/// <summary>
/// Completes the transaction scope by committing all enlisted transactions.
/// </summary>
public void Complete()
{
if (disposed)
{
throw new ObjectDisposedException(this.GetType().Name);
}
lock (transactionDictionary)
{
foreach (string transactionId in transactionDictionary.Keys)
{
try
{
AdapterTransaction transaction = transactionDictionary[transactionId];
if (transaction != null)
{
((ITransactional)transaction.Adapter).Commit(transaction);
transaction.State = TransactionState.Commited;
}
}
catch (MessageEngineException ex)
{
if ((MessageEngine.Instance.Tracing.Switch.Level & SourceLevels.Error) == SourceLevels.Error)
{
MessageEngine.Instance.Tracing.TraceData(TraceEventType.Error, 0, ex);
}
}
}
}
}
internal void EnlistTransaction(AdapterTransaction transaction)
{
lock (transactionDictionary)
{
transactionDictionary[transaction.TransactionId] = transaction;
}
}
/// <summary>
/// Aborts all transactions enlisted in the current scope.
/// </summary>
private void Abort()
{
lock (transactionDictionary)
{
foreach (string transactionId in transactionDictionary.Keys)
{
try
{
AdapterTransaction transaction = transactionDictionary[transactionId];
if ((transaction != null) && (transaction.State == TransactionState.Started))
{
((ITransactional)transaction.Adapter).Abort(transaction);
transaction.State = TransactionState.Aborted;
}
}
catch (MessageEngineException ex)
{
if ((MessageEngine.Instance.Tracing.Switch.Level & SourceLevels.Error) == SourceLevels.Error)
{
MessageEngine.Instance.Tracing.TraceData(TraceEventType.Error, 0, ex);
}
}
}
}
}
/// <summary>
/// Transmits a message.
/// </summary>
/// <param name="msg">The message to transmit.</param>
public void TransmitMessage(MultiPartMessage msg)
{
if (_isDisposed)
{
throw new ObjectDisposedException(this.GetType().Name);
}
if (!_isRunning)
{
throw new InvalidOperationException("Message Engine is not running.");
}
CheckMetadata(msg);
AdapterBase adapter = AdapterProxy.GetAdapterById(msg.Metadata.ReadAsString("SendAdapterId"));
ComponentPipeline pipeline = _sendPipelineDictionary[adapter];
Collection <MultiPartMessage> resultCollection = pipeline.Execute(msg);
if (resultCollection != null)
{
//Check if message should be part of a transaction
if (TransactionScope.Current != null)
{
if (adapter is ITransactional)
{
ITransactional transactionalAdapter = adapter as ITransactional;
AdapterTransaction transaction = transactionalAdapter.StartTransaction(resultCollection[0]);
transaction.State = TransactionState.Started;
TransactionScope.Current.EnlistTransaction(transaction);
transactionalAdapter.TransmitMessage(resultCollection[0], transaction);
}
else
{
throw new AdapterException("Adapter: \"" + adapter.AdapterId + "\" is not transactional.");
}
}
else
{
adapter.TransmitMessage(resultCollection[0]);
}
}
}
internal AdapterTransaction GetTransactionById(string transactionId)
{
AdapterTransaction transaction = null;
syncLock.AcquireReaderLock(MessageEngine.Instance.LockMillisecondsTimeout);
try
{
transactionDictionary.TryGetValue(transactionId, out transaction);
}
finally
{
syncLock.ReleaseReaderLock();
}
return(transaction);
}
