001/*
002 *   Licensed to the Apache Software Foundation (ASF) under one
003 *   or more contributor license agreements.  See the NOTICE file
004 *   distributed with this work for additional information
005 *   regarding copyright ownership.  The ASF licenses this file
006 *   to you under the Apache License, Version 2.0 (the
007 *   "License"); you may not use this file except in compliance
008 *   with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *   Unless required by applicable law or agreed to in writing,
013 *   software distributed under the License is distributed on an
014 *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *   KIND, either express or implied.  See the License for the
016 *   specific language governing permissions and limitations
017 *   under the License.
018 *
019 */
020package org.apache.directory.api.ldap.model.message.controls;
021
022
023import java.util.ArrayList;
024import java.util.List;
025
026
027/**
028 * Implementation of SortRequestControl.
029 *
030 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
031 */
032public class SortRequestControlImpl extends AbstractControl implements SortRequest
033{
034    /**
035     * the list of sort keys
036     */
037    private List<SortKey> sortKeys;
038
039
040    /**
041     * Creates a new SortRequestControlImpl instance
042     */
043    public SortRequestControlImpl()
044    {
045        super( OID );
046    }
047
048
049    /**
050     * @return the sortKeys
051     */
052    @Override
053    public List<SortKey> getSortKeys()
054    {
055        return sortKeys;
056    }
057
058
059    /**
060     * @param sortKeys the sortKeys to set
061     */
062    @Override
063    public void setSortKeys( List<SortKey> sortKeys )
064    {
065        this.sortKeys = sortKeys;
066    }
067
068
069    /**
070     * {@inheritDoc}
071     */
072    @Override
073    public void addSortKey( SortKey skey )
074    {
075        if ( sortKeys == null )
076        {
077            sortKeys = new ArrayList<>();
078        }
079
080        sortKeys.add( skey );
081    }
082
083
084    /**
085     * {@inheritDoc}
086     */
087    @Override
088    public String toString()
089    {
090        return "SortRequestControlImpl [sortKeys=" + sortKeys + "]";
091    }
092}