org.hibernate.loader.plan.build.internal.returns.AbstractCompositeEntityIdentifierDescription 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
* Boston, MA 02110-1301 USA
*/
package org.hibernate.loader.plan.build.internal.returns;
import org.hibernate.loader.PropertyPath;
import org.hibernate.loader.plan.build.spi.ExpandingCompositeQuerySpace;
import org.hibernate.loader.plan.build.spi.ExpandingEntityIdentifierDescription;
import org.hibernate.loader.plan.spi.EntityReference;
import org.hibernate.loader.plan.spi.FetchSource;
import org.hibernate.type.CompositeType;
import org.hibernate.type.Type;
/**
* @author Steve Ebersole
* @author Gail Badner
*/
public abstract class AbstractCompositeEntityIdentifierDescription
extends AbstractCompositeFetch
implements ExpandingEntityIdentifierDescription {
private final EntityReference entityReference;
private final CompositeType identifierType;
protected AbstractCompositeEntityIdentifierDescription(
EntityReference entityReference,
ExpandingCompositeQuerySpace compositeQuerySpace,
CompositeType identifierType,
PropertyPath propertyPath) {
super( compositeQuerySpace, false, propertyPath );
this.entityReference = entityReference;
this.identifierType = identifierType;
}
@Override
public boolean hasFetches() {
return getFetches().length > 0;
}
@Override
public boolean hasBidirectionalEntityReferences() {
return getBidirectionalEntityReferences().length > 0;
}
@Override
public FetchSource getSource() {
// the source for this (as a Fetch) is the entity reference
return entityReference;
}
@Override
public Type getFetchedType() {
return identifierType;
}
@Override
public boolean isNullable() {
return false;
}
@Override
public EntityReference resolveEntityReference() {
return entityReference;
}
}