public T Execute <T>(ClientSessionCallbackDelegate <T> action)
{
AssertUtils.ArgumentNotNull(action, "Callback object must not be null");
IClient clientToClose = null;
IClientSession sessionToClose = null;
try
{
IClientSession channelToUse = ClientFactoryUtils
.DoGetTransactionalSession(ClientFactory,
this.transactionalResourceFactory);
if (channelToUse == null)
{
clientToClose = CreateClient();
sessionToClose = CreateChannel(clientToClose);
channelToUse = sessionToClose;
}
if (logger.IsDebugEnabled)
{
logger.Debug("Executing callback on RabbitMQ Channel: " + channelToUse);
}
return(action(channelToUse));
}
catch (Exception ex)
{
throw;
//TOOD convertRabbitAccessException(ex) ?
}
finally
{
QpidUtils.CloseChannel(sessionToClose);
ClientFactoryUtils.ReleaseConnection(clientToClose, ClientFactory);
}
}
protected virtual void DoSend(IClientSession channel, string exchange, string routingKey, IMessageCreator messageCreator,
MessageCreatorDelegate messageCreatorDelegate)
{
AssertUtils.IsTrue((messageCreator == null && messageCreatorDelegate != null) ||
(messageCreator != null && messageCreatorDelegate == null), "Must provide a MessageCreatorDelegate or IMessageCreator instance.");
Message message;
if (messageCreator != null)
{
message = messageCreator.CreateMessage();
}
else
{
message = messageCreatorDelegate();
}
if (exchange == null)
{
// try to send to default exchange
exchange = this.exchange;
}
if (routingKey == null)
{
// try to send to default routing key
routingKey = this.routingKey;
}
/* org.apache.qpid.client.IMessage message = new org.apache.qpid.client.Message();
* message.ClearData();
* message.AppendData(Encoding.UTF8.GetBytes("That's all, folks!"));
* session.MessageTransfer("amq.direct", "routing_key", message);
* session.Sync();
*
*/
org.apache.qpid.client.IMessage qpidMessage = new org.apache.qpid.client.Message();
qpidMessage.AppendData(message.Body);
qpidMessage.DeliveryProperties = QpidUtils.ExtractDeliveryProperties(message);
qpidMessage.DeliveryProperties.SetRoutingKey(routingKey);
qpidMessage.DeliveryProperties.SetExchange(exchange);
qpidMessage.DeliveryProperties.SetImmediate(this.immediatePublish);
//TODO where to set mandetoryPublish?
channel.MessageTransfer(exchange, routingKey, qpidMessage);
channel.Sync();
// TODO: should we be able to do (via wrapper) something like:
// channel.getTransacted()?
if (ChannelTransacted && ChannelLocallyTransacted(channel))
{
// Transacted channel created by this template -> commit.
QpidUtils.CommitIfNecessary(channel);
}
}
