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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.handler;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.BasicRecoverBody;
import org.apache.qpid.framing.BasicRecoverOkBody;
import org.apache.qpid.framing.ProtocolVersion;
import org.apache.qpid.framing.AMQMethodBody;
import org.apache.qpid.framing.amqp_8_0.MethodRegistry_8_0;
import org.apache.qpid.protocol.AMQMethodEvent;
import org.apache.qpid.server.AMQChannel;
import org.apache.qpid.server.protocol.AMQProtocolSession;
import org.apache.qpid.server.state.AMQStateManager;
import org.apache.qpid.server.state.StateAwareMethodListener;
public class BasicRecoverMethodHandler implements StateAwareMethodListener<BasicRecoverBody>
{
private static final Logger _logger = Logger.getLogger(BasicRecoverMethodHandler.class);
private static final BasicRecoverMethodHandler _instance = new BasicRecoverMethodHandler();
public static BasicRecoverMethodHandler getInstance()
{
return _instance;
}
public void methodReceived(AMQStateManager stateManager, BasicRecoverBody body, int channelId) throws AMQException
{
AMQProtocolSession session = stateManager.getProtocolSession();
_logger.debug("Recover received on protocol session " + session + " and channel " + channelId);
AMQChannel channel = session.getChannel(channelId);
if (channel == null)
{
throw body.getChannelNotFoundException(channelId);
}
channel.resend(body.getRequeue());
// Qpid 0-8 hacks a synchronous -ok onto recover.
// In Qpid 0-9 we create a separate sync-recover, sync-recover-ok pair to be "more" compliant
if(session.getProtocolVersion().equals(ProtocolVersion.v8_0))
{
MethodRegistry_8_0 methodRegistry = (MethodRegistry_8_0) session.getMethodRegistry();
AMQMethodBody recoverOk = methodRegistry.createBasicRecoverOkBody();
session.writeFrame(recoverOk.generateFrame(channelId));
}
}
}
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