/* * Copyright (c) 2008, 2009, 2011 Oracle, Inc. 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. */ package com.fr.third.javax.persistence; import java.lang.annotation.Documented; import java.lang.annotation.Retention; import java.lang.annotation.Target; import static java.lang.annotation.ElementType.TYPE; import static java.lang.annotation.RetentionPolicy.RUNTIME; /** * Defines a class whose instances are stored as an intrinsic * part of an owning entity and share the identity of the entity. * Each of the persistent properties or fields of the embedded * object is mapped to the database table for the entity. * *
Note that the {@link Transient} annotation may be used to * designate the non-persistent state of an embeddable class. * *
* * Example 1: * * @Embeddable public class EmploymentPeriod { * @Temporal(DATE) java.util.Date startDate; * @Temporal(DATE) java.util.Date endDate; * ... * } * * Example 2: * * @Embeddable public class PhoneNumber { * protected String areaCode; * protected String localNumber; * @ManyToOne PhoneServiceProvider provider; * ... * } * * @Entity public class PhoneServiceProvider { * @Id protected String name; * ... * } * * Example 3: * * @Embeddable public class Address { * protected String street; * protected String city; * protected String state; * @Embedded protected Zipcode zipcode; * } * * @Embeddable public class Zipcode { * protected String zip; * protected String plusFour; * } ** * @since Java Persistence 1.0 */ @Documented @Target({TYPE}) @Retention(RUNTIME) public @interface Embeddable { }