/*
*
* 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.qpid.server.queue;
import org.apache.qpid.server.cluster.MembershipChangeListener;
import org.apache.qpid.server.cluster.MemberHandle;
import org.apache.qpid.server.cluster.GroupManager;
import org.apache.qpid.server.cluster.util.LogMessage;
import org.apache.log4j.Logger;
import java.util.List;
class SubscriberCleanup implements MembershipChangeListener
{
private static final Logger _logger = Logger.getLogger(SubscriberCleanup.class);
private final MemberHandle _subject;
private final ClusteredQueue _queue;
private final GroupManager _manager;
SubscriberCleanup(MemberHandle subject, ClusteredQueue queue, GroupManager manager)
{
_subject = subject;
_queue = queue;
_manager = manager;
_manager.addMemberhipChangeListener(this);
}
public void changed(List<MemberHandle> members)
{
if(!members.contains(_subject))
{
_queue.removeAllRemoteSubscriber(_subject);
_manager.removeMemberhipChangeListener(this);
_logger.info(new LogMessage("Removed {0} from {1}", _subject, _queue));
}
}
}