/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, 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.annotations;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

Used to apply a Hibernate formula (derived value) as the inheritance discriminator "column". Used in place of the JPA DiscriminatorColumn when a formula is wanted. To be placed on the root entity. 
Author:
Emmanuel Bernard, Steve Ebersole
See Also:
Formula/**
 * Used to apply a Hibernate formula (derived value) as the inheritance discriminator "column".  Used in place of
 * the JPA {@link javax.persistence.DiscriminatorColumn} when a formula is wanted.
 *
 * To be placed on the root entity.
 *
 * @see Formula
 *
 * @author Emmanuel Bernard
 * @author Steve Ebersole
 */
@Target({TYPE})
@Retention(RUNTIME)
public @interface DiscriminatorFormula {
	
The formula string.
/**
	 * The formula string.
	 */
	String value();
}