| /* |
| * Copyright (c) 2006, 2021 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.parser; |
| |
| /** |
| * The query BNF for an identification variable declaration expression defined |
| * in a sub-select expression. |
| * |
| * <div><b>BNF:</b> <code>subselect_identification_variable_declaration ::= identification_variable_declaration | |
| * derived_path_expression [AS] identification_variable {join}* | |
| * derived_collection_member_declaration</code></div> |
| * |
| * @version 2.4 |
| * @since 2.3 |
| * @author Pascal Filion |
| */ |
| @SuppressWarnings("nls") |
| public final class SubSelectIdentificationVariableDeclarationBNF extends JPQLQueryBNF { |
| |
| /** |
| * The unique identifier of this BNF rule. |
| */ |
| public static final String ID = "subselect_identification_variable_declaration"; |
| |
| /** |
| * Creates a new <code>SubSelectIdentificationVariableDeclarationBNF</code>. |
| */ |
| public SubSelectIdentificationVariableDeclarationBNF() { |
| super(ID); |
| } |
| |
| @Override |
| protected void initialize() { |
| super.initialize(); |
| setFallbackBNFId(ID); |
| setFallbackExpressionFactoryId(IdentificationVariableDeclarationFactory.ID); |
| registerChild(IdentificationVariableDeclarationBNF.ID); |
| registerChild(DerivedCollectionMemberDeclarationBNF.ID); |
| } |
| } |