| /******************************************************************************* |
| * Copyright (c) 2005, 2009 Andrea Bittau, University College London, and others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Andrea Bittau - initial API and implementation from the PsychoPath XPath 2.0 |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.xml.xpath2.processor.internal.ast; |
| |
| /** |
| * The union class takes two node sequences as operands and return a sequence |
| * containing all the nodes that occur in either of the operands. |
| */ |
| public class UnionExpr extends BinExpr { |
| |
| /** |
| * Constructor for UnionExpr. |
| * |
| * @param l |
| * input1 xpath expression/variable. |
| * @param r |
| * unput2 xpath expression/variable. |
| */ |
| public UnionExpr(Expr l, Expr r) { |
| super(l, r); |
| } |
| |
| /** |
| * Support for Visitor interface. |
| * |
| * @return Result of Visitor operation. |
| */ |
| @Override |
| public Object accept(XPathVisitor v) { |
| return v.visit(this); |
| } |
| } |
