protected static void SendMessageToNewSaga <TMessage>(ISagaPolicy <TSaga, TMessage> policy, TMessage message, Action <TSaga> consumerAction, Action <TSaga> removeAction)
{
TSaga saga;
if (!policy.CreateSagaWhenMissing(message, out saga))
{
return;
}
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Created saga [{0}] - {1}", typeof(TSaga).ToFriendlyName(), saga.CorrelationId);
}
try
{
lock (saga)
consumerAction(saga);
if (policy.ShouldSagaBeRemoved(saga))
{
removeAction(saga);
}
}
catch (Exception ex)
{
var sex = new SagaException("Saga consumer exception", typeof(TSaga), typeof(TMessage), saga.CorrelationId, ex);
if (_log.IsErrorEnabled)
{
_log.Error("Existing Saga Exception: ", sex);
}
throw sex;
}
}
protected static bool SendMessageToExistingSagas <TMessage>(IEnumerable <TSaga> existingSagas,
ISagaPolicy <TSaga, TMessage> policy,
Action <TSaga> consumerAction,
TMessage message,
Action <TSaga> removeAction)
{
int sagaCount = 0;
Exception lastException = null;
foreach (TSaga saga in existingSagas)
{
try
{
sagaCount++;
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Found saga [{0}] - {1}", typeof(TSaga).ToFriendlyName(), saga.CorrelationId);
}
policy.ForExistingSaga(message);
lock (saga)
consumerAction(saga);
if (policy.ShouldSagaBeRemoved(saga))
{
removeAction(saga);
}
}
catch (Exception ex)
{
var sex = new SagaException("Saga consumer exception", typeof(TSaga), typeof(TMessage), saga.CorrelationId, ex);
if (_log.IsErrorEnabled)
{
_log.Error("Existing Saga Exception: ", sex);
}
lastException = sex;
}
}
if (lastException != null)
{
throw lastException;
}
return(sagaCount > 0);
}