| /* |
| * Copyright (c) 2008, 2018 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: |
| // Petros Splinakis - Java Persistence 2.2 |
| // Linda DeMichiel - Java Persistence 2.1 |
| // Linda DeMichiel - Java Persistence 2.0 |
| |
| package javax.persistence; |
| |
| import java.lang.annotation.Repeatable; |
| import java.lang.annotation.Target; |
| import static java.lang.annotation.ElementType.*; |
| import java.lang.annotation.Retention; |
| import static java.lang.annotation.RetentionPolicy.*; |
| |
| |
| /** |
| * Expresses a dependency on an {@link EntityManagerFactory} and its |
| * associated persistence unit. |
| * |
| * @since Java Persistence 1.0 |
| */ |
| @Repeatable(PersistenceUnits.class) |
| @Target({TYPE, METHOD, FIELD}) |
| @Retention(RUNTIME) |
| public @interface PersistenceUnit { |
| |
| /** |
| * (Optional) The name by which the entity manager factory is to be accessed |
| * in the environment referencing context; not needed when |
| * dependency injection is used. |
| */ |
| String name() default ""; |
| |
| /** |
| * (Optional) The name of the persistence unit as defined in the |
| * <code>persistence.xml</code> file. If specified, the |
| * persistence unit for the entity manager factory that is |
| * accessible in JNDI must have the same name. |
| */ |
| String unitName() default ""; |
| |
| } |