org.hibernate.envers.internal.entities.mapper.relation.OneToOneNotOwningMapper Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hibernate-envers Show documentation
Show all versions of hibernate-envers Show documentation
Hibernate's entity version (audit/history) support
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.envers.internal.entities.mapper.relation;
import java.io.Serializable;
import org.hibernate.envers.internal.entities.PropertyData;
import org.hibernate.envers.internal.reader.AuditReaderImplementor;
import org.hibernate.envers.query.AuditEntity;
import org.hibernate.service.ServiceRegistry;
/**
* Property mapper for not owning side of {@link javax.persistence.OneToOne} relation.
*
* @author Adam Warski (adam at warski dot org)
* @author HernпїЅn Chanfreau
* @author Michal Skowronek (mskowr at o2 dot pl)
* @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
*/
public class OneToOneNotOwningMapper extends AbstractOneToOneMapper {
private final String owningReferencePropertyName;
public OneToOneNotOwningMapper(
String notOwningEntityName,
String owningEntityName,
String owningReferencePropertyName,
PropertyData propertyData,
ServiceRegistry serviceRegistry) {
super( notOwningEntityName, owningEntityName, propertyData, serviceRegistry );
this.owningReferencePropertyName = owningReferencePropertyName;
}
@Override
protected Object queryForReferencedEntity(
AuditReaderImplementor versionsReader,
EntityInfo referencedEntity,
Serializable primaryKey,
Number revision) {
return versionsReader.createQuery().forEntitiesAtRevision(
referencedEntity.getEntityClass(),
referencedEntity.getEntityName(), revision
)
.add( AuditEntity.relatedId( owningReferencePropertyName ).eq( primaryKey ) )
.getSingleResult();
}
}