| /* |
| * Copyright (c) 2012, 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 |
| // |
| package org.eclipse.persistence.jpa.jpql; |
| |
| /** |
| * This extension provides additional support to semantic validation by adding support for non-JPA |
| * specific artifacts, such as database objects. |
| * |
| * @version 2.5 |
| * @since 2.5 |
| * @author Pascal Filion |
| */ |
| public interface EclipseLinkSemanticValidatorExtension { |
| |
| /** |
| * A <code>null</code>-instance of this extension. |
| */ |
| EclipseLinkSemanticValidatorExtension NULL_EXTENSION = new EclipseLinkSemanticValidatorExtension() { |
| @Override |
| public boolean columnExists(String tableName, String columnName) { |
| return false; |
| } |
| @Override |
| public String getEntityTable(String entityName) { |
| return null; |
| } |
| @Override |
| public boolean tableExists(String tableName) { |
| return false; |
| } |
| }; |
| |
| /** |
| * Determines whether the column with the given name exists or not in the table with the given name. |
| * |
| * @param tableName The name of the table to look for the column |
| * @param columnName The name of the column to determine its existence |
| * @return <code>true</code> if the column exists; <code>false</code> otherwise |
| */ |
| boolean columnExists(String tableName, String columnName); |
| |
| /** |
| * Returns the name of the primary table defined for the entity with the given name. |
| * |
| * @param entityName The name of the entity |
| * @return The name of the entity's primary table |
| */ |
| String getEntityTable(String entityName); |
| |
| /** |
| * Determines whether the table with the given exists or not. |
| * |
| * @param tableName The name of the table to determine its existence |
| * @return <code>true</code> if the table exists; <code>false</code> otherwise |
| */ |
| boolean tableExists(String tableName); |
| } |