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package org.apache.qpid.server.handler;
import org.apache.log4j.Logger;
import org.apache.qpid.framing.BasicRecoverBody;
import org.apache.qpid.framing.ProtocolVersion;
import org.apache.qpid.framing.AMQMethodBody;
import org.apache.qpid.framing.BasicRecoverSyncBody;
import org.apache.qpid.framing.amqp_0_9.MethodRegistry_0_9;
import org.apache.qpid.framing.amqp_8_0.MethodRegistry_8_0;
import org.apache.qpid.server.state.StateAwareMethodListener;
import org.apache.qpid.server.state.AMQStateManager;
import org.apache.qpid.server.protocol.AMQProtocolSession;
import org.apache.qpid.server.AMQChannel;
import org.apache.qpid.AMQException;
public class BasicRecoverSyncMethodHandler implements StateAwareMethodListener<BasicRecoverSyncBody>
{
private static final Logger _logger = Logger.getLogger(BasicRecoverSyncMethodHandler.class);
private static final BasicRecoverSyncMethodHandler _instance = new BasicRecoverSyncMethodHandler();
public static BasicRecoverSyncMethodHandler getInstance()
{
return _instance;
}
public void methodReceived(AMQStateManager stateManager, BasicRecoverSyncBody 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.v0_9))
{
MethodRegistry_0_9 methodRegistry = (MethodRegistry_0_9) session.getMethodRegistry();
AMQMethodBody recoverOk = methodRegistry.createBasicRecoverSyncOkBody();
session.writeFrame(recoverOk.generateFrame(channelId));
}
}
}
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