/// <summary>
/// Links this block to a next one.
/// If this block is an action block, it acts as a BroadcastBlock to all linked children.
/// </summary>
/// <param name="target"></param>
/// <param name="linkOptions"></param>
/// <returns></returns>
public IFlowBlock LinkTo(IFlowBlock <TOut, TOut> target, DataflowLinkOptions linkOptions = null)
{
var targetBuffer = target.GetInputBlock();
if (!string.IsNullOrEmpty(AppId))
{
target.AppId = AppId;
}
//var targetAction = target.GetProcessingBlock();
if (this.ProcType == BlockType.Action)
{
BroadcastTo(targetBuffer, false);
}
else if (this.ProcType == BlockType.Transform)
{
linkOptions = new DataflowLinkOptions()
{
PropagateCompletion = true
};
if (_transformer != null)
{
if (linkOptions != null)
{
_transformer.LinkTo(targetBuffer, linkOptions);
}
else
{
_transformer.LinkTo(targetBuffer, linkOptions);
}
}
else
{
throw new Exception("Can't link blocks which don`t produce data!");
}
}
var actionBlock = this.GetProcessingBlock();
actionBlock.Completion.ContinueWith(t =>
{
if (t.IsFaulted)
{
target.Fault(t.Exception);
}
else
{
target.Complete();
}
});
//_lastLinkedBlock = targetAction;
AddCompletionTask(target.FlowCompletion());
return(this);
}
/// <summary>
/// Set the destination to which to push all data.
/// </summary>
/// <param name="dest">A destination/block in your integration flow</param>
/// <returns></returns>
public IHarvester <TDocument> SetDestination(IFlowBlock <TDocument> dest)
{
Destination = dest;
return(this);
}
