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 *     Nuxeo - initial API and implementation
018 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.core.query.sql.model;
023
024import java.util.List;
025
026/**
027 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
028 */
029public class GroupByClause extends Clause {
030
031    private static final long serialVersionUID = 3007583185472406626L;
032
033    public final String[] elements;
034
035    public GroupByClause() {
036        super("GROUP BY");
037        elements = new String[0];
038    }
039
040    public GroupByClause(String[] groupBy) {
041        super("GROUP BY");
042        elements = groupBy;
043    }
044
045    public GroupByClause(String groupBy) {
046        super("GROUP BY");
047        elements = new String[] { groupBy };
048    }
049
050    public GroupByClause(List<String> groupBy) {
051        super("GROUP BY");
052        elements = groupBy.toArray(new String[groupBy.size()]);
053    }
054
055    @Override
056    public void accept(IVisitor visitor) {
057        visitor.visitGroupByClause(this);
058    }
059
060}