| /* |
| * Copyright (c) 2011, 2020 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // James Sutherland - initial API and implementation |
| // 06/12/2017-2.7 Lukas Jungmann |
| // - 518155: [jpa22] add support for repeatable annotations |
| package org.eclipse.persistence.annotations; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| |
| import jakarta.persistence.GeneratedValue; |
| |
| import static java.lang.annotation.ElementType.FIELD; |
| import static java.lang.annotation.ElementType.METHOD; |
| import static java.lang.annotation.ElementType.TYPE; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| |
| import java.lang.annotation.Repeatable; |
| |
| /** |
| * Defines a primary key generator that may be |
| * referenced by name when a generator element is specified for |
| * the {@link GeneratedValue} annotation. A UUID generator |
| * may be specified on the entity class or on the primary key |
| * field or property. The scope of the generator name is global |
| * to the persistence unit (across all generator types). |
| * |
| * <pre> |
| * Example 1: |
| * |
| * @Entity public class Employee { |
| * ... |
| * @UuidGenerator(name="uuid") |
| * @Id |
| * @GeneratedValue(generator="uuid") |
| * int id; |
| * ... |
| * } |
| * </pre> |
| * |
| * @see jakarta.persistence.GeneratedValue |
| * @author James Sutherland |
| * @since EclipseLink 2.4 |
| */ |
| @Target({TYPE, METHOD, FIELD}) |
| @Retention(RUNTIME) |
| @Repeatable(UuidGenerators.class) |
| public @interface UuidGenerator { |
| /** |
| * The name of the UUID generator, names must be unique for the persistence unit. |
| */ |
| String name(); |
| |
| } |