/// <summary>Obtain a RabbitMQ Channel that is synchronized with the current transaction, if any.</summary>
/// <param name="connectionFactory">The connection factory.</param>
/// <param name="resourceFactory">The resource factory.</param>
/// <returns>The transactional Channel, or null if none found.</returns>
private static RabbitResourceHolder DoGetTransactionalResourceHolder(IConnectionFactory connectionFactory, IResourceFactory resourceFactory)
{
AssertUtils.ArgumentNotNull(connectionFactory, "ConnectionFactory must not be null");
AssertUtils.ArgumentNotNull(resourceFactory, "ResourceFactory must not be null");
var resourceHolder = (RabbitResourceHolder)TransactionSynchronizationManager.GetResource(connectionFactory);
if (resourceHolder != null)
{
var tempchannel = resourceFactory.GetChannel(resourceHolder);
if (tempchannel != null)
{
return(resourceHolder);
}
}
var resourceHolderToUse = resourceHolder;
if (resourceHolderToUse == null)
{
resourceHolderToUse = new RabbitResourceHolder();
}
var connection = resourceFactory.GetConnection(resourceHolderToUse);
IModel channel = null;
try
{
var isExistingCon = connection != null;
if (!isExistingCon)
{
connection = resourceFactory.CreateConnection();
resourceHolderToUse.AddConnection(connection);
}
channel = consumerChannel.Value;
if (channel == null)
{
channel = resourceFactory.CreateChannel(connection);
}
resourceHolderToUse.AddChannel(channel, connection);
if (resourceHolderToUse != resourceHolder)
{
BindResourceToTransaction(resourceHolderToUse, connectionFactory, resourceFactory.IsSynchedLocalTransactionAllowed);
}
return(resourceHolderToUse);
}
catch (Exception ex)
{
RabbitUtils.CloseChannel(channel);
RabbitUtils.CloseConnection(connection);
throw new AmqpIOException(ex);
}
}
/// <summary>
/// Obtain a RabbitMQ Channel that is synchronized with the current transaction, if any.
/// </summary>
/// <param name="connectionFactory">
/// The connection factory.
/// </param>
/// <param name="resourceFactory">
/// The resource factory.
/// </param>
/// <returns>
/// The transactional Channel, or null if none found.
/// </returns>
/// <exception cref="AmqpException">
/// </exception>
private static RabbitResourceHolder DoGetTransactionalResourceHolder(IConnectionFactory connectionFactory, IResourceFactory resourceFactory)
{
AssertUtils.ArgumentNotNull(connectionFactory, "ConnectionFactory must not be null");
AssertUtils.ArgumentNotNull(resourceFactory, "ResourceFactory must not be null");
var resourceHolder = (RabbitResourceHolder)TransactionSynchronizationManager.GetResource(connectionFactory);
if (resourceHolder != null)
{
var tempchannel = resourceFactory.GetChannel(resourceHolder);
if (tempchannel != null)
{
return resourceHolder;
}
}
var resourceHolderToUse = resourceHolder;
if (resourceHolderToUse == null)
{
resourceHolderToUse = new RabbitResourceHolder();
}
var connection = resourceFactory.GetConnection(resourceHolderToUse);
IModel channel = null;
try
{
bool isExistingCon = connection != null;
if (!isExistingCon)
{
connection = resourceFactory.CreateConnection();
resourceHolderToUse.AddConnection(connection);
}
channel = resourceFactory.CreateChannel(connection);
resourceHolderToUse.AddChannel(channel, connection);
if (resourceHolderToUse != resourceHolder)
{
BindResourceToTransaction(resourceHolderToUse, connectionFactory, resourceFactory.IsSynchedLocalTransactionAllowed);
}
return resourceHolderToUse;
}
catch (Exception ex)
{
RabbitUtils.CloseChannel(channel);
RabbitUtils.CloseConnection(connection);
throw;
}
}
private static RabbitResourceHolder DoGetTransactionalResourceHolder(IConnectionFactory connectionFactory, IResourceFactory resourceFactory)
{
if (connectionFactory == null)
{
throw new ArgumentNullException(nameof(connectionFactory));
}
if (resourceFactory == null)
{
throw new ArgumentNullException(nameof(resourceFactory));
}
var resourceHolder = (RabbitResourceHolder)TransactionSynchronizationManager.GetResource(connectionFactory);
if (resourceHolder != null)
{
var model = resourceFactory.GetChannel(resourceHolder);
if (model != null)
{
return(resourceHolder);
}
}
var resourceHolderToUse = resourceHolder;
if (resourceHolderToUse == null)
{
resourceHolderToUse = new RabbitResourceHolder();
}
var connection = resourceFactory.GetConnection(resourceHolderToUse);
IModel channel;
try
{
/*
* If we are in a listener container, first see if there's a channel registered
* for this consumer and the consumer is using the same connection factory.
*/
channel = ConsumerChannelRegistry.GetConsumerChannel(connectionFactory);
if (channel == null && connection == null)
{
connection = resourceFactory.CreateConnection2();
if (resourceHolder == null)
{
/*
* While creating a connection, a connection listener might have created a
* transactional channel and bound it to the transaction.
*/
resourceHolder = (RabbitResourceHolder)TransactionSynchronizationManager.GetResource(connectionFactory);
if (resourceHolder != null)
{
channel = resourceHolder.GetChannel();
resourceHolderToUse = resourceHolder;
}
}
resourceHolderToUse.AddConnection(connection);
}
if (channel == null)
{
channel = resourceFactory.CreateChannel(connection);
}
resourceHolderToUse.AddChannel(channel, connection);
if (!resourceHolderToUse.Equals(resourceHolder))
{
BindResourceToTransaction(resourceHolderToUse, connectionFactory, resourceFactory.IsSynchedLocalTransactionAllowed);
}
return(resourceHolderToUse);
}
catch (IOException ex)
{
RabbitUtils.CloseConnection(connection);
throw new AmqpIOException(ex);
}
}
