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/*
*
* 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.ack;
import java.util.List;
import java.util.Map;
public class UnacknowledgedMessageMapImpl implements UnacknowledgedMessageMap
{
private final Object _lock;
private Map<Long, UnacknowledgedMessage> _map;
public UnacknowledgedMessageMapImpl(Object lock, Map<Long, UnacknowledgedMessage> map)
{
_lock = lock;
_map = map;
}
public void collect(long deliveryTag, boolean multiple, List<UnacknowledgedMessage> msgs)
{
if (multiple)
{
collect(deliveryTag, msgs);
}
else
{
msgs.add(get(deliveryTag));
}
}
public void remove(List<UnacknowledgedMessage> msgs)
{
synchronized(_lock)
{
for(UnacknowledgedMessage msg : msgs)
{
_map.remove(msg.deliveryTag);
}
}
}
private UnacknowledgedMessage get(long key)
{
synchronized(_lock)
{
return _map.get(key);
}
}
private void collect(long key, List<UnacknowledgedMessage> msgs)
{
synchronized(_lock)
{
for(Map.Entry<Long, UnacknowledgedMessage> entry : _map.entrySet())
{
msgs.add(entry.getValue());
if (entry.getKey() == key)
{
break;
}
}
}
}
}
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