| /* |
| * 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; |
| |
| import org.eclipse.persistence.jpa.jpql.WordParser; |
| |
| /** |
| * This <code>IdentificationVariableDeclarationFactory</code> handles parsing the JPQL fragment |
| * within the <code><b>FROM</b></code> clause. |
| * |
| * @see IdentificationVariableDeclaration |
| * @see CollectionMemberDeclaration |
| * |
| * @version 2.4 |
| * @since 2.3 |
| * @author Pascal Filion |
| */ |
| @SuppressWarnings("nls") |
| public final class IdentificationVariableDeclarationFactory extends ExpressionFactory { |
| |
| /** |
| * The unique identifier of this {@link IdentificationVariableDeclarationFactory}. |
| */ |
| public static final String ID = "identification-variable-declaration"; |
| |
| /** |
| * Creates a new <code>IdentificationVariableDeclarationFactory</code>. |
| */ |
| public IdentificationVariableDeclarationFactory() { |
| super(ID); |
| } |
| |
| @Override |
| protected AbstractExpression buildExpression(AbstractExpression parent, |
| WordParser wordParser, |
| String word, |
| JPQLQueryBNF queryBNF, |
| AbstractExpression expression, |
| boolean tolerant) { |
| |
| if (word.equalsIgnoreCase(Expression.IN)) { |
| expression = new CollectionMemberDeclaration(parent); |
| } |
| else { |
| expression = new IdentificationVariableDeclaration(parent); |
| } |
| |
| expression.parse(wordParser, tolerant); |
| return expression; |
| } |
| } |