuery<T>	restrict(com.querydsl.core.QueryModifiers modifiers)
<P> JpaQuery<T>	rightJoin(com.querydsl.core.types.CollectionExpression<?,P> target)
<P> JpaQuery<T>	rightJoin(com.querydsl.core.types.CollectionExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	rightJoin(com.querydsl.core.types.EntityPath<P> target)
<P> JpaQuery<T>	rightJoin(com.querydsl.core.types.EntityPath<P> target, com.querydsl.core.types.Path<P> alias)
<P> JpaQuery<T>	rightJoin(com.querydsl.core.types.MapExpression<?,P> target)
<P> JpaQuery<T>	rightJoin(com.querydsl.core.types.MapExpression<?,P> target, com.querydsl.core.types.Path<P> alias)
JpaQuery<com.querydsl.core.Tuple>	select(com.querydsl.core.types.Expression<?>... exprs)
<U> JpaQuery<U>	select(com.querydsl.core.types.Expression<U> expr)
<P> JpaQuery<T>	set(com.querydsl.core.types.ParamExpression<P> param, P value)
JpaQuery<T>	setFlushMode(javax.persistence.FlushModeType flushMode) Set the query FlushModeType.
JpaQuery<T>	setHint(String name, Object value) Add a query hint.
JpaQuery<T>	setLockMode(javax.persistence.LockModeType lockMode) Set the query LockModeType.
default <RT> RT	singleResult(com.querydsl.core.types.Expression<RT> projection) Convenience method to execute the query and return a single result.
default <RT> RT	uniqueResult(com.querydsl.core.types.Expression<RT> projection) Convenience method to execute the query and return the result, which is expected to be unique.
JpaQuery<T>	where(com.querydsl.core.types.Predicate... o)

Methods inherited from interface com.holonplatform.core.query.QueryBuilder

getQueryConfiguration, limit, offset, parameter, parameter, restrict

Methods inherited from interface com.holonplatform.core.query.QueryFilter.QueryFilterSupport

filter, filter, filter

Methods inherited from interface com.holonplatform.core.query.QuerySort.QuerySortSupport

sort, sort, sort

Methods inherited from interface com.holonplatform.core.datastore.DataTarget.DataTargetSupport

target, target

Methods inherited from interface com.holonplatform.core.query.QueryAggregation.QueryAggregationSupport

aggregate, aggregate, aggregate

Methods inherited from interface com.holonplatform.core.ExpressionResolver.ExpressionResolverBuilder

withExpressionResolver

Methods inherited from interface com.querydsl.core.FetchableQuery

transform

Methods inherited from interface com.querydsl.core.Fetchable

fetch, fetchCount, fetchFirst, fetchOne, fetchResults, iterate

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.types.SubQueryExpression

getMetadata

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

accept, getType

Method Detail

groupBy

JpaQuery<T> groupBy(com.querydsl.core.types.Expression<?>... o)

Specified by:

groupBy in interface com.querydsl.core.Query<com.querydsl.jpa.JPQLQuery<T>>

having

JpaQuery<T> having(com.querydsl.core.types.Predicate... o)

Specified by:

having in interface com.querydsl.core.Query<com.querydsl.jpa.JPQLQuery<T>>

limit

JpaQuery<T> limit(long limit)

Specified by:

limit in interface com.querydsl.core.SimpleQuery<com.querydsl.jpa.JPQLQuery<T>>

offset

JpaQuery<T> offset(long offset)

Specified by:

offset in interface com.querydsl.core.SimpleQuery<com.querydsl.jpa.JPQLQuery<T>>

restrict

JpaQuery<T> restrict(com.querydsl.core.QueryModifiers modifiers)

Specified by:

restrict in interface com.querydsl.core.SimpleQuery<com.querydsl.jpa.JPQLQuery<T>>

orderBy

JpaQuery<T> orderBy(com.querydsl.core.types.OrderSpecifier<?>... o)

Specified by:

orderBy in interface com.querydsl.core.SimpleQuery<com.querydsl.jpa.JPQLQuery<T>>

set

<P> JpaQuery<T> set(com.querydsl.core.types.ParamExpression<P> param,
                    P value)

Specified by:

set in interface com.querydsl.core.SimpleQuery<com.querydsl.jpa.JPQLQuery<T>>

distinct

JpaQuery<T> distinct()

Specified by:

distinct in interface com.holonplatform.core.query.QueryBuilder<JpaQuery<T>>

Specified by:

distinct in interface com.querydsl.core.SimpleQuery<com.querydsl.jpa.JPQLQuery<T>>

where

JpaQuery<T> where(com.querydsl.core.types.Predicate... o)

Specified by:

where in interface com.querydsl.core.FilteredClause<com.querydsl.jpa.JPQLQuery<T>>

from

JpaQuery<T> from(com.querydsl.core.types.EntityPath<?>... sources)

Specified by:

from in interface com.querydsl.jpa.JPQLQuery<T>

from

<P> JpaQuery<T> from(com.querydsl.core.types.CollectionExpression<?,P> target,
                     com.querydsl.core.types.Path<P> alias)

Specified by:

from in interface com.querydsl.jpa.JPQLQuery<T>

innerJoin

<P> JpaQuery<T> innerJoin(com.querydsl.core.types.EntityPath<P> target)

Specified by:

innerJoin in interface com.querydsl.jpa.JPQLQuery<T>

innerJoin

<P> JpaQuery<T> innerJoin(com.querydsl.core.types.EntityPath<P> target,
                          com.querydsl.core.types.Path<P> alias)

Specified by:

innerJoin in interface com.querydsl.jpa.JPQLQuery<T>

innerJoin

<P> JpaQuery<T> innerJoin(com.querydsl.core.types.CollectionExpression<?,P> target)

Specified by:

innerJoin in interface com.querydsl.jpa.JPQLQuery<T>

innerJoin

<P> JpaQuery<T> innerJoin(com.querydsl.core.types.CollectionExpression<?,P> target,
                          com.querydsl.core.types.Path<P> alias)

Specified by:

innerJoin in interface com.querydsl.jpa.JPQLQuery<T>

innerJoin

<P> JpaQuery<T> innerJoin(com.querydsl.core.types.MapExpression<?,P> target)

Specified by:

innerJoin in interface com.querydsl.jpa.JPQLQuery<T>

innerJoin

<P> JpaQuery<T> innerJoin(com.querydsl.core.types.MapExpression<?,P> target,
                          com.querydsl.core.types.Path<P> alias)

Specified by:

innerJoin in interface com.querydsl.jpa.JPQLQuery<T>

join

<P> JpaQuery<T> join(com.querydsl.core.types.EntityPath<P> target)

Specified by:

join in interface com.querydsl.jpa.JPQLQuery<T>

join

<P> JpaQuery<T> join(com.querydsl.core.types.EntityPath<P> target,
                     com.querydsl.core.types.Path<P> alias)

Specified by:

join in interface com.querydsl.jpa.JPQLQuery<T>

join

<P> JpaQuery<T> join(com.querydsl.core.types.CollectionExpression<?,P> target)

Specified by:

join in interface com.querydsl.jpa.JPQLQuery<T>

join

<P> JpaQuery<T> join(com.querydsl.core.types.CollectionExpression<?,P> target,
                     com.querydsl.core.types.Path<P> alias)

Specified by:

join in interface com.querydsl.jpa.JPQLQuery<T>

join

<P> JpaQuery<T> join(com.querydsl.core.types.MapExpression<?,P> target)

Specified by:

join in interface com.querydsl.jpa.JPQLQuery<T>

join

<P> JpaQuery<T> join(com.querydsl.core.types.MapExpression<?,P> target,
                     com.querydsl.core.types.Path<P> alias)

Specified by:

join in interface com.querydsl.jpa.JPQLQuery<T>

leftJoin

<P> JpaQuery<T> leftJoin(com.querydsl.core.types.EntityPath<P> target)

Specified by:

leftJoin in interface com.querydsl.jpa.JPQLQuery<T>

leftJoin

<P> JpaQuery<T> leftJoin(com.querydsl.core.types.EntityPath<P> target,
                         com.querydsl.core.types.Path<P> alias)

Specified by:

leftJoin in interface com.querydsl.jpa.JPQLQuery<T>

leftJoin

<P> JpaQuery<T> leftJoin(com.querydsl.core.types.CollectionExpression<?,P> target)

Specified by:

leftJoin in interface com.querydsl.jpa.JPQLQuery<T>

leftJoin

<P> JpaQuery<T> leftJoin(com.querydsl.core.types.CollectionExpression<?,P> target,
                         com.querydsl.core.types.Path<P> alias)

Specified by:

leftJoin in interface com.querydsl.jpa.JPQLQuery<T>

leftJoin

<P> JpaQuery<T> leftJoin(com.querydsl.core.types.MapExpression<?,P> target)

Specified by:

leftJoin in interface com.querydsl.jpa.JPQLQuery<T>

leftJoin

<P> JpaQuery<T> leftJoin(com.querydsl.core.types.MapExpression<?,P> target,
                         com.querydsl.core.types.Path<P> alias)

Specified by:

leftJoin in interface com.querydsl.jpa.JPQLQuery<T>

rightJoin

<P> JpaQuery<T> rightJoin(com.querydsl.core.types.EntityPath<P> target)

Specified by:

rightJoin in interface com.querydsl.jpa.JPQLQuery<T>

rightJoin

<P> JpaQuery<T> rightJoin(com.querydsl.core.types.EntityPath<P> target,
                          com.querydsl.core.types.Path<P> alias)

Specified by:

rightJoin in interface com.querydsl.jpa.JPQLQuery<T>

rightJoin

<P> JpaQuery<T> rightJoin(com.querydsl.core.types.CollectionExpression<?,P> target)

Specified by:

rightJoin in interface com.querydsl.jpa.JPQLQuery<T>

rightJoin

<P> JpaQuery<T> rightJoin(com.querydsl.core.types.CollectionExpression<?,P> target,
                          com.querydsl.core.types.Path<P> alias)

Specified by:

rightJoin in interface com.querydsl.jpa.JPQLQuery<T>

rightJoin

<P> JpaQuery<T> rightJoin(com.querydsl.core.types.MapExpression<?,P> target)

Specified by:

rightJoin in interface com.querydsl.jpa.JPQLQuery<T>

rightJoin

<P> JpaQuery<T> rightJoin(com.querydsl.core.types.MapExpression<?,P> target,
                          com.querydsl.core.types.Path<P> alias)

Specified by:

rightJoin in interface com.querydsl.jpa.JPQLQuery<T>

on

JpaQuery<T> on(com.querydsl.core.types.Predicate... condition)

Specified by:

on in interface com.querydsl.jpa.JPQLQuery<T>

fetchJoin

JpaQuery<T> fetchJoin()

Specified by:

fetchJoin in interface com.querydsl.jpa.JPQLQuery<T>

fetchAll

JpaQuery<T> fetchAll()

Specified by:

fetchAll in interface com.querydsl.jpa.JPQLQuery<T>

select

<U> JpaQuery<U> select(com.querydsl.core.types.Expression<U> expr)

Specified by:

select in interface com.querydsl.core.FetchableQuery<T,com.querydsl.jpa.JPQLQuery<T>>

Specified by:

select in interface com.querydsl.jpa.JPQLQuery<T>

select

JpaQuery<com.querydsl.core.Tuple> select(com.querydsl.core.types.Expression<?>... exprs)

Specified by:

select in interface com.querydsl.core.FetchableQuery<T,com.querydsl.jpa.JPQLQuery<T>>

Specified by:

select in interface com.querydsl.jpa.JPQLQuery<T>

setLockMode

JpaQuery<T> setLockMode(javax.persistence.LockModeType lockMode)

Set the query LockModeType.

Parameters:

lockMode - Lock mode

Returns:

this

setFlushMode

JpaQuery<T> setFlushMode(javax.persistence.FlushModeType flushMode)

Set the query FlushModeType.

Parameters:

flushMode - Flush mode

Returns:

this

setHint

JpaQuery<T> setHint(String name,
                    Object value)

Add a query hint.

Parameters:

name - Query hint name

value - Query hint value

Returns:

this

list

default <RT> List<RT> list(com.querydsl.core.types.Expression<RT> projection)

Convenience method to execute the query and return results as List. An empty list is returned when no result is found.

Type Parameters:

RT - Result type

Parameters:

projection - Projection

Returns:

Query results List

singleResult

default <RT> RT singleResult(com.querydsl.core.types.Expression<RT> projection)

Convenience method to execute the query and return a single result. For multiple results, only the first one is returned.

Type Parameters:

RT - Result type

Parameters:

projection - Projection

Returns:

The single (first) query result, null if no results available

uniqueResult

default <RT> RT uniqueResult(com.querydsl.core.types.Expression<RT> projection)

Convenience method to execute the query and return the result, which is expected to be unique.

Type Parameters:

RT - Result type

Parameters:

projection - Projection

Returns:

The unique query result, null if no results available

Throws:

com.querydsl.core.NonUniqueResultException - if there is more than one result

count

default long count()

Shorter for count(*) on selected entity path.

Returns:

Count result