public SagaEventConnectorFactory(ISagaRepository <TSaga> sagaRepository, ISagaPolicyFactory policyFactory,
DataEvent <TSaga, TMessage> dataEvent, IEnumerable <State> states)
{
_sagaRepository = sagaRepository;
_policyFactory = policyFactory;
_dataEvent = dataEvent;
_states = states;
_removeExpression = SagaStateMachine <TSaga> .GetCompletedExpression();
}
public IPipelineSink <TMessage> Create(DataEvent <TSaga, TMessage> eevent, IEnumerable <State> states)
{
Type messageType = typeof(TMessage);
Expression <Func <TSaga, bool> > removeExpression = SagaStateMachine <TSaga> .GetCompletedExpression();
ISagaPolicy <TSaga, TMessage> policy = _policyFactory.GetPolicy <TSaga, TMessage>(states, removeExpression);
Expression <Func <TSaga, TMessage, bool> > expression;
if (SagaStateMachine <TSaga> .TryGetCorrelationExpressionForEvent(eevent, out expression))
{
return(this.FastInvoke <SagaStateMachineMessageSinkFactory <TSaga, TMessage>, IPipelineSink <TMessage> >("CreateSink", eevent, policy, expression));
}
// we check for a standard correlation interface second
if (messageType.GetInterfaces().Where(x => x == typeof(CorrelatedBy <Guid>)).Count() > 0)
{
return(this.FastInvoke <SagaStateMachineMessageSinkFactory <TSaga, TMessage>, IPipelineSink <TMessage> >("CreateCorrelatedSink", eevent, policy));
}
throw new NotSupportedException("No method to connect to event was found for " + typeof(TMessage).FullName);
}