001/*
002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     Nuxeo - initial API and implementation
011 *
012 * $Id$
013 */
014
015package org.nuxeo.ecm.core.query.sql.model;
016
017import java.io.Serializable;
018
019/**
020 * The base of all query nodes.
021 * <p>
022 * An AST method accepts a visitor and that's all.
023 *
024 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
025 */
026public interface ASTNode extends Serializable {
027
028    /**
029     * Accept the given visitor.
030     *
031     * @param visitor the AST node visitor
032     */
033    void accept(IVisitor visitor);
034
035}