async Task TryMountSagaDataOnInvoker(HandlerInvoker sagaInvoker, object body, string label, List <RelevantSagaInfo> loadedSagaData, List <RelevantSagaInfo> newlyCreatedSagaData, ITransactionContext transactionContext)
{
var foundExistingSagaData = false;
var correlationProperties = _sagaHelper.GetCorrelationProperties(body, sagaInvoker.Saga);
var correlationPropertiesRelevantForMessage = correlationProperties.ForMessage(body).ToArray();
foreach (var correlationProperty in correlationPropertiesRelevantForMessage)
{
var valueFromMessage = correlationProperty.ValueFromMessage(new MessageContext(transactionContext), body);
var sagaData = await _sagaStorage.Find(sagaInvoker.Saga.GetSagaDataType(), correlationProperty.PropertyName, valueFromMessage);
if (sagaData == null)
{
continue;
}
sagaInvoker.SetSagaData(sagaData);
foundExistingSagaData = true;
loadedSagaData.Add(new RelevantSagaInfo(sagaData, correlationProperties, sagaInvoker.Saga));
_log.Debug("Found existing saga data with ID {sagaDataId} for message {messageLabel}", sagaData.Id, label);
break;
}
if (!foundExistingSagaData)
{
var messageType = body.GetType();
var canBeInitiatedByThisMessageType = sagaInvoker.CanBeInitiatedBy(messageType);
if (canBeInitiatedByThisMessageType)
{
var newSagaData = _sagaHelper.CreateNewSagaData(sagaInvoker.Saga);
// if there's exacly one correlation property that points to a property on the saga data, we can set it
if (correlationPropertiesRelevantForMessage.Length == 1)
{
TrySetCorrelationPropertyValue(newSagaData, correlationPropertiesRelevantForMessage[0], body, transactionContext);
}
sagaInvoker.SetSagaData(newSagaData);
_log.Debug("Created new saga data with ID {sagaDataId} for message {messageLabel}", newSagaData.Id, label);
newlyCreatedSagaData.Add(new RelevantSagaInfo(newSagaData, correlationProperties, sagaInvoker.Saga));
}
else
{
_log.Debug("Could not find existing saga data for message {messageLabel}", label);
sagaInvoker.SkipInvocation();
}
}
}
async Task TryMountSagaDataOnInvoker(HandlerInvoker sagaInvoker, object body, string label, List <RelevantSagaInfo> loadedSagaData, List <RelevantSagaInfo> newlyCreatedSagaData)
{
var foundExistingSagaData = false;
var correlationProperties = _sagaHelper.GetCorrelationProperties(body, sagaInvoker.Saga);
var correlationPropertiesRelevantForMessage = correlationProperties.ForMessage(body);
foreach (var correlationProperty in correlationPropertiesRelevantForMessage)
{
var valueFromMessage = correlationProperty.ValueFromMessage(body);
var sagaData =
await
_sagaStorage.Find(sagaInvoker.Saga.GetSagaDataType(), correlationProperty.PropertyName, valueFromMessage);
if (sagaData == null)
{
continue;
}
sagaInvoker.SetSagaData(sagaData);
foundExistingSagaData = true;
loadedSagaData.Add(new RelevantSagaInfo(sagaData, correlationProperties, sagaInvoker.Saga));
_log.Debug("Found existing saga data with ID {0} for message {1}", sagaData.Id, label);
break;
}
if (!foundExistingSagaData)
{
var messageType = body.GetType();
var canBeInitiatedByThisMessageType = sagaInvoker.CanBeInitiatedBy(messageType);
if (canBeInitiatedByThisMessageType)
{
var newSagaData = _sagaHelper.CreateNewSagaData(sagaInvoker.Saga);
sagaInvoker.SetSagaData(newSagaData);
_log.Debug("Created new saga data with ID {0} for message {1}", newSagaData.Id, label);
newlyCreatedSagaData.Add(new RelevantSagaInfo(newSagaData, correlationProperties, sagaInvoker.Saga));
}
else
{
_log.Debug("Could not find existing saga data for message {0}", label);
sagaInvoker.SkipInvocation();
}
}
}
public override void SetSagaData(ISagaData sagaData)
{
_handlerInvokerImplementation.SetSagaData(sagaData);
}