| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.server.ldap.handlers; |
| |
| |
| import org.apache.directory.server.core.event.DirectoryListener; |
| import org.apache.directory.server.core.filtering.EntryFilteringCursor; |
| import org.apache.directory.server.i18n.I18n; |
| import org.apache.directory.server.ldap.LdapServer; |
| import org.apache.directory.shared.ldap.model.exception.OperationAbandonedException; |
| import org.apache.directory.shared.ldap.model.message.AbandonListener; |
| import org.apache.directory.shared.ldap.model.message.AbandonableRequest; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * An AbandonListener implementation which closes an associated cursor or |
| * removes a DirectoryListener. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class SearchAbandonListener implements AbandonListener |
| { |
| private static final Logger LOG = LoggerFactory.getLogger( SearchAbandonListener.class ); |
| private final LdapServer ldapServer; |
| private EntryFilteringCursor cursor; |
| private DirectoryListener listener; |
| |
| |
| public SearchAbandonListener( LdapServer ldapServer, EntryFilteringCursor cursor, DirectoryListener listener ) |
| { |
| if ( ldapServer == null ) |
| { |
| throw new IllegalArgumentException( "ldapServer" ); |
| } |
| |
| this.ldapServer = ldapServer; |
| this.cursor = cursor; |
| this.listener = listener; |
| } |
| |
| |
| public SearchAbandonListener( LdapServer ldapServer, DirectoryListener listener ) |
| { |
| this ( ldapServer, null, listener ); |
| } |
| |
| |
| public SearchAbandonListener( LdapServer ldapServer, EntryFilteringCursor cursor ) |
| { |
| this ( ldapServer, cursor, null ); |
| } |
| |
| |
| public void requestAbandoned( AbandonableRequest req ) |
| { |
| if ( listener != null ) |
| { |
| ldapServer.getDirectoryService().getEventService().removeListener( listener ); |
| } |
| |
| try |
| { |
| if ( cursor != null ) |
| { |
| /* |
| * When this method is called due to an abandon request it |
| * will close the cursor but other threads processing the |
| * search will get an OperationAbandonedException which as |
| * seen below will make sure the proper handling is |
| * performed. |
| */ |
| cursor.close( new OperationAbandonedException() ); |
| } |
| } |
| catch ( Exception e ) |
| { |
| LOG.error( I18n.err( I18n.ERR_166, req.getMessageId() ), e ); |
| } |
| } |
| } |
| |
| |