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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.cluster.replay;
import org.apache.qpid.framing.AMQMethodBody;
import org.apache.qpid.framing.BasicConsumeBody;
import java.util.Map;
import java.util.HashMap;
import java.util.List;
class ConsumerCounts
{
private final Map<String, Integer> _counts = new HashMap<String, Integer>();
synchronized void increment(String queue)
{
_counts.put(queue, get(queue) + 1);
}
synchronized void decrement(String queue)
{
_counts.put(queue, get(queue) - 1);
}
private int get(String queue)
{
Integer count = _counts.get(queue);
return count == null ? 0 : count;
}
synchronized void replay(List<AMQMethodBody> messages)
{
for(String queue : _counts.keySet())
{
BasicConsumeBody m = new BasicConsumeBody();
m.queue = queue;
m.consumerTag = queue;
replay(m, messages);
}
}
private void replay(BasicConsumeBody msg, List<AMQMethodBody> messages)
{
int count = _counts.get(msg.queue);
for(int i = 0; i < count; i++)
{
messages.add(msg);
}
}
}
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