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/*
* 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.plan.build.spi.ExpandingCompositeQuerySpace;
import org.hibernate.loader.plan.spi.CollectionFetchableIndex;
import org.hibernate.loader.plan.spi.CollectionReference;
import org.hibernate.loader.plan.spi.EntityReference;
import org.hibernate.loader.plan.spi.Fetch;
/**
* Models the index graph of a collection, where the index are composite. This can only be a Map, where the keys are
* composite
*
* @author Steve Ebersole
*/
public class CollectionFetchableIndexCompositeGraph
extends AbstractCompositeReference
implements CollectionFetchableIndex {
private final CollectionReference collectionReference;
public CollectionFetchableIndexCompositeGraph(
CollectionReference collectionReference,
ExpandingCompositeQuerySpace compositeQuerySpace) {
super(
compositeQuerySpace,
false,
collectionReference.getPropertyPath().append( "" )
);
this.collectionReference = collectionReference;
}
@Override
public CollectionReference getCollectionReference() {
return collectionReference;
}
@Override
public EntityReference resolveEntityReference() {
return Fetch.class.isInstance( collectionReference ) ?
Fetch.class.cast( collectionReference ).getSource().resolveEntityReference() :
null;
}
}