public static void Action <TPrecedingOutput>(this IProducerBlock <TPrecedingOutput> precedingBlock,
Func <CancellationToken, TPrecedingOutput, PipelineMetadata, Task> action)
{
var next = new ActionBlock <TPrecedingOutput>(action);
precedingBlock.Link(next);
}
/// <summary>
/// Attach processing block which has input and output
/// </summary>
/// <param name="precedingBlock"></param>
/// <param name="process">Routine which processes incoming data and returns transformed result</param>
/// <typeparam name="TPrecedingOutput"></typeparam>
/// <typeparam name="TCurrentOutput"></typeparam>
/// <returns></returns>
public static IProducerBlock <TCurrentOutput> Process <TPrecedingOutput, TCurrentOutput>(
this IProducerBlock <TPrecedingOutput> precedingBlock,
Func <CancellationToken, TPrecedingOutput, PipelineMetadata, Task <TCurrentOutput> > process)
{
var next = new ProcessBlock <TPrecedingOutput, TCurrentOutput>(process);
precedingBlock.Link(next);
return(next);
}
public static IProducerBlock <ImmutableArray <TPrecedingOutput> > Batch <TPrecedingOutput>(
this IProducerBlock <TPrecedingOutput> precedingBlock,
int batchSize)
{
var next = new BatchBlock <TPrecedingOutput>(batchSize);
precedingBlock.Link(next);
return(next);
}
public static void Distribute <TPrecedingOutput>(
this IProducerBlock <TPrecedingOutput> precedingBlock,
params IReceiverBlock <TPrecedingOutput>[] followingBlocks)
{
var next = new DistributeBlock <TPrecedingOutput>();
var producer = (IProducerBlock <TPrecedingOutput>)next;
foreach (var followingBlock in followingBlocks)
{
producer.Link(followingBlock);
}
precedingBlock.Link(next);
}
public static void Decision <TPrecedingOutput>(
this IProducerBlock <TPrecedingOutput> precedingBlock,
Func <CancellationToken, TPrecedingOutput, PipelineMetadata, Task <bool> > condition,
IReceiverBlock <TPrecedingOutput> positive,
IReceiverBlock <TPrecedingOutput> negative)
{
var next = new DecisionBlock <TPrecedingOutput>(condition);
var conditional = (IConditionalProducerBlock <TPrecedingOutput, TPrecedingOutput>)next;
conditional.LinkPositive(positive);
conditional.LinkNegative(negative);
precedingBlock.Link(next);
}
