com.mysema.query.jpa

Class JPAQueryBase<Q extends JPAQueryBase<Q>>

java.lang.Object

com.mysema.query.support.QueryBase<Q>

com.mysema.query.support.ProjectableQuery<Q>

com.mysema.query.jpa.JPAQueryBase<Q>

All Implemented Interfaces:

FilteredClause<JPQLQuery>, JPACommonQuery<JPQLQuery>, JPQLQuery, Projectable, Query<JPQLQuery>, SimpleQuery<JPQLQuery>

Direct Known Subclasses:

AbstractHibernateQuery, AbstractJPAQuery

public abstract class JPAQueryBase<Q extends JPAQueryBase<Q>>
extends ProjectableQuery<Q>
implements JPQLQuery

JPAQueryBase is a base Query class for JPA queries

Author:

tiwe

Field Summary

Fields

Modifier and Type	Field and Description
protected JPAQueryMixin<Q>	queryMixin

Fields inherited from class com.mysema.query.support.QueryBase

MDC_PARAMETERS, MDC_QUERY

Constructor Summary

Constructors

Constructor and Description
JPAQueryBase(QueryMetadata md, JPQLTemplates templates)

Method Summary

Modifier and Type	Method and Description
abstract Q	clone()
protected abstract JPQLSerializer	createSerializer()
boolean	exists()
Q	fetch() Add the "fetch" flag to the last defined join Mind that collection joins might result in duplicate rows and that "inner join fetch" will restrict your result set.
Q	fetchAll() Add the "fetch all properties" flag to the last defined join.
Q	from(EntityPath<?>... args) Set the sources of this query
Q	from(EntityPath<?> arg)
<P> Q	fullJoin(CollectionExpression<?,P> target) Deprecated.
<P> Q	fullJoin(CollectionExpression<?,P> target, Path<P> alias) Deprecated.
<P> Q	fullJoin(EntityPath<P> target) Deprecated.
<P> Q	fullJoin(EntityPath<P> target, Path<P> alias) Deprecated.
<P> Q	fullJoin(MapExpression<?,P> target) Deprecated.
<P> Q	fullJoin(MapExpression<?,P> target, Path<P> alias) Deprecated.
QueryMetadata	getMetadata()
protected JPQLTemplates	getTemplates()
<P> Q	innerJoin(CollectionExpression<?,P> target) Create a inner join with the given target.
<P> Q	innerJoin(CollectionExpression<?,P> target, Path<P> alias) Create a inner join with the given target and alias.
<P> Q	innerJoin(EntityPath<P> target) Create a inner join with the given target.
<P> Q	innerJoin(EntityPath<P> target, Path<P> alias) Create a inner join with the given target and alias.
<P> Q	innerJoin(MapExpression<?,P> target) Create a inner join with the given target.
<P> Q	innerJoin(MapExpression<?,P> target, Path<P> alias) Create a inner join with the given target and alias.
<P> Q	join(CollectionExpression<?,P> target) Create a join with the given target.
<P> Q	join(CollectionExpression<?,P> target, Path<P> alias)
<P> Q	join(EntityPath<P> target) Create a join with the given target.
<P> Q	join(EntityPath<P> target, Path<P> alias) Create a join with the given target and alias.
<P> Q	join(MapExpression<?,P> target) Create a join with the given target.
<P> Q	join(MapExpression<?,P> target, Path<P> alias) Create a join with the given target and alias.
<P> Q	leftJoin(CollectionExpression<?,P> target) Create a left join with the given target.
<P> Q	leftJoin(CollectionExpression<?,P> target, Path<P> alias) Create a left join with the given target and alias.
<P> Q	leftJoin(EntityPath<P> target) Create a left join with the given target.
<P> Q	leftJoin(EntityPath<P> target, Path<P> alias) Create a left join with the given target and alias.
<P> Q	leftJoin(MapExpression<?,P> target) Create a left join with the given target.
<P> Q	leftJoin(MapExpression<?,P> target, Path<P> alias) Create a left join with the given target and alias.
Q	on(Predicate... conditions) Add join conditions to the last added join
Q	on(Predicate condition)
protected void	reset()
<P> Q	rightJoin(CollectionExpression<?,P> target) Create a right join with the given target.
<P> Q	rightJoin(CollectionExpression<?,P> target, Path<P> alias) Create a right join with the given target and alias.
<P> Q	rightJoin(EntityPath<P> target) Create a right join with the given target.
<P> Q	rightJoin(EntityPath<P> target, Path<P> alias) Create a right join with the given target and alias.
<P> Q	rightJoin(MapExpression<?,P> target) Create a right join with the given target.
<P> Q	rightJoin(MapExpression<?,P> target, Path<P> alias) Create a right join with the given target and alias.
protected JPQLSerializer	serialize(boolean forCountRow)
protected JPQLSerializer	serialize(boolean forCountRow, boolean validate)
String	toString()
Tuple	uniqueResult(Expression<?>... args) return a unique result for the given projection or null if no result is found

Methods inherited from class com.mysema.query.support.ProjectableQuery

list, list, map, notExists, singleResult, singleResult, transform, uniqueResult

Methods inherited from class com.mysema.query.support.QueryBase

distinct, equals, groupBy, groupBy, hashCode, 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.mysema.query.Query

groupBy, having

Methods inherited from interface com.mysema.query.SimpleQuery

distinct, limit, offset, orderBy, restrict, set

Methods inherited from interface com.mysema.query.FilteredClause

where

Methods inherited from interface com.mysema.query.Projectable

count, iterate, iterate, list, list, listResults, listResults, map, notExists, singleResult, singleResult, transform, uniqueResult

Field Detail

queryMixin

protected final JPAQueryMixin<Q extends JPAQueryBase<Q>> queryMixin

Constructor Detail

JPAQueryBase

public JPAQueryBase(QueryMetadata md,
                    JPQLTemplates templates)

Method Detail

getTemplates

protected JPQLTemplates getTemplates()

createSerializer

protected abstract JPQLSerializer createSerializer()

serialize

protected JPQLSerializer serialize(boolean forCountRow)

serialize

protected JPQLSerializer serialize(boolean forCountRow,
                                   boolean validate)

reset

protected void reset()

exists

public boolean exists()

Specified by:

exists in interface Projectable

Returns:

true, if rows matching the given criteria exist, otherwise false

fetch

public Q fetch()

Description copied from interface: JPQLQuery

Add the "fetch" flag to the last defined join Mind that collection joins might result in duplicate rows and that "inner join fetch" will restrict your result set.

Specified by:

fetch in interface JPQLQuery

Returns:

fetchAll

public Q fetchAll()

Description copied from interface: JPQLQuery

Add the "fetch all properties" flag to the last defined join.

Specified by:

fetchAll in interface JPQLQuery

Returns:

from

public Q from(EntityPath<?> arg)

from

public Q from(EntityPath<?>... args)

Description copied from interface: JPACommonQuery

Set the sources of this query

Specified by:

from in interface JPACommonQuery<JPQLQuery>

Returns:

fullJoin

@Deprecated
public <P> Q fullJoin(CollectionExpression<?,P> target)

Deprecated.

Description copied from interface: JPACommonQuery

Create a full join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

fullJoin in interface JPACommonQuery<JPQLQuery>

Returns:

fullJoin

@Deprecated
public <P> Q fullJoin(CollectionExpression<?,P> target,
                                  Path<P> alias)

Deprecated.

Description copied from interface: JPACommonQuery

Create a full join with the given target and alias.

Specified by:

fullJoin in interface JPACommonQuery<JPQLQuery>

Returns:

fullJoin

@Deprecated
public <P> Q fullJoin(EntityPath<P> target)

Deprecated.

Description copied from interface: JPACommonQuery

Create a full join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

fullJoin in interface JPACommonQuery<JPQLQuery>

Returns:

fullJoin

@Deprecated
public <P> Q fullJoin(EntityPath<P> target,
                                  Path<P> alias)

Deprecated.

Description copied from interface: JPACommonQuery

Create a full join with the given target and alias.

Specified by:

fullJoin in interface JPACommonQuery<JPQLQuery>

Returns:

fullJoin

@Deprecated
public <P> Q fullJoin(MapExpression<?,P> target)

Deprecated.

Description copied from interface: JPACommonQuery

Create a full join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

fullJoin in interface JPACommonQuery<JPQLQuery>

Returns:

fullJoin

@Deprecated
public <P> Q fullJoin(MapExpression<?,P> target,
                                  Path<P> alias)

Deprecated.

Description copied from interface: JPACommonQuery

Create a full join with the given target and alias.

Specified by:

fullJoin in interface JPACommonQuery<JPQLQuery>

Returns:

innerJoin

public <P> Q innerJoin(CollectionExpression<?,P> target)

Description copied from interface: JPACommonQuery

Create a inner join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

innerJoin in interface JPACommonQuery<JPQLQuery>

Returns:

innerJoin

public <P> Q innerJoin(CollectionExpression<?,P> target,
                       Path<P> alias)

Description copied from interface: JPACommonQuery

Create a inner join with the given target and alias.

Specified by:

innerJoin in interface JPACommonQuery<JPQLQuery>

Returns:

innerJoin

public <P> Q innerJoin(EntityPath<P> target)

Description copied from interface: JPACommonQuery

Create a inner join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

innerJoin in interface JPACommonQuery<JPQLQuery>

Returns:

innerJoin

public <P> Q innerJoin(EntityPath<P> target,
                       Path<P> alias)

Description copied from interface: JPACommonQuery

Create a inner join with the given target and alias.

Specified by:

innerJoin in interface JPACommonQuery<JPQLQuery>

Returns:

innerJoin

public <P> Q innerJoin(MapExpression<?,P> target)

Description copied from interface: JPACommonQuery

Create a inner join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

innerJoin in interface JPACommonQuery<JPQLQuery>

Returns:

innerJoin

public <P> Q innerJoin(MapExpression<?,P> target,
                       Path<P> alias)

Description copied from interface: JPACommonQuery

Create a inner join with the given target and alias.

Specified by:

innerJoin in interface JPACommonQuery<JPQLQuery>

Returns:

join

public <P> Q join(CollectionExpression<?,P> target)

Description copied from interface: JPACommonQuery

Create a join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

join in interface JPACommonQuery<JPQLQuery>

Returns:

join

public <P> Q join(CollectionExpression<?,P> target,
                  Path<P> alias)

Specified by:

join in interface JPACommonQuery<JPQLQuery>

Returns:

join

public <P> Q join(EntityPath<P> target)

Description copied from interface: JPACommonQuery

Create a join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

join in interface JPACommonQuery<JPQLQuery>

Returns:

join

public <P> Q join(EntityPath<P> target,
                  Path<P> alias)

Description copied from interface: JPACommonQuery

Create a join with the given target and alias.

Specified by:

join in interface JPACommonQuery<JPQLQuery>

Returns:

join

public <P> Q join(MapExpression<?,P> target)

Description copied from interface: JPACommonQuery

Create a join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

join in interface JPACommonQuery<JPQLQuery>

Returns:

join

public <P> Q join(MapExpression<?,P> target,
                  Path<P> alias)

Description copied from interface: JPACommonQuery

Create a join with the given target and alias.

Specified by:

join in interface JPACommonQuery<JPQLQuery>

Returns:

leftJoin

public <P> Q leftJoin(CollectionExpression<?,P> target)

Description copied from interface: JPACommonQuery

Create a left join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

leftJoin in interface JPACommonQuery<JPQLQuery>

Returns:

leftJoin

public <P> Q leftJoin(CollectionExpression<?,P> target,
                      Path<P> alias)

Description copied from interface: JPACommonQuery

Create a left join with the given target and alias.

Specified by:

leftJoin in interface JPACommonQuery<JPQLQuery>

Returns:

leftJoin

public <P> Q leftJoin(EntityPath<P> target)

Description copied from interface: JPACommonQuery

Create a left join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

leftJoin in interface JPACommonQuery<JPQLQuery>

Returns:

leftJoin

public <P> Q leftJoin(EntityPath<P> target,
                      Path<P> alias)

Description copied from interface: JPACommonQuery

Create a left join with the given target and alias.

Specified by:

leftJoin in interface JPACommonQuery<JPQLQuery>

Returns:

leftJoin

public <P> Q leftJoin(MapExpression<?,P> target)

Description copied from interface: JPACommonQuery

Create a left join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

leftJoin in interface JPACommonQuery<JPQLQuery>

Returns:

leftJoin

public <P> Q leftJoin(MapExpression<?,P> target,
                      Path<P> alias)

Description copied from interface: JPACommonQuery

Create a left join with the given target and alias.

Specified by:

leftJoin in interface JPACommonQuery<JPQLQuery>

Returns:

rightJoin

public <P> Q rightJoin(CollectionExpression<?,P> target)

Description copied from interface: JPACommonQuery

Create a right join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

rightJoin in interface JPACommonQuery<JPQLQuery>

Returns:

rightJoin

public <P> Q rightJoin(CollectionExpression<?,P> target,
                       Path<P> alias)

Description copied from interface: JPACommonQuery

Create a right join with the given target and alias.

Specified by:

rightJoin in interface JPACommonQuery<JPQLQuery>

Returns:

rightJoin

public <P> Q rightJoin(EntityPath<P> target)

Description copied from interface: JPACommonQuery

Create a right join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

rightJoin in interface JPACommonQuery<JPQLQuery>

Returns:

rightJoin

public <P> Q rightJoin(EntityPath<P> target,
                       Path<P> alias)

Description copied from interface: JPACommonQuery

Create a right join with the given target and alias.

Specified by:

rightJoin in interface JPACommonQuery<JPQLQuery>

Returns:

rightJoin

public <P> Q rightJoin(MapExpression<?,P> target)

Description copied from interface: JPACommonQuery

Create a right join with the given target. Use fetch() to add the fetch parameter to this join.

Specified by:

rightJoin in interface JPACommonQuery<JPQLQuery>

Returns:

rightJoin

public <P> Q rightJoin(MapExpression<?,P> target,
                       Path<P> alias)

Description copied from interface: JPACommonQuery

Create a right join with the given target and alias.

Specified by:

rightJoin in interface JPACommonQuery<JPQLQuery>

Returns:

on

public Q on(Predicate condition)

on

public Q on(Predicate... conditions)

Description copied from interface: JPACommonQuery

Add join conditions to the last added join

Specified by:

on in interface JPACommonQuery<JPQLQuery>

Returns:

uniqueResult

public Tuple uniqueResult(Expression<?>... args)

Description copied from interface: Projectable

return a unique result for the given projection or null if no result is found

There is some ambiguity for missing results and null valued results, for disambiguation use the list or iterate methods instead.

Specified by:

uniqueResult in interface Projectable

Returns:

toString

public String toString()

Overrides:

toString in class QueryBase<Q extends JPAQueryBase<Q>>

getMetadata

public QueryMetadata getMetadata()

clone

public abstract Q clone()

Overrides:

clone in class Object