/// <summary>
/// Initializes a new instance of the <see cref="PipelineContext"/> class.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="saga">The saga.</param>
/// <param name="operationResult">The operation result. Null of operation have not finished</param>
public PipelineContext(ISagaMessage message, IAccessibleSaga saga, OperationResult operationResult = null)
{
this.Message = message;
this.AccessibleSaga = saga;
SagaData = NSagaReflection.Get(saga, "SagaData");
OperationResult = operationResult;
}
/// <summary>
/// Gets the saga metadata from previous operations
/// </summary>
/// <param name="accessibleSaga">The accessible saga.</param>
/// <param name="messageSerialiser">The message serialiser.</param>
/// <returns></returns>
public static SagaMetadata GetSagaMetadata(this IAccessibleSaga accessibleSaga, IMessageSerialiser messageSerialiser)
{
String serialisedMetadata;
if (!accessibleSaga.Headers.TryGetValue(MetadataPipelineHook.MetadataKeyName, out serialisedMetadata))
{
return(null);
}
var metadata = messageSerialiser.Deserialise <SagaMetadata>(serialisedMetadata);
return(metadata);
}
private void PersistSagaInstance(IAccessibleSaga saga)
{
Type persisterType = reflection.GetGenericTypeOf(typeof(ISagaPersister <>), saga);
object persister = serviceLocator.Resolve(persisterType);
if (saga.IsCompleted)
{
reflection.InvokeSagaPersisterComplete(persister, saga);
}
else
{
reflection.InvokeSagaPersisterSave(persister, saga);
}
}
