/*
 * 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 up the hierarchy. It is up to the subclass to complete
 * the behavior.
 *
 * @version 2.4
 * @since 2.3
 * @author Pascal Filion
 */
public abstract class AbstractTraverseParentVisitor extends AnonymousExpressionVisitor {

    @Override
    protected void visit(Expression expression) {
        expression.getParent().accept(this);
    }

    @Override
    public void visit(JPQLExpression expression) {
        // This is the root of the parsed tree
    }
}