/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
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 * If you wish your version of this file to be governed by only the CDDL or
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 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
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 */
package javax.persistence;

import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * This annotation is used to override mappings of multiple 
 * many-to-one or one-to-one relationship properties or fields.
 *
 * <pre>
 *    
 *    Example:
 *    @MappedSuperclass
 *    public class Employee {
 *    
 *        @Id protected Integer id;
 *        @Version protected Integer version;
 *        @ManyToOne protected Address address;
 *        @OneToOne protected Locker locker;
 *    
 *        public Integer getId() { ... }
 *        public void setId(Integer id) { ... }
 *        public Address getAddress() { ... }
 *        public void setAddress(Address address) { ... }
 *        public Locker getLocker() { ... }
 *        public void setLocker(Locker locker) { ... }
 *    
 *    }
 *    
 *    @Entity
 *    @AssociationOverrides({
 *    
 *    @AssociationOverride(name="address", 
 *            joinColumns=@JoinColumn("ADDR_ID")),
 *        @AttributeOverride(name="locker", 
 *            joinColumns=@JoinColumn("LCKR_ID"))})
 *    public PartTimeEmployee { ... }
 * </pre>
 *
 * @since Java Persistence 1.0
 */
@Target({TYPE, METHOD, FIELD}) 
@Retention(RUNTIME)

public @interface AssociationOverrides {

    /** Mapping overrides of relationship properties or fields */
    AssociationOverride[] value();
}