/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2013, Red Hat Inc. 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 Inc.
 *
 * 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.cfg.annotations;

import javax.persistence.NamedEntityGraph;

import org.hibernate.internal.util.StringHelper;

Models the definition of a NamedEntityGraph annotation 
Author:
Steve Ebersole/**
 * Models the definition of a {@link NamedEntityGraph} annotation
 *
 * @author Steve Ebersole
 */
public class NamedEntityGraphDefinition {
	private final NamedEntityGraph annotation;
	private final String jpaEntityName;
	private final String entityName;
	private final String name;

	public NamedEntityGraphDefinition(NamedEntityGraph annotation, String jpaEntityName, String entityName) {
		this.annotation = annotation;
		this.jpaEntityName = jpaEntityName;
		this.entityName = entityName;
		this.name = StringHelper.isNotEmpty( annotation.name() )
				? annotation.name()
				: jpaEntityName;
		if ( name == null ) {
			throw new IllegalArgumentException( "Named entity graph name cannot be null" );
		}
	}

	public String getRegisteredName() {
		return name;
	}

	public String getJpaEntityName() {
		return jpaEntityName;
	}

	public String getEntityName() {
		return entityName;
	}

	public NamedEntityGraph getAnnotation() {
		return annotation;
	}
}