Embedded


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  package javax.persistence;
24  
25  import java.lang.annotation.Target  ;
26  import java.lang.annotation.Retention  ;
27  import static java.lang.annotation.ElementType.FIELD  ;
28  import static java.lang.annotation.ElementType.METHOD  ;
29  import static java.lang.annotation.RetentionPolicy.RUNTIME  ;
30  
31  /**
32   * Defines a persistent field or property of an entity whose 
33   * value is an instance of an embeddable class. The embeddable 
34   * class must be annotated as {@link Embeddable}.
35   *
36   * <pre>
37   *   Example:
38   *
39   *   &#064;Embedded
40   *   &#064;AttributeOverrides({
41   *       &#064;AttributeOverride(name="startDate",
42   *           column=&#064;Column("EMP_START")),
43   *       &#064;AttributeOverride(name="endDate", column=&#064;Column("EMP_END"))
44   *   })
45   *   public EmploymentPeriod getEmploymentPeriod() { ... }
46   * </pre>
47   *
48   * @since Java Persistence 1.0
49   */
50  @Target  ({METHOD, FIELD})
51  @Retention  (RUNTIME)
52  
53  public @interface Embedded {
54  }
55
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