public static async Task <StreamProcessorChain <TIn, TIn> > Where <TIn>(this ITransactionalStreamProviderAggregate <TIn> source, Func <TIn, bool> filterFunc,
IStreamProcessorAggregateFactory factory)
{
var processorAggregate = await factory.CreateWhere(filterFunc, await source.GetStreamIdentities());
var processorChain = new StreamProcessorChainStart <TIn, TIn>(processorAggregate, source, factory);
return(processorChain);
}
public static async Task <StreamProcessorChain <TIn, TOut> > Select <TIn, TOut>(
this ITransactionalStreamProviderAggregate <TIn> source, Func <TIn, TOut> selectionFunc,
IStreamProcessorAggregateFactory factory)
{
var processorAggregate = await factory.CreateSelect <TIn, TOut>(selectionFunc, await source.GetStreamIdentities());
var processorChain = new StreamProcessorChainStart <TIn, TOut>(processorAggregate, source, factory);
return(processorChain);
}
public StreamProcessorChainStart(IStreamProcessorAggregate <TIn, TOut> aggregate, ITransactionalStreamProviderAggregate <TIn> source, IStreamProcessorAggregateFactory factory) : base(aggregate, factory)
{
_source = source;
}
public StreamProcessorChain(IStreamProcessorAggregate <TIn, TOut> aggregate, IStreamProcessorChain <TIn> previous)
{
Aggregate = aggregate;
Factory = previous.Factory;
_previous = previous;
}
public StreamProcessorChain(IStreamProcessorAggregate <TIn, TOut> aggregate, IStreamProcessorAggregateFactory factory)
{
Aggregate = aggregate;
Factory = factory;
_previous = null;
}