/*
* Copyright 2005-2014 Red Hat, Inc.
* Red Hat 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.hornetq.core.protocol.proton;
import org.apache.qpid.proton.amqp.Symbol;
import org.apache.qpid.proton.amqp.messaging.Rejected;
import org.apache.qpid.proton.amqp.transaction.Coordinator;
import org.apache.qpid.proton.amqp.transport.ErrorCondition;
import org.apache.qpid.proton.engine.Delivery;
import org.apache.qpid.proton.engine.Receiver;
import org.hornetq.api.core.HornetQBuffer;
import org.hornetq.core.protocol.proton.exceptions.HornetQAMQPException;
/**
* handles an amqp Coordinator to deal with transaction boundaries etc
*/
public class TransactionHandler implements ProtonDeliveryHandler
{
private final ProtonRemotingConnection connection;
private final Coordinator coordinator;
private final ProtonProtocolManager protonProtocolManager;
private final ProtonSession protonSession;
private final HornetQBuffer buffer;
public TransactionHandler(ProtonRemotingConnection connection, Coordinator coordinator, ProtonProtocolManager protonProtocolManager, ProtonSession protonSession)
{
this.connection = connection;
this.coordinator = coordinator;
this.protonProtocolManager = protonProtocolManager;
this.protonSession = protonSession;
buffer = connection.createBuffer(1024);
}
@Override
public void onMessage(Delivery delivery) throws HornetQAMQPException
{
Receiver receiver = null;
try
{
receiver = ((Receiver) delivery.getLink());
if (!delivery.isReadable())
{
return;
}
protonProtocolManager.handleTransaction(receiver, buffer, delivery, protonSession);
}
catch (Exception e)
{
e.printStackTrace();
Rejected rejected = new Rejected();
ErrorCondition condition = new ErrorCondition();
condition.setCondition(Symbol.valueOf("failed"));
condition.setDescription(e.getMessage());
rejected.setError(condition);
delivery.disposition(rejected);
}
}
@Override
public void checkState()
{
//noop
}
@Override
public void close() throws HornetQAMQPException
{
//noop
}
}