org.hibernate.query.sqm.tree.expression.domain.SqmCollectionElementReferenceEntity Maven / Gradle / Ivy

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Hibernate's core ORM functionality

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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 http://www.gnu.org/licenses/lgpl-2.1.html
 */
package org.hibernate.query.sqm.tree.expression.domain;

import java.util.function.Supplier;

import org.hibernate.metamodel.model.domain.spi.CollectionElementEntity;
import org.hibernate.metamodel.model.domain.spi.EntityTypeDescriptor;
import org.hibernate.query.sqm.tree.from.SqmFrom;

import org.jboss.logging.Logger;

/**
 * @author Steve Ebersole
 */
public class SqmCollectionElementReferenceEntity
		extends AbstractSqmCollectionElementReference
		implements SqmCollectionElementReference, SqmEntityTypedReference {
	private static final Logger log = Logger.getLogger( SqmCollectionElementReferenceEntity.class );

	private SqmFrom exportedFromElement;

	public SqmCollectionElementReferenceEntity(SqmPluralAttributeReference pluralAttributeBinding) {
		super( pluralAttributeBinding );
	}

	@Override
	public CollectionElementEntity getExpressableType() {
		return getReferencedNavigable();
	}

	@Override
	@SuppressWarnings("unchecked")
	public Supplier getInferableType() {
		return (Supplier) super.getInferableType();
	}

	@Override
	public CollectionElementEntity getReferencedNavigable() {
		return (CollectionElementEntity) super.getReferencedNavigable();
	}

	@Override
	public SqmFrom getExportedFromElement() {
		return exportedFromElement;
	}

	@Override
	public EntityTypeDescriptor getIntrinsicSubclassEntityMetadata() {
		// todo (6.0) : override this to account for implicit or explicit Downcasts
		return super.getIntrinsicSubclassEntityMetadata();
	}

	@Override
	public String getUniqueIdentifier() {
		// todo (6.0) : for the entity element classification we should point to the referenced entity's uid
		return super.getUniqueIdentifier();
	}
}