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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.handler;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.QueueDeclareBody;
import org.apache.qpid.server.exchange.ExchangeRegistry;
import org.apache.qpid.server.protocol.AMQMethodEvent;
import org.apache.qpid.server.protocol.AMQProtocolSession;
import org.apache.qpid.server.queue.QueueRegistry;
import org.apache.qpid.server.state.AMQStateManager;
/**
* Generates queue names for queues declared with no name.
*
*/
class QueueNameGenerator extends ClusterMethodHandler<QueueDeclareBody>
{
private final LocalQueueDeclareHandler _handler;
QueueNameGenerator(LocalQueueDeclareHandler handler)
{
_handler = handler;
}
protected void peer(AMQStateManager stateMgr, QueueRegistry queues, ExchangeRegistry exchanges, AMQProtocolSession session, AMQMethodEvent<QueueDeclareBody> evt) throws AMQException
{
}
protected void client(AMQStateManager stateMgr, QueueRegistry queues, ExchangeRegistry exchanges,
AMQProtocolSession session, AMQMethodEvent<QueueDeclareBody> evt)
throws AMQException
{
setName(evt.getMethod());//need to set the name before propagating this method
}
protected void setName(QueueDeclareBody body)
{
if (body.queue == null)
{
body.queue = _handler.createName();
}
}
}
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