| /* |
| * 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 {@link NotExpressionFactory} creates a new {@link NotExpression} when the portion of the |
| * query to parse starts with <b>NOT</b>. If the text has another identifier that is negated, then |
| * the right expression will be created. |
| * |
| * @see NotExpression |
| * |
| * @version 2.4 |
| * @since 2.3 |
| * @author Pascal Filion |
| */ |
| public final class NotExpressionFactory extends ExpressionFactory { |
| |
| /** |
| * The unique identifier of this {@link NotExpressionFactory}. |
| */ |
| public static final String ID = Expression.NOT; |
| |
| /** |
| * Creates a new <code>NotExpressionFactory</code>. |
| */ |
| public NotExpressionFactory() { |
| super(ID, Expression.NOT); |
| } |
| |
| @Override |
| protected AbstractExpression buildExpression(AbstractExpression parent, |
| WordParser wordParser, |
| String word, |
| JPQLQueryBNF queryBNF, |
| AbstractExpression expression, |
| boolean tolerant) { |
| |
| // Skip 'NOT ' |
| int index = wordParser.position() + 3; |
| index += wordParser.whitespaceCount(index); |
| |
| // 'NOT IN' |
| if (wordParser.startsWithIdentifier(Expression.IN, index)) { |
| expression = new InExpression(parent, expression); |
| } |
| // 'NOT LIKE' |
| else if (wordParser.startsWithIdentifier(Expression.LIKE, index)) { |
| expression = new LikeExpression(parent, expression); |
| } |
| // 'NOT MEMBER' |
| else if (wordParser.startsWithIdentifier(Expression.MEMBER, index)) { |
| expression = new CollectionMemberExpression(parent, expression); |
| } |
| // 'NOT BETWEEN' |
| else if (wordParser.startsWithIdentifier(Expression.BETWEEN, index)) { |
| expression = new BetweenExpression(parent, expression); |
| } |
| // 'NOT EXISTS' |
| else if (wordParser.startsWithIdentifier(Expression.EXISTS, index)) { |
| expression = new ExistsExpression(parent); |
| } |
| // 'NOT' |
| else { |
| expression = new NotExpression(parent); |
| } |
| |
| expression.parse(wordParser, tolerant); |
| return expression; |
| } |
| } |