Class JpaQueryCreator

java.lang.Object

org.springframework.data.repository.query.parser.AbstractQueryCreator<String, JpqlQueryBuilder.Predicate>

org.springframework.data.jpa.repository.query.JpaQueryCreator

Direct Known Subclasses:

JpaCountQueryCreator

public class JpaQueryCreator
extends AbstractQueryCreator<String, JpqlQueryBuilder.Predicate>

Query creator to create a CriteriaQuery from a PartTree.

Author:

Oliver Gierke, Mark Paluch, Michael Cramer, Mark Paluch, Reda.Housni-Alaoui, Moritz Becker, Andrey Kovalev, Greg Turnquist, Christoph Strobl, Jinmyeong Kim

Constructor Summary

Constructors

Constructor	Description
JpaQueryCreator(PartTree tree, boolean searchQuery, ReturnedType type, ParameterMetadataProvider provider, JpqlQueryTemplates templates, jakarta.persistence.metamodel.Metamodel metamodel)
JpaQueryCreator(PartTree tree, boolean searchQuery, ReturnedType type, ParameterMetadataProvider provider, JpqlQueryTemplates templates, JpaEntityMetadata<?> entityMetadata, jakarta.persistence.metamodel.Metamodel metamodel)
JpaQueryCreator(PartTree tree, ReturnedType type, ParameterMetadataProvider provider, JpqlQueryTemplates templates, jakarta.persistence.EntityManager em)	Create a new JpaQueryCreator.
JpaQueryCreator(PartTree tree, ReturnedType type, ParameterMetadataProvider provider, JpqlQueryTemplates templates, jakarta.persistence.metamodel.Metamodel metamodel)

Method Summary

Modifier and Type	Method	Description
protected JpqlQueryBuilder.Predicate	and(Part part, JpqlQueryBuilder.Predicate base, Iterator<Object> iterator)
protected JpqlQueryBuilder.Select	buildQuery(Sort sort)	Template method to build a query stub using the given Sort.
protected final String	complete(@Nullable JpqlQueryBuilder.Predicate predicate, Sort sort)	Finalizes the given Predicate and applies the given sort.
protected JpqlQueryBuilder.Predicate	create(Part part, Iterator<Object> iterator)
String	createQuery(Sort sort)	Create the JPQL query applying Sort.
protected JpqlQueryBuilder.AbstractJpqlQuery	createQuery(@Nullable JpqlQueryBuilder.Predicate predicate, Sort sort)
org.springframework.data.jpa.repository.query.ParameterBinder	getBinder()
List<ParameterBinding>	getBindings()	Returns all ParameterExpression created when creating the query.
protected JpqlQueryBuilder.Predicate	or(JpqlQueryBuilder.Predicate base, JpqlQueryBuilder.Predicate predicate)
boolean	useTupleQuery()

Methods inherited from class AbstractQueryCreator

createQuery, createQuery

Methods inherited from class Object

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

Constructor Details

JpaQueryCreator

public JpaQueryCreator(PartTree tree,
 ReturnedType type,
 ParameterMetadataProvider provider,
 JpqlQueryTemplates templates,
 jakarta.persistence.EntityManager em)

Create a new JpaQueryCreator.

Parameters:

tree - must not be null.

type - must not be null.

provider - must not be null.

templates - must not be null.

em - must not be null.

JpaQueryCreator

public JpaQueryCreator(PartTree tree,
 ReturnedType type,
 ParameterMetadataProvider provider,
 JpqlQueryTemplates templates,
 jakarta.persistence.metamodel.Metamodel metamodel)

JpaQueryCreator

public JpaQueryCreator(PartTree tree,
 boolean searchQuery,
 ReturnedType type,
 ParameterMetadataProvider provider,
 JpqlQueryTemplates templates,
 jakarta.persistence.metamodel.Metamodel metamodel)

JpaQueryCreator

public JpaQueryCreator(PartTree tree,
 boolean searchQuery,
 ReturnedType type,
 ParameterMetadataProvider provider,
 JpqlQueryTemplates templates,
 JpaEntityMetadata<?> entityMetadata,
 jakarta.persistence.metamodel.Metamodel metamodel)

Method Details

useTupleQuery

public boolean useTupleQuery()

getBindings

public List<ParameterBinding> getBindings()

Returns all ParameterExpression created when creating the query.

Returns:

the parameterExpressions

getBinder

public org.springframework.data.jpa.repository.query.ParameterBinder getBinder()

create

protected JpqlQueryBuilder.Predicate create(Part part,
 Iterator<Object> iterator)

Specified by:

create in class AbstractQueryCreator<String, JpqlQueryBuilder.Predicate>

and

protected JpqlQueryBuilder.Predicate and(Part part,
 JpqlQueryBuilder.Predicate base,
 Iterator<Object> iterator)

Specified by:

and in class AbstractQueryCreator<String, JpqlQueryBuilder.Predicate>

or

protected JpqlQueryBuilder.Predicate or(JpqlQueryBuilder.Predicate base,
 JpqlQueryBuilder.Predicate predicate)

Specified by:

or in class AbstractQueryCreator<String, JpqlQueryBuilder.Predicate>

complete

protected final String complete(@Nullable JpqlQueryBuilder.Predicate predicate,
 Sort sort)

Finalizes the given Predicate and applies the given sort. Delegates to buildQuery(Sort) and hands it the current JpqlQueryBuilder.Predicate.

Specified by:

complete in class AbstractQueryCreator<String, JpqlQueryBuilder.Predicate>

createQuery

protected JpqlQueryBuilder.AbstractJpqlQuery createQuery(@Nullable JpqlQueryBuilder.Predicate predicate,
 Sort sort)

buildQuery

protected JpqlQueryBuilder.Select buildQuery(Sort sort)

Template method to build a query stub using the given Sort.

Parameters:

sort -

Returns:

createQuery

String createQuery(Sort sort)

Create the JPQL query applying Sort.

Parameters:

sort - the sort order, can be Sort.unsorted().

Returns:

the rendered JPQL query.