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, TIn, TFactory> > Where <TIn, TFactory>(this ITransactionalStreamProvider <TIn> source, Expression <Func <TIn, bool> > filterFunc,
TFactory factory, int scatterFactor = 1) where TFactory : IStreamProcessorAggregateFactory
{
var aggregateConfiguration = new StreamProcessorAggregateConfiguration(await source.GetOutputStreams(), scatterFactor);
var processorAggregate = await factory.CreateWhere(filterFunc, aggregateConfiguration);
var processorChain = new StreamProcessorChainStart <TIn, TIn, TFactory>(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 static async Task <StreamProcessorChain <TIn, TOut, TFactory> > SelectMany <TIn, TIntermediate, TOut, TFactory>(
this ITransactionalStreamProvider <TIn> source, Expression <Func <TIn, IEnumerable <TIntermediate> > > collectionSelectorFunc, Expression <Func <TIn, TIntermediate, TOut> > resultSelectorFunc,
TFactory factory, int scatterFactor = 1) where TFactory : IStreamProcessorAggregateFactory
{
var aggregateConfiguration = new StreamProcessorAggregateConfiguration(await source.GetOutputStreams(), scatterFactor);
var processorAggregate = await factory.CreateSelectMany(collectionSelectorFunc, resultSelectorFunc, aggregateConfiguration);
var processorChain = new StreamProcessorChainStart <TIn, TOut, TFactory>(processorAggregate, source, factory);
return(processorChain);
}