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 *     Nuxeo - initial API and implementation
011 *
012 * $Id$
013 */
014
015package org.nuxeo.ecm.core.query.sql.model;
016
017import java.util.List;
018
019/**
020 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
021 */
022public class GroupByClause extends Clause {
023
024    private static final long serialVersionUID = 3007583185472406626L;
025
026    public final String[] elements;
027
028    public GroupByClause() {
029        super("GROUP BY");
030        elements = new String[0];
031    }
032
033    public GroupByClause(String[] groupBy) {
034        super("GROUP BY");
035        elements = groupBy;
036    }
037
038    public GroupByClause(String groupBy) {
039        super("GROUP BY");
040        elements = new String[] { groupBy };
041    }
042
043    public GroupByClause(List<String> groupBy) {
044        super("GROUP BY");
045        elements = groupBy.toArray(new String[groupBy.size()]);
046    }
047
048    @Override
049    public void accept(IVisitor visitor) {
050        visitor.visitGroupByClause(this);
051    }
052
053}