public ISourceDataflowBuilder <TOutput> WriteOnce(Func <TOutput, TOutput> cloningFunction, DataflowWriteOnceOptions writeOnceOptions)
{
if (cloningFunction == null)
{
throw new ArgumentNullException("cloningFunction");
}
var writeOnceBlock = new WriteOnceBlock <TOutput>(cloningFunction, writeOnceOptions.WriteOnceBlockOptions);
LinkHelper.Link(_finalSourceBlock, writeOnceBlock, writeOnceOptions.LinkOptions);
return(new SourceDataflowBuilder <TOutput>(_originalSourceBlock, _finalSourceBlock, writeOnceBlock, _propagateCompletion));
}
public ISourceDataflowBuilder <TOutput> WriteOnce(Func <TOutput, TOutput> cloningFunction, DataflowWriteOnceOptions writeOnceOptions = default(DataflowWriteOnceOptions))
{
if (cloningFunction == null)
{
throw new ArgumentNullException("cloningFunction");
}
var writeOnceBlock = new WriteOnceBlock <TOutput>(cloningFunction, writeOnceOptions.WriteOnceBlockOptions);
var propagateCompletion = Link(writeOnceBlock, writeOnceOptions.LinkOptions, null);
var sourceWrapper = new MultipleSourceDataflowWrapper(_sourceBlocks);
return(new SourceDataflowBuilder <TOutput>(sourceWrapper, sourceWrapper, writeOnceBlock, propagateCompletion));
}