01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common Development
08: * and Distribution License("CDDL") (collectively, the "License"). You
09: * may not use this file except in compliance with the License. You can obtain
10: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12: * language governing permissions and limitations under the License.
13: *
14: * When distributing the software, include this License Header Notice in each
15: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16: * Sun designates this particular file as subject to the "Classpath" exception
17: * as provided by Sun in the GPL Version 2 section of the License file that
18: * accompanied this code. If applicable, add the following below the License
19: * Header, with the fields enclosed by brackets [] replaced by your own
20: * identifying information: "Portions Copyrighted [year]
21: * [name of copyright owner]"
22: *
23: * Contributor(s):
24: *
25: * If you wish your version of this file to be governed by only the CDDL or
26: * only the GPL Version 2, indicate your decision by adding "[Contributor]
27: * elects to include this software in this distribution under the [CDDL or GPL
28: * Version 2] license." If you don't indicate a single choice of license, a
29: * recipient has the option to distribute your version of this file under
30: * either the CDDL, the GPL Version 2 or to extend the choice of license to
31: * its licensees as provided above. However, if you add GPL Version 2 code
32: * and therefore, elected the GPL Version 2 license, then the option applies
33: * only if the new code is made subject to such option by the copyright
34: * holder.
35: */
36: package javax.persistence;
37:
38: import java.lang.annotation.Target;
39: import java.lang.annotation.Retention;
40: import static java.lang.annotation.ElementType.TYPE;
41: import static java.lang.annotation.ElementType.METHOD;
42: import static java.lang.annotation.ElementType.FIELD;
43: import static java.lang.annotation.RetentionPolicy.RUNTIME;
44:
45: /**
46: * This annotation is used to override mappings of multiple
47: * many-to-one or one-to-one relationship properties or fields.
48: *
49: * <pre>
50: *
51: * Example:
52: * @MappedSuperclass
53: * public class Employee {
54: *
55: * @Id protected Integer id;
56: * @Version protected Integer version;
57: * @ManyToOne protected Address address;
58: * @OneToOne protected Locker locker;
59: *
60: * public Integer getId() { ... }
61: * public void setId(Integer id) { ... }
62: * public Address getAddress() { ... }
63: * public void setAddress(Address address) { ... }
64: * public Locker getLocker() { ... }
65: * public void setLocker(Locker locker) { ... }
66: *
67: * }
68: *
69: * @Entity
70: * @AssociationOverrides({
71: *
72: * @AssociationOverride(name="address",
73: * joinColumns=@JoinColumn("ADDR_ID")),
74: * @AttributeOverride(name="locker",
75: * joinColumns=@JoinColumn("LCKR_ID"))})
76: * public PartTimeEmployee { ... }
77: * </pre>
78: *
79: * @since Java Persistence 1.0
80: */
81: @Target({TYPE,METHOD,FIELD})
82: @Retention(RUNTIME)
83: public @interface AssociationOverrides {
84:
85: /** Mapping overrides of relationship properties or fields */
86: AssociationOverride[] value();
87: }
|