async Task ISagaRepository <TSaga> .Send <T>(ConsumeContext <T> context, ISagaPolicy <TSaga, T> policy, IPipe <SagaConsumeContext <TSaga, T> > next) { MessageSessionContext sessionContext; if (!context.TryGetPayload(out sessionContext)) { throw new SagaException($"The session-based saga repository requires an active message session: {TypeMetadataCache<TSaga>.ShortName}", typeof(TSaga), typeof(T)); } Guid sessionId; if (Guid.TryParse(sessionContext.SessionId, out sessionId)) { context = new CorrelationIdConsumeContextProxy <T>(context, sessionId); } var saga = await ReadSagaState(sessionContext).ConfigureAwait(false); if (saga == null) { var missingSagaPipe = new MissingPipe <T>(next, WriteSagaState); await policy.Missing(context, missingSagaPipe).ConfigureAwait(false); } else { SagaConsumeContext <TSaga, T> sagaConsumeContext = new MessageSessionSagaConsumeContext <TSaga, T>(context, sessionContext, saga); if (_log.IsDebugEnabled) { _log.DebugFormat("SAGA:{0}:{1} Existing {2}", TypeMetadataCache <TSaga> .ShortName, sessionContext.SessionId, TypeMetadataCache <T> .ShortName); } await policy.Existing(sagaConsumeContext, next).ConfigureAwait(false); if (!sagaConsumeContext.IsCompleted) { await WriteSagaState(sessionContext, saga).ConfigureAwait(false); if (_log.IsDebugEnabled) { _log.DebugFormat("SAGA:{0}:{1} Updated {2}", TypeMetadataCache <TSaga> .ShortName, sessionContext.SessionId, TypeMetadataCache <T> .ShortName); } } } }
public async Task Send(SagaConsumeContext <TSaga, TMessage> context) { var sessionContext = context.GetPayload <MessageSessionContext>(); var proxy = new MessageSessionSagaConsumeContext <TSaga, TMessage>(context, sessionContext, context.Saga); if (_log.IsDebugEnabled) { _log.DebugFormat("SAGA:{0}:{1} Created {2}", TypeMetadataCache <TSaga> .ShortName, sessionContext.SessionId, TypeMetadataCache <TMessage> .ShortName); } try { await _next.Send(proxy).ConfigureAwait(false); if (!proxy.IsCompleted) { await _writeSagaState(sessionContext, proxy.Saga).ConfigureAwait(false); if (_log.IsDebugEnabled) { _log.DebugFormat("SAGA:{0}:{1} Saved {2}", TypeMetadataCache <TSaga> .ShortName, sessionContext.SessionId, TypeMetadataCache <TMessage> .ShortName); } } } catch (Exception) { if (_log.IsDebugEnabled) { _log.DebugFormat("SAGA:{0}:{1} Unsaved(Fault) {2}", TypeMetadataCache <TSaga> .ShortName, sessionContext.SessionId, TypeMetadataCache <TMessage> .ShortName); } throw; } }