/// <summary>
/// Creates a dataflow builder from a join of multiple source blocks.
/// </summary>
/// <typeparam name="TOutput1"></typeparam>
/// <typeparam name="TOutput2"></typeparam>
/// <param name="sourceBlock1"></param>
/// <param name="sourceBlock2"></param>
/// <param name="joinOptions"></param>
/// <returns></returns>
public ISourceDataflowBuilder <Tuple <TOutput1, TOutput2> > Join <TOutput1, TOutput2>(ISourceBlock <TOutput1> sourceBlock1, ISourceBlock <TOutput2> sourceBlock2, DataflowJoinOptions joinOptions = default(DataflowJoinOptions))
{
if (sourceBlock1 == null)
{
throw new ArgumentNullException("sourceBlock1");
}
if (sourceBlock2 == null)
{
throw new ArgumentNullException("sourceBlock2");
}
var joinBlock = new JoinBlock <TOutput1, TOutput2>(joinOptions.JoinBlockOptions);
LinkHelper.Link(sourceBlock1, joinBlock.Target1, joinOptions.Target1LinkOptions);
LinkHelper.Link(sourceBlock2, joinBlock.Target2, joinOptions.Target2LinkOptions);
var multipleSourcesWrapper = new MultipleSourceDataflowWrapper(new IDataflowBlock[] { sourceBlock1, sourceBlock2 });
var sourceWrapper = new ReceivableSourceDataflowWrapper <Tuple <TOutput1, TOutput2> >(multipleSourcesWrapper, joinBlock, joinBlock);
return(FromSource(sourceWrapper));
}
/// <summary>
/// Creates a dataflow builder from a batched join of multiple source blocks.
/// </summary>
/// <typeparam name="TOutput1"></typeparam>
/// <typeparam name="TOutput2"></typeparam>
/// <typeparam name="TOutput3"></typeparam>
/// <param name="sourceBlock1"></param>
/// <param name="sourceBlock2"></param>
/// <param name="sourceBlock3"></param>
/// <param name="batchSize"></param>
/// <param name="joinOptions"></param>
/// <returns></returns>
public ISourceDataflowBuilder <Tuple <IList <TOutput1>, IList <TOutput2>, IList <TOutput3> > > BatchedJoin <TOutput1, TOutput2, TOutput3>(ISourceBlock <TOutput1> sourceBlock1, ISourceBlock <TOutput2> sourceBlock2, ISourceBlock <TOutput3> sourceBlock3, int batchSize, DataflowJoinOptions joinOptions = default(DataflowJoinOptions))
{
if (sourceBlock1 == null)
{
throw new ArgumentNullException("sourceBlock1");
}
if (sourceBlock2 == null)
{
throw new ArgumentNullException("sourceBlock2");
}
if (sourceBlock3 == null)
{
throw new ArgumentNullException("sourceBlock3");
}
var batchedJoinBlock = new BatchedJoinBlock <TOutput1, TOutput2, TOutput3>(batchSize, joinOptions.JoinBlockOptions);
LinkHelper.Link(sourceBlock1, batchedJoinBlock.Target1, joinOptions.Target1LinkOptions);
LinkHelper.Link(sourceBlock2, batchedJoinBlock.Target2, joinOptions.Target2LinkOptions);
LinkHelper.Link(sourceBlock3, batchedJoinBlock.Target3, joinOptions.Target3LinkOptions);
var multipleSourcesWrapper = new MultipleSourceDataflowWrapper(new IDataflowBlock[] { sourceBlock1, sourceBlock2, sourceBlock3 });
var sourceWrapper = new ReceivableSourceDataflowWrapper <Tuple <IList <TOutput1>, IList <TOutput2>, IList <TOutput3> > >(multipleSourcesWrapper, batchedJoinBlock, batchedJoinBlock);
return(FromSource(sourceWrapper));
}
