| /******************************************************************************* |
| * Copyright (c) 2011 - 2013 Oracle Corporation. 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. |
| * |
| * Contributors: |
| * Linda DeMichiel - Java Persistence 2.1 |
| * |
| ******************************************************************************/ |
| |
| package javax.persistence; |
| |
| import java.lang.annotation.Target; |
| import java.lang.annotation.Retention; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| |
| /** |
| * A <code>NamedSubgraph</code> is a member element of a |
| * <code>NamedEntityGraph</code>. The <code>NamedSubgraph</code> is |
| * only referenced from within a NamedEntityGraph and can not be |
| * referenced independently. It is referenced by its <code>name</code> |
| * from a <code>NamedAttributeNode</code> element of the |
| * <code>NamedEntityGraph</code>. |
| * |
| * @see NamedEntityGraph |
| * @see NamedAttributeNode |
| * |
| * @since Java Persistence 2.1 |
| */ |
| @Target({}) |
| @Retention(RUNTIME) |
| public @interface NamedSubgraph { |
| |
| /** |
| * (Required) The name of the subgraph as referenced from a |
| * NamedAttributeNode element. |
| */ |
| String name(); |
| |
| /** |
| * (Optional) The type represented by this subgraph. The element |
| * must be specified when this subgraph is extending a definition |
| * on behalf of a subclass. |
| */ |
| Class type() default void.class; |
| |
| /** |
| * (Required) The list of the attributes of the class that must |
| * be included. If the named subgraph corresponds to a subclass |
| * of the class referenced by the corresponding attribute node, |
| * then only subclass-specific attributes are listed. |
| */ |
| NamedAttributeNode[] attributeNodes(); |
| } |
| |
| |