javax.persistence.AssociationOverrides Maven / Gradle / Ivy

/*******************************************************************************
 * Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Linda DeMichiel - Java Persistence 2.1
 *     Linda DeMichiel - Java Persistence 2.0
 *
 ******************************************************************************/
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;

/**
 * Used to override mappings of multiple relationship properties or fields.
 *
 *  *    
 *    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 { ... }
 * 
 *
 *@see AssociationOverride
 *
 * @since Java Persistence 1.0
 */
@Target({TYPE, METHOD, FIELD}) 
@Retention(RUNTIME)

public @interface AssociationOverrides {

    /** 
     *(Required) The association override mappings that are to be 
     * applied to the relationship field or property .
     */
    AssociationOverride[] value();
}