org.springframework.data.jpa.repository.query

Class JpaQueryCreator

java.lang.Object

org.springframework.data.repository.query.parser.AbstractQueryCreator<javax.persistence.criteria.CriteriaQuery<? extends Object>,javax.persistence.criteria.Predicate>

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

Direct Known Subclasses:

JpaCountQueryCreator

public class JpaQueryCreator
extends AbstractQueryCreator<javax.persistence.criteria.CriteriaQuery<? extends Object>,javax.persistence.criteria.Predicate>

Query creator to create a CriteriaQuery from a PartTree.

Author:

Oliver Gierke, Mark Paluch

Constructor Summary

Constructors

Constructor and Description
JpaQueryCreator(PartTree tree, ReturnedType type, javax.persistence.criteria.CriteriaBuilder builder, org.springframework.data.jpa.repository.query.ParameterMetadataProvider provider) Create a new JpaQueryCreator.

Method Summary

Modifier and Type	Method and Description
protected javax.persistence.criteria.Predicate	and(Part part, javax.persistence.criteria.Predicate base, Iterator<Object> iterator)
protected javax.persistence.criteria.CriteriaQuery<? extends Object>	complete(javax.persistence.criteria.Predicate predicate, Sort sort) Finalizes the given Predicate and applies the given sort.
protected javax.persistence.criteria.CriteriaQuery<? extends Object>	complete(javax.persistence.criteria.Predicate predicate, Sort sort, javax.persistence.criteria.CriteriaQuery<? extends Object> query, javax.persistence.criteria.CriteriaBuilder builder, javax.persistence.criteria.Root<?> root) Template method to finalize the given Predicate using the given CriteriaQuery and CriteriaBuilder.
protected javax.persistence.criteria.Predicate	create(Part part, Iterator<Object> iterator)
protected javax.persistence.criteria.CriteriaQuery<? extends Object>	createCriteriaQuery(javax.persistence.criteria.CriteriaBuilder builder, ReturnedType type) Creates the CriteriaQuery to apply predicates on.
List<org.springframework.data.jpa.repository.query.ParameterMetadataProvider.ParameterMetadata<?>>	getParameterExpressions() Returns all ParameterExpression created when creating the query.
protected javax.persistence.criteria.Predicate	or(javax.persistence.criteria.Predicate base, javax.persistence.criteria.Predicate predicate)

Methods inherited from class org.springframework.data.repository.query.parser.AbstractQueryCreator

createQuery, createQuery

Methods inherited from class java.lang.Object

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

Constructor Detail

JpaQueryCreator

public JpaQueryCreator(PartTree tree,
                       ReturnedType type,
                       javax.persistence.criteria.CriteriaBuilder builder,
                       org.springframework.data.jpa.repository.query.ParameterMetadataProvider provider)

Create a new JpaQueryCreator.

Parameters:

tree - must not be null.

type - must not be null.

builder - must not be null.

provider - must not be null.

Method Detail

createCriteriaQuery

protected javax.persistence.criteria.CriteriaQuery<? extends Object> createCriteriaQuery(javax.persistence.criteria.CriteriaBuilder builder,
                                                                                         ReturnedType type)

Creates the CriteriaQuery to apply predicates on.

Parameters:

builder - will never be null.

type - will never be null.

Returns:

must not be null.

getParameterExpressions

public List<org.springframework.data.jpa.repository.query.ParameterMetadataProvider.ParameterMetadata<?>> getParameterExpressions()

Returns all ParameterExpression created when creating the query.

Returns:

the parameterExpressions

create

protected javax.persistence.criteria.Predicate create(Part part,
                                                      Iterator<Object> iterator)

Specified by:

create in class AbstractQueryCreator<javax.persistence.criteria.CriteriaQuery<? extends Object>,javax.persistence.criteria.Predicate>

and

protected javax.persistence.criteria.Predicate and(Part part,
                                                   javax.persistence.criteria.Predicate base,
                                                   Iterator<Object> iterator)

Specified by:

and in class AbstractQueryCreator<javax.persistence.criteria.CriteriaQuery<? extends Object>,javax.persistence.criteria.Predicate>

or

protected javax.persistence.criteria.Predicate or(javax.persistence.criteria.Predicate base,
                                                  javax.persistence.criteria.Predicate predicate)

Specified by:

or in class AbstractQueryCreator<javax.persistence.criteria.CriteriaQuery<? extends Object>,javax.persistence.criteria.Predicate>

complete

protected final javax.persistence.criteria.CriteriaQuery<? extends Object> complete(javax.persistence.criteria.Predicate predicate,
                                                                                    Sort sort)

Finalizes the given Predicate and applies the given sort. Delegates to complete(Predicate, Sort, CriteriaQuery, CriteriaBuilder, Root) and hands it the current CriteriaQuery and CriteriaBuilder.

Specified by:

complete in class AbstractQueryCreator<javax.persistence.criteria.CriteriaQuery<? extends Object>,javax.persistence.criteria.Predicate>

complete

protected javax.persistence.criteria.CriteriaQuery<? extends Object> complete(javax.persistence.criteria.Predicate predicate,
                                                                              Sort sort,
                                                                              javax.persistence.criteria.CriteriaQuery<? extends Object> query,
                                                                              javax.persistence.criteria.CriteriaBuilder builder,
                                                                              javax.persistence.criteria.Root<?> root)

Template method to finalize the given Predicate using the given CriteriaQuery and CriteriaBuilder.

Parameters:

predicate -

sort -

query -

builder -

Returns: