/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
 *
 * 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.custom;

import org.hibernate.LockMode;
import org.hibernate.HibernateException;

/**
 * Represents some non-scalar (entity/collection) return within the query result.
 *
 * @author Steve Ebersole
 */
public abstract class NonScalarReturn implements Return {
	private final String alias;
	private final LockMode lockMode;

	public NonScalarReturn(String alias, LockMode lockMode) {
		this.alias = alias;
		if ( alias == null ) {
			throw new HibernateException("alias must be specified");
		}
		this.lockMode = lockMode;
	}

	public String getAlias() {
		return alias;
	}

	public LockMode getLockMode() {
		return lockMode;
	}
}
