Package org.apache.qpid.server.protocol.v0_8.handler

Source Code of org.apache.qpid.server.protocol.v0_8.handler.BasicRecoverMethodHandler

/*
*
* 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.protocol.v0_8.handler;

import org.apache.log4j.Logger;

import org.apache.qpid.AMQException;
import org.apache.qpid.framing.AMQMethodBody;
import org.apache.qpid.framing.BasicRecoverBody;
import org.apache.qpid.framing.ProtocolVersion;
import org.apache.qpid.framing.amqp_8_0.MethodRegistry_8_0;
import org.apache.qpid.server.protocol.v0_8.AMQChannel;
import org.apache.qpid.server.protocol.v0_8.AMQProtocolSession;
import org.apache.qpid.server.protocol.v0_8.state.AMQStateManager;
import org.apache.qpid.server.protocol.v0_8.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();
            channel.sync();
            session.writeFrame(recoverOk.generateFrame(channelId));

        }

    }
}
TOP

Related Classes of org.apache.qpid.server.protocol.v0_8.handler.BasicRecoverMethodHandler

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.