/// <summary>
/// Runs when any of <see cref="InputBlock"/>, <see cref="InnerBlock"/> or <see cref="OutputBlock"/> faults
/// </summary>
/// <param name="faultedTask">Completion property of the faulted DataflowBlock</param>
private void OnAnyBlockFaulted(Task faultedTask)
{
// When one of the three DataflowBlocks faults, the faulted state is propagated to the following
// DataflowBlocks, but not to the preceding DataflowBlocks. In this case we therefore fault all DataflowBlocks
// that are not yet in a faulted state to ensure that all DataflowBlocks are completed and release their resources.
if (!InputBlock.Completion.IsFaulted)
{
InputBlock.Fault(faultedTask.Exception);
}
if (!InnerBlock.Completion.IsFaulted)
{
InnerBlock.Fault(faultedTask.Exception);
}
if (!OutputBlock.Completion.IsFaulted)
{
OutputBlock.Fault(faultedTask.Exception);
}
}
internal SourceBlock(IPropagatorBlock <TOutput, TOutput> block)
{
if (block == null)
{
throw new ArgumentNullException("block");
}
_block = block;
_task = new Task(() => Produce(_block, _tokenSource.Token), TaskCreationOptions.LongRunning);
_task.ContinueWith(t => _block.Fault(t.Exception), TaskContinuationOptions.OnlyOnFaulted);
}
public void Fault(Exception exception)
{
_timeoutBlock.Fault(exception);
}
public void Fault(Exception exception)
{
_block.Fault(exception);
}
public void Fault_Calls_Underlying_Target_Block_Method()
{
_block.Fault(new Exception());
_fakeBlock.Verify(b => b.Fault(It.IsAny <Exception>()), Times.Once());
}
protected override void OnFault(Exception exception)
{
responseBuffer.Fault(exception);
requestBuffer.Fault(exception);
}
void IDataflowBlock.Fault(Exception exception) => _propagatorBlock.Fault(exception);
void IDataflowBlock.Fault(Exception exception)
{
bufferBlock.Fault(exception);
}
public void Fault(Exception exception)
{
internalBlock.Fault(exception);
}
void IDataflowBlock.Fault(Exception exception)
{
output.Fault(exception);
}
void IDataflowBlock.Fault(Exception exception)
{
transformRightBlock.Fault(exception);
transformLeftBlock.Fault(exception);
}
/// <summary>
/// Causes the <see cref="T:System.Threading.Tasks.Dataflow.IDataflowBlock" /> to complete in a <see cref="F:System.Threading.Tasks.TaskStatus.Faulted" /> state.
/// </summary>
/// <param name="exception">The <see cref="T:System.Exception" /> that caused the faulting.</param>
public void Fault(Exception exception)
{
_BatchBlock.Fault(exception);
}
void IDataflowBlock.Fault(Exception exception)
{
internalBlock.Fault(exception);
}
public void Fault(Exception exception)
{
_tokenSource.Cancel();
_block.Fault(exception);
}