public static ISourceBlock <T> BufferMany <T>(this ISourceBlock <T[]> source, ExecutionDataflowBlockOptions?dataflowBlockOptions = null)
{
if (source is null)
{
throw new NullReferenceException();
}
Contract.EndContractBlock();
var output = dataflowBlockOptions is null
? new TransformManyBlock <T[], T>(t => t)
: new TransformManyBlock <T[], T>(t => t, dataflowBlockOptions);;
source.LinkToWithCompletion(output);
return(output);
}
public static ISourceBlock <T> Buffer <T>(this ISourceBlock <T> source, DataflowBlockOptions?dataflowBlockOptions = null)
{
if (source is null)
{
throw new NullReferenceException();
}
Contract.EndContractBlock();
var output = dataflowBlockOptions is null
? new BufferBlock <T>()
: new BufferBlock <T>(dataflowBlockOptions);
source.LinkToWithCompletion(output);
return(output);
}
public static ISourceBlock <T[]> Batch <T>(this ISourceBlock <T> source,
int batchSize,
GroupingDataflowBlockOptions?dataflowBlockOptions = null)
{
if (source is null)
{
throw new NullReferenceException();
}
Contract.EndContractBlock();
var batchBlock = dataflowBlockOptions is null
? new BatchBlock <T>(batchSize)
: new BatchBlock <T>(batchSize, dataflowBlockOptions);
source.LinkToWithCompletion(batchBlock);
return(batchBlock);
}
/// <summary>
/// Pipes the source data to the target.
/// </summary>
/// <typeparam name="T">The input type.</typeparam>
/// <param name="source">The source block to receive from.</param>
/// <param name="transform">The target block to post to.</param>
/// <returns>The target block.</returns>
public static TBlock Pipe <T, TBlock>(this ISourceBlock <T> source,
TBlock target)
where TBlock : ITargetBlock <T>
{
if (source is null)
{
throw new NullReferenceException();
}
if (target is null)
{
throw new ArgumentNullException(nameof(target));
}
Contract.EndContractBlock();
source.LinkToWithCompletion(target);
return(target);
}
/// <summary>
/// Produces a source block that contains transformed results.
/// </summary>
/// <typeparam name="T">The input type.</typeparam>
/// <param name="source">The source block to receive from.</param>
/// <param name="transform">The transfrom function to apply.</param>
/// <param name="options">Optional execution options.</param>
/// <returns>The source block created.</returns>
public static IReceivableSourceBlock <TOut> PipeAsync <TIn, TOut>(this ISourceBlock <TIn> source,
Func <TIn, Task <TOut> > transform, ExecutionDataflowBlockOptions?options = null)
{
if (source is null)
{
throw new NullReferenceException();
}
if (transform is null)
{
throw new ArgumentNullException(nameof(transform));
}
Contract.EndContractBlock();
var output = TransformBlock.NewAsync(transform, options);
source.LinkToWithCompletion(output);
return(output);
}
/// <summary>
/// Pipes the source data through a single producer constrained ActionBlock.
/// </summary>
/// <typeparam name="T">The input type.</typeparam>
/// <param name="source">The source block to receive from.</param>
/// <param name="handler">The handler function to apply.</param>
/// <param name="options">Optional execution options.</param>
/// <returns>The ActionBlock created.</returns>
public static ActionBlock <T> Pipe <T>(this ISourceBlock <T> source,
Action <T> handler,
ExecutionDataflowBlockOptions?options = null)
{
if (source is null)
{
throw new NullReferenceException();
}
if (handler is null)
{
throw new ArgumentNullException(nameof(handler));
}
Contract.EndContractBlock();
var receiver = options is null
? new ActionBlock <T>(handler)
: new ActionBlock <T>(handler, options);
source.LinkToWithCompletion(receiver);
return(receiver);
}
