/******************************************************************************* * Copyright (c) 2006, 2015 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 v1.0 and Eclipse Distribution License v. 1.0 * which accompanies this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. * * Contributors: * Oracle - initial API and implementation * ******************************************************************************/ package org.eclipse.persistence.jpa.jpql.tools; import org.eclipse.persistence.jpa.jpql.LiteralVisitor; /** * This visitor traverses an {@link org.eclipse.persistence.jpa.jpql.parser.Expression Expression} * and retrieves the "literal" value. The literal to retrieve depends on the {@link * org.eclipse.persistence.jpa.jpql.LiteralType type}. The literal is basically a string value like * an identification variable name, an input parameter, a path expression, an abstract schema name, etc. * <p> * Provisional API: This interface is part of an interim API that is still under development and * expected to change significantly before reaching stability. It is available at this early stage * to solicit feedback from pioneering adopters on the understanding that any code that uses this * API will almost certainly be broken (repeatedly) as the API evolves. * * @version 2.4 * @since 2.3 * @author Pascal Filion */ public class DefaultLiteralVisitor extends LiteralVisitor { /** * Creates a new <code>DefaultLiteralVisitor</code>. */ public DefaultLiteralVisitor() { super(); } }