001/*
002 * (C) Copyright 2006-2016 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 */
019package org.nuxeo.ecm.core.query.sql.model;
020
021import java.util.ArrayList;
022import java.util.List;
023import java.util.stream.Collectors;
024
025/**
026 * @author Florent Guillaume
027 */
028public class OrderByList extends ArrayList<OrderByExpr> implements Operand {
029
030    private static final long serialVersionUID = 1L;
031
032    /**
033     * Empty constructor.
034     *
035     * @since 10.3
036     */
037    public OrderByList() {
038    }
039
040    /**
041     * Copy constructor.
042     *
043     * @since 10.3
044     */
045    public OrderByList(List<OrderByExpr> other) {
046        super(other);
047    }
048
049    public OrderByList(OrderByExpr expr) {
050        add(expr);
051    }
052
053    @Override
054    public void accept(IVisitor visitor) {
055        visitor.visitOrderByList(this);
056    }
057
058    @Override
059    public String toString() {
060        return stream().map(OrderByExpr::toString).collect(Collectors.joining(", "));
061    }
062
063}