public IReadOnlyCollection <IEventLoggingStrategy <TEvent> > Get <TEvent>(IReadOnlyCollection <TEvent> events)
{
var messageFlow = events.Cast <FlowEvent>().Select(x => x.Flow).ToHashSet().Single();
IEventLoggingStrategy <TEvent> strategy;
var vrFactsFlows = new IEquatable <IMessageFlow>[]
{
ErmFactsFlow.Instance,
AmsFactsFlow.Instance,
RulesetFactsFlow.Instance
};
if (vrFactsFlows.Contains(messageFlow))
{
strategy = ResolveServiceBusStrategy <TEvent>(AggregatesFlow.Instance);
}
else if (Equals(messageFlow, AggregatesFlow.Instance))
{
strategy = ResolveServiceBusStrategy <TEvent>(MessagesFlow.Instance);
}
else
{
throw new ArgumentOutOfRangeException(nameof(messageFlow), messageFlow, "Unexpected flow");
}
return(new [] { strategy });
}