| /* |
| * 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: |
| // 04/15/2008-1.0M7 Guy Pelletier |
| // - 226517: Add existence support to the EclipseLink-ORM.XML Schema |
| package org.eclipse.persistence.annotations; |
| |
| /** |
| * An enum that is used within the ExistenceChecking annotation. |
| * |
| * @see org.eclipse.persistence.annotations.ExistenceChecking |
| * @see org.eclipse.persistence.queries.DoesExistQuery |
| * @author Guy Pelletier |
| * @since EclipseLink 1.0 |
| */ |
| public enum ExistenceType { |
| /** |
| * Assume that if the objects primary key does not include null and it |
| * is in the cache, then it must exist. |
| */ |
| CHECK_CACHE, |
| |
| /** |
| * Perform does exist check on the database. |
| */ |
| CHECK_DATABASE, |
| |
| /** |
| * Assume that if the objects primary key does not include null then it |
| * must exist. This may be used if the application guarantees or does not |
| * care about the existence check. |
| */ |
| ASSUME_EXISTENCE, |
| |
| /** |
| * Assume that the object does not exist. This may be used if the |
| * application guarantees or does not care about the existence check. |
| * This will always force an insert to be called. |
| */ |
| ASSUME_NON_EXISTENCE |
| } |
