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.server.ldap.handlers;
021
022
023import org.apache.directory.api.ldap.model.cursor.Cursor;
024import org.apache.directory.api.ldap.model.entry.Entry;
025import org.apache.directory.api.ldap.model.message.AbandonListener;
026import org.apache.directory.api.ldap.model.message.AbandonableRequest;
027import org.apache.directory.server.core.api.event.DirectoryListener;
028import org.apache.directory.server.ldap.LdapServer;
029import org.slf4j.Logger;
030import org.slf4j.LoggerFactory;
031
032
033/**
034 * An AbandonListener implementation which closes an associated cursor or
035 * removes a DirectoryListener.
036 *
037 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
038 */
039public class SearchAbandonListener implements AbandonListener
040{
041    private static final Logger LOG = LoggerFactory.getLogger( SearchAbandonListener.class );
042    private final LdapServer ldapServer;
043    private Cursor<Entry> cursor;
044    private DirectoryListener listener;
045
046
047    public SearchAbandonListener( LdapServer ldapServer, Cursor<Entry> cursor, DirectoryListener listener )
048    {
049        if ( ldapServer == null )
050        {
051            throw new IllegalArgumentException( "ldapServer" );
052        }
053
054        this.ldapServer = ldapServer;
055        this.cursor = cursor;
056        this.listener = listener;
057    }
058
059
060    public SearchAbandonListener( LdapServer ldapServer, DirectoryListener listener )
061    {
062        this( ldapServer, null, listener );
063    }
064
065
066    public SearchAbandonListener( LdapServer ldapServer, Cursor<Entry> cursor )
067    {
068        this( ldapServer, cursor, null );
069    }
070
071
072    public void requestAbandoned( AbandonableRequest req )
073    {
074        if ( listener != null )
075        {
076            ldapServer.getDirectoryService().getEventService().removeListener( listener );
077        }
078    }
079}