org.hibernate.loader.plan.build.internal.returns.AbstractCompositeEntityIdentifierDescription Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hibernate-core Show documentation
Show all versions of hibernate-core Show documentation
Hibernate's core ORM functionality
/*
* 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.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;
}
}