org.hibernate.loader.plan.build.internal.spaces.EntityQuerySpaceImpl Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2013, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
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*/
package org.hibernate.loader.plan.build.internal.spaces;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.loader.plan.build.spi.ExpandingCompositeQuerySpace;
import org.hibernate.loader.plan.build.spi.ExpandingEntityQuerySpace;
import org.hibernate.loader.plan.build.spi.ExpandingQuerySpaces;
import org.hibernate.loader.plan.spi.JoinDefinedByMetadata;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.persister.entity.PropertyMapping;
import org.hibernate.type.CompositeType;
/**
* @author Steve Ebersole
*/
public class EntityQuerySpaceImpl extends AbstractExpandingSourceQuerySpace implements ExpandingEntityQuerySpace {
private final EntityPersister persister;
public EntityQuerySpaceImpl(
EntityPersister persister,
String uid,
ExpandingQuerySpaces querySpaces,
boolean canJoinsBeRequired) {
super( uid, Disposition.ENTITY, querySpaces, canJoinsBeRequired );
this.persister = persister;
}
protected SessionFactoryImplementor sessionFactory() {
return super.sessionFactory();
}
@Override
public PropertyMapping getPropertyMapping() {
// entity persisters are typically PropertyMapping implementors, but this is part of the funky
// "optional interface hierarchy" for entity persisters. The internal ones all implement
// PropertyMapping...
return (PropertyMapping) persister;
}
@Override
public String[] toAliasedColumns(String alias, String propertyName) {
return getPropertyMapping().toColumns( alias, propertyName );
}
@Override
public EntityPersister getEntityPersister() {
return persister;
}
@Override
public ExpandingCompositeQuerySpace makeCompositeIdentifierQuerySpace() {
final String compositeQuerySpaceUid = getUid() + "-id";
final ExpandingCompositeQuerySpace rhs = getExpandingQuerySpaces().makeCompositeQuerySpace(
compositeQuerySpaceUid,
new CompositePropertyMapping(
(CompositeType) getEntityPersister().getIdentifierType(),
(PropertyMapping) getEntityPersister(),
getEntityPersister().getIdentifierPropertyName()
),
canJoinsBeRequired()
);
final JoinDefinedByMetadata join = JoinHelper.INSTANCE.createCompositeJoin(
this,
EntityPersister.ENTITY_ID,
rhs,
canJoinsBeRequired(),
(CompositeType) persister.getIdentifierType()
);
internalGetJoins().add( join );
return rhs;
}
}