| /* |
| * Copyright (c) 1998, 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: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.mappings.querykeys; |
| |
| /** |
| * <p> |
| * <b>Purpose</b>: Define an alias to a foreign one to one object. |
| * </p> |
| */ |
| public class OneToOneQueryKey extends ForeignReferenceQueryKey { |
| // CR#2466 removed joinCriteria because it is already in ForeignReferenceQueryKey - TW |
| |
| /** |
| * INTERNAL: |
| * override the isOneToOneQueryKey() method in the superclass to return true. |
| * @return boolean |
| */ |
| @Override |
| public boolean isOneToOneQueryKey() { |
| return true; |
| } |
| } |
