public FileBasedFabric(
ITransitionRunner transitionRunner,
INumericIdGenerator numericIdGenerator,
IFileBasedFabricSerializerFactoryAdvisor serializerFactoryAdvisor,
INumericIdGenerator idGenerator)
{
_transitionRunner = transitionRunner;
Directory = Path.GetFullPath(Path.Combine(System.IO.Directory.GetCurrentDirectory(), "data"));
TransitionsDirectory = Path.Combine(Directory, "transitions");
RoutinesDirectory = Path.Combine(Directory, "routines");
EventsDirectory = Path.Combine(Directory, "events");
var serializerFactory = serializerFactoryAdvisor.Advise();
_serializationFormat = serializerFactory.Format;
Serializer = serializerFactory.Create();
Connector = new FileBasedFabricConnector(
numericIdGenerator,
TransitionsDirectory,
RoutinesDirectory,
EventsDirectory,
AddEventListener,
Serializer,
_serializationFormat);
}
public Task ReadRoutineStateAsync(IValueContainer target, CancellationToken ct)
{
if (FileBasedFabricConnector.TryReadRoutineData(
_fabric.RoutinesDirectory, EventData.Routine.RoutineId,
out var dataEnvelope, out var eTag) && dataEnvelope.State != null)
{
_fabric.Serializer.Populate(dataEnvelope.State, target);
}
return(Task.FromResult(true));
}
public Task <RoutineDescriptor> GetRoutineDescriptorAsync(CancellationToken ct)
{
var routineDesc = EventData.Routine;
if (FileBasedFabricConnector.TryGetRoutineETag(
_fabric.RoutinesDirectory, routineDesc.RoutineId, out var eTag))
{
routineDesc.ETag = eTag;
}
return(Task.FromResult(routineDesc));
}
public Task <List <ContinuationDescriptor> > GetContinuationsAsync(CancellationToken ct)
{
var result = new List <ContinuationDescriptor>(1);
if (_routineEventData.Continuation != null)
{
result.Add(_routineEventData.Continuation);
}
else if (FileBasedFabricConnector.TryReadRoutineData(
_fabric.RoutinesDirectory, EventData.Routine.RoutineId,
out var dataEnvelope, out var eTag) && dataEnvelope.Continuation != null)
{
result.Add(dataEnvelope.Continuation);
}
return(Task.FromResult(result));
}