/// <summary>
/// Links to target block.
/// </summary>
/// <typeparam name="TInput"></typeparam>
/// <typeparam name="TOutput"></typeparam>
/// <param name="builder"></param>
/// <param name="targetBlock"></param>
/// <param name="predicate"></param>
/// <param name="declinedTargetBlock"></param>
/// <returns></returns>
public static ITargetDataflowBuilder <TInput> LinkToTarget <TInput, TOutput>(
this IPropagatorDataflowBuilder <TInput, TOutput> builder
, ITargetBlock <TOutput> targetBlock
, Predicate <TOutput> predicate
, ITargetBlock <TOutput> declinedTargetBlock = null)
{
return(builder.LinkToTarget(targetBlock, DataflowDefaultOptions.DefaultLinkOptions, predicate, declinedTargetBlock, DataflowDefaultOptions.DefaultLinkOptions));
}
/// <summary>
/// Links to target block.
/// </summary>
/// <typeparam name="TInput"></typeparam>
/// <typeparam name="TOutput"></typeparam>
/// <param name="builder"></param>
/// <param name="targetBlock"></param>
/// <param name="linkOptions"></param>
/// <param name="predicate"></param>
/// <param name="declinedTargetBlock"></param>
/// <param name="declinedLinkOptions"></param>
/// <returns></returns>
public static ITargetDataflowBuilder <TInput> LinkToTarget <TInput, TOutput>(
this IPropagatorDataflowBuilder <TInput, TOutput> builder
, ITargetBlock <TOutput> targetBlock
, DataflowLinkOptions linkOptions
, Predicate <TOutput> predicate
, ITargetBlock <TOutput> declinedTargetBlock
, DataflowLinkOptions declinedLinkOptions)
{
if (builder == null)
{
return(null);
}
if (targetBlock == null)
{
throw new ArgumentNullException("targetBlock");
}
if (linkOptions == null)
{
throw new ArgumentNullException("linkOptions");
}
if (predicate == null)
{
throw new ArgumentNullException("predicate");
}
if (declinedTargetBlock == null)
{
throw new ArgumentNullException("declinedTargetBlock");
}
if (declinedLinkOptions == null)
{
throw new ArgumentNullException("declinedLinkOptions");
}
var nextBuilder = builder.LinkToTarget(targetBlock, linkOptions, predicate);
if (declinedTargetBlock != null)
{
// LinkTo declined target
LinkHelper.Link((builder as PropagatorDataflowBuilder <TInput, TOutput>).FinalSourceBlock, declinedTargetBlock, declinedLinkOptions ?? DataflowDefaultOptions.DefaultLinkOptions);
}
return(nextBuilder);
}