| /* |
| * 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 <b>SELECT</b> statement queries data from entities. This version simply does not handle |
| * <b>OBJECT</b> and <b>NEW</b> identifiers. It is used from within another expression. |
| * |
| * <div><b>BNF:</b> <code>simple_select_clause ::= SELECT [DISTINCT] simple_select_expression</code></div> |
| * |
| * @see AbstractSelectClause |
| * |
| * @version 2.5 |
| * @since 2.3 |
| * @author Pascal Filion |
| */ |
| public final class SimpleSelectClause extends AbstractSelectClause { |
| |
| /** |
| * Creates a new <code>SimpleSelectClause</code>. |
| * |
| * @param parent The parent of this expression |
| */ |
| public SimpleSelectClause(AbstractExpression parent) { |
| super(parent); |
| } |
| |
| @Override |
| public void accept(ExpressionVisitor visitor) { |
| visitor.visit(this); |
| } |
| |
| @Override |
| public JPQLQueryBNF getQueryBNF() { |
| return getQueryBNF(SimpleSelectClauseBNF.ID); |
| } |
| |
| @Override |
| public String getSelectItemQueryBNFId() { |
| return InternalSimpleSelectExpressionBNF.ID; |
| } |
| } |