public PipeLine(
DataflowOptions dataflowOptions,
int maxDegreeOfParallelism,
HttpClient client)
: base(dataflowOptions)
{
_client = client;
_dataflowOptions = dataflowOptions;
_options = dataflowOptions.ToExecutionBlockOption(true);
_options.MaxDegreeOfParallelism = maxDegreeOfParallelism;
_options.BoundedCapacity = 10000;
_options.MaxMessagesPerTask = 100;
_options.SingleProducerConstrained = true;
_requestBlock = new TransformBlock <string, HttpResponseMessage>(x =>
{
Interlocked.Increment(ref _totalOut);
Console.WriteLine("lines " + _totalOut);
var response = _client.GetAsync("http://localhost:3000/endpoint/info").Result;
return(default(HttpResponseMessage));
}, _options);
_flowBlock = new ActionBlock <HttpResponseMessage>(x =>
{
}, _options);
_request = _requestBlock.ToDataflow(_dataflowOptions, "Request");
_flow = _flowBlock.ToDataflow(_dataflowOptions, "Flow");
_request.LinkTo(_flow);
}
protected override Dataflow <ICommand, ICommand> CreateChildFlow(string target)
{
var block = new TransformBlock <ICommand, ICommand>(
async c =>
{
await _handler(c);
return(c);
}, _options.ToDataflowBlockOptions());
return(block.ToDataflow(_options));
}
public CompletionDemo1()
{
broadCaster = new BroadcastBlock<int>(
i =>
{
return i;
}).ToDataflow();
transformBlock1 = new TransformBlock<int, string>(
i =>
{
Console.WriteLine("1 input count: " + transformBlock1.InputCount);
Thread.Sleep(50);
return ("1_" + i);
});
transformBlock2 = new TransformBlock<int, string>(
i =>
{
Console.WriteLine("2 input count: " + transformBlock2.InputCount);
Thread.Sleep(20);
return ("2_" + i);
});
processor = new ActionBlock<string>(
i =>
{
Console.WriteLine(i);
}).ToDataflow();
/** rather than TPL linking
broadCastBlock.LinkTo(transformBlock1, new DataflowLinkOptions { PropagateCompletion = true });
broadCastBlock.LinkTo(transformBlock2, new DataflowLinkOptions { PropagateCompletion = true });
transformBlock1.LinkTo(processorBlock, new DataflowLinkOptions { PropagateCompletion = true });
transformBlock2.LinkTo(processorBlock, new DataflowLinkOptions { PropagateCompletion = true });
**/
//Use DataflowEx linking
var transform1 = transformBlock1.ToDataflow();
var transform2 = transformBlock2.ToDataflow();
broadCaster.LinkTo(transform1);
broadCaster.LinkTo(transform2);
transform1.LinkTo(processor);
transform2.LinkTo(processor);
}
public CompletionDemo1()
{
broadCaster = new BroadcastBlock <int>(
i =>
{
return(i);
}).ToDataflow();
transformBlock1 = new TransformBlock <int, string>(
i =>
{
Console.WriteLine("1 input count: " + transformBlock1.InputCount);
Thread.Sleep(50);
return("1_" + i);
});
transformBlock2 = new TransformBlock <int, string>(
i =>
{
Console.WriteLine("2 input count: " + transformBlock2.InputCount);
Thread.Sleep(20);
return("2_" + i);
});
processor = new ActionBlock <string>(
i =>
{
Console.WriteLine(i);
}).ToDataflow();
/** rather than TPL linking
* broadCastBlock.LinkTo(transformBlock1, new DataflowLinkOptions { PropagateCompletion = true });
* broadCastBlock.LinkTo(transformBlock2, new DataflowLinkOptions { PropagateCompletion = true });
* transformBlock1.LinkTo(processorBlock, new DataflowLinkOptions { PropagateCompletion = true });
* transformBlock2.LinkTo(processorBlock, new DataflowLinkOptions { PropagateCompletion = true });
**/
//Use DataflowEx linking
var transform1 = transformBlock1.ToDataflow();
var transform2 = transformBlock2.ToDataflow();
broadCaster.LinkTo(transform1);
broadCaster.LinkTo(transform2);
transform1.LinkTo(processor);
transform2.LinkTo(processor);
}