org.hibernate.query.sqm.tree.expression.domain.SqmMinIndexReferenceBasic 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.BasicCollectionIndex;
import org.hibernate.query.sqm.consume.spi.SemanticQueryWalker;
import org.hibernate.sql.ast.produce.metamodel.spi.ExpressableType;

/**
 * @author Steve Ebersole
 */
public class SqmMinIndexReferenceBasic
		extends AbstractSpecificSqmCollectionIndexReference
		implements SqmMinIndexReference {
	public SqmMinIndexReferenceBasic(SqmPluralAttributeReference attributeBinding) {
		super( attributeBinding );
	}

	@Override
	public ExpressableType getExpressableType() {
		return getPluralAttributeReference().getReferencedNavigable().getPersistentCollectionDescriptor().getIndexDescriptor();
	}

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

	@Override
	public  T accept(SemanticQueryWalker walker) {
		return walker.visitMinIndexFunction( this );
	}

	@Override
	public String asLoggableText() {
		return "MININDEX(" + getPluralAttributeReference().asLoggableText() + ")";
	}
}