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 *     Florent Guillaume
011 */
012
013package org.nuxeo.ecm.core.query.sql.model;
014
015import java.util.ArrayList;
016import java.util.List;
017
018import org.nuxeo.common.utils.StringUtils;
019
020/**
021 * @author Florent Guillaume
022 */
023public class OrderByList extends ArrayList<OrderByExpr> implements Operand {
024
025    private static final long serialVersionUID = 1L;
026
027    public OrderByList(OrderByExpr expr) {
028        add(expr);
029    }
030
031    @Override
032    public void accept(IVisitor visitor) {
033        visitor.visitOrderByList(this);
034    }
035
036    @Override
037    public String toString() {
038        List<String> list = new ArrayList<String>(size());
039        for (OrderByExpr expr : this) {
040            list.add(expr.toString());
041        }
042        return StringUtils.join(list, ", ");
043    }
044
045}