| /* |
| * 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; |
| |
| /** |
| * This {@link ExpressionVisitor} traverses the entire hierarchy of the JPQL parsed tree by going |
| * down into each of the children of any given {@link Expression}. It is up to the subclass to |
| * complete the behavior. |
| * |
| * @version 2.4 |
| * @since 2.3 |
| * @author Pascal Filion |
| */ |
| public abstract class AbstractTraverseChildrenVisitor extends AnonymousExpressionVisitor { |
| |
| @Override |
| protected final void visit(Expression expression) { |
| expression.acceptChildren(this); |
| } |
| } |