public void Start(ISourceBlock sourceBlock)
{
if (m_Disposed)
{
throw new ObjectDisposedException(null, "DataflowNetwork already disposed.");
}
try
{
//Begin processing the soruce
StartProcessingSource(sourceBlock);
// Block and wait for all the dataflow-network constituents to complete their work.
var waitForTasks = PendingTasks.ToArray();
if (waitForTasks.Length > 0)
{
Task.WaitAll(waitForTasks.ToArray(), Cts.Token);
}
LogAgent.LogInfo(DataflowNetworkConstituent.Network, Name, "Network finished successfully.");
OutputStatistics();
LogAgent.Complete();
}
catch (AggregateException ex)
{
LogAgent.LogError(DataflowNetworkConstituent.Network, Name, ex.Flatten(), "The network encountered an unhandled exception.");
throw new DataflowNetworkFailedException("The datanetwork " + Name + " failed. See the inner exception for more details", ex);
}
catch (OperationCanceledException)
{
var exceptions = PendingTasks.Where(task => task.IsFaulted).Select(task => task.Exception);
foreach (var ex in exceptions)
{
LogAgent.LogError(DataflowNetworkConstituent.Network, Name, ex.Flatten(), "The network encountered an unhandled exception.");
}
}
catch (Exception ex)
{
LogAgent.LogError(DataflowNetworkConstituent.Network, Name, ex, "The network encountered an unhandled exception.");
throw new DataflowNetworkFailedException("The datanetwork " + Name + " failed. See the inner exception for more details", ex);
}
finally
{
DisposePendingTasks();
Dispose();
}
}
