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

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

Query creator to create a CriteriaQuery from a PartTree.

Author:

Oliver Gierke

Constructor Summary

JpaQueryCreator(PartTree tree, Class<?> domainClass, javax.persistence.criteria.CriteriaBuilder builder, org.springframework.data.jpa.repository.query.ParameterMetadataProvider provider)
Create a new JpaQueryCreator.

Method Summary

protected javax.persistence.criteria.Predicate	and(Part part, javax.persistence.criteria.Predicate base, Iterator<Object> iterator)
protected javax.persistence.criteria.CriteriaQuery<Object>	complete(javax.persistence.criteria.Predicate predicate, Sort sort) Finalizes the given Predicate and applies the given sort.
protected javax.persistence.criteria.CriteriaQuery<Object>	complete(javax.persistence.criteria.Predicate predicate, Sort sort, javax.persistence.criteria.CriteriaQuery<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)
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,
                       Class<?> domainClass,
                       javax.persistence.criteria.CriteriaBuilder builder,
                       org.springframework.data.jpa.repository.query.ParameterMetadataProvider provider)

Create a new JpaQueryCreator.

Parameters:

tree -

domainClass -

accessor -

em -

Method Detail

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<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<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<Object>,javax.persistence.criteria.Predicate>

complete

protected final javax.persistence.criteria.CriteriaQuery<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) and hands it the current CriteriaQuery and CriteriaBuilder.

Specified by:

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

complete

protected javax.persistence.criteria.CriteriaQuery<Object> complete(javax.persistence.criteria.Predicate predicate,
                                                                    Sort sort,
                                                                    javax.persistence.criteria.CriteriaQuery<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: