001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Florent Guillaume
018 */
019
020package org.nuxeo.ecm.core.query.sql.model;
021
022import java.util.ArrayList;
023import java.util.List;
024
025import org.nuxeo.common.utils.StringUtils;
026
027/**
028 * @author Florent Guillaume
029 */
030public class OrderByList extends ArrayList<OrderByExpr> implements Operand {
031
032    private static final long serialVersionUID = 1L;
033
034    public OrderByList(OrderByExpr expr) {
035        add(expr);
036    }
037
038    @Override
039    public void accept(IVisitor visitor) {
040        visitor.visitOrderByList(this);
041    }
042
043    @Override
044    public String toString() {
045        List<String> list = new ArrayList<String>(size());
046        for (OrderByExpr expr : this) {
047            list.add(expr.toString());
048        }
049        return StringUtils.join(list, ", ");
050    }
051
052}