async Task SendToInstance <T>(SagaQueryConsumeContext <TSaga, T> context, ISagaPolicy <TSaga, T> policy, SagaInstance <TSaga> saga,
IPipe <SagaConsumeContext <TSaga, T> > next)
where T : class
{
await saga.MarkInUse(context.CancellationToken).ConfigureAwait(false);
try
{
if (saga.IsRemoved)
{
return;
}
SagaConsumeContext <TSaga, T> sagaConsumeContext = new InMemorySagaConsumeContext <TSaga, T>(context, saga.Instance,
() => Remove(saga, context.CancellationToken));
sagaConsumeContext.LogUsed();
await policy.Existing(sagaConsumeContext, next).ConfigureAwait(false);
}
finally
{
saga.Release();
}
}
async Task ISagaRepository <TSaga> .Send <T>(ConsumeContext <T> context, ISagaPolicy <TSaga, T> policy, IPipe <SagaConsumeContext <TSaga, T> > next)
{
if (!context.CorrelationId.HasValue)
{
throw new SagaException("The CorrelationId was not specified", typeof(TSaga), typeof(T));
}
var sagaId = context.CorrelationId.Value;
await _sagas.MarkInUse(context.CancellationToken).ConfigureAwait(false);
var needToLeaveSagas = true;
try
{
SagaInstance <TSaga> saga = _sagas[sagaId];
if (saga != null)
{
await saga.MarkInUse(context.CancellationToken).ConfigureAwait(false);
try
{
_sagas.Release();
needToLeaveSagas = false;
if (saga.IsRemoved)
{
saga.Release();
saga = null;
}
else
{
SagaConsumeContext <TSaga, T> sagaConsumeContext = new InMemorySagaConsumeContext <TSaga, T>(context, saga.Instance,
() => Remove(saga, context.CancellationToken));
sagaConsumeContext.LogUsed();
await policy.Existing(sagaConsumeContext, next).ConfigureAwait(false);
}
}
finally
{
saga?.Release();
}
}
if (saga == null)
{
var missingSagaPipe = new MissingPipe <T>(this, next, true);
await policy.Missing(context, missingSagaPipe).ConfigureAwait(false);
_sagas.Release();
needToLeaveSagas = false;
}
}
finally
{
if (needToLeaveSagas)
{
_sagas.Release();
}
}
}
