| /* |
| * 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 |
| package org.eclipse.persistence.annotations; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| |
| 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; |
| |
| /** |
| * Partitioning is used to partition the data for a class across multiple difference databases |
| * or across a database cluster such as Oracle RAC. |
| * Partitioning can provide improved scalability by allowing multiple database machines to service requests. |
| * This annotation configures the named partitioning policy to be used for this Entity or relationship. |
| * <p> |
| * Partitioning can be enabled on an Entity, relationship, query, or session/persistence unit. |
| * |
| * @see Partitioning |
| * @see RoundRobinPartitioning |
| * @see ReplicationPartitioning |
| * @see RangePartitioning |
| * @see ValuePartitioning |
| * @see HashPartitioning |
| * @see PinnedPartitioning |
| * @see UnionPartitioning |
| * @see org.eclipse.persistence.descriptors.partitioning.PartitioningPolicy |
| * @author James Sutherland |
| * @since EclipseLink 2.2 |
| */ |
| @Target({TYPE, METHOD, FIELD}) |
| @Retention(RUNTIME) |
| public @interface Partitioned { |
| /** |
| * (Required) name of partitioning policy to use. |
| */ |
| String value(); |
| } |