public void CompleteSession(
string id,
byte[] newState,
IList <TaskMessage> newMessages,
TaskMessage continuedAsNewMessage)
{
lock (this.thisLock)
{
TaskSession taskSession = this.lockedSessionQueue.Find((ts) => string.Equals(ts.Id, id, StringComparison.InvariantCultureIgnoreCase));
if (taskSession == null)
{
// TODO : throw proper lock lost exception (AFFANDAR)
throw new InvalidOperationException("Lock lost");
}
this.lockedSessionQueue.Remove(taskSession);
// make the required updates to the session
foreach (TaskMessage tm in taskSession.LockTable)
{
taskSession.Messages.Remove(tm);
}
taskSession.LockTable.Clear();
taskSession.SessionState = newState;
if (newState != null)
{
this.sessionQueue.Add(taskSession);
}
foreach (TaskMessage m in newMessages)
{
SendMessage(m);
}
if (continuedAsNewMessage != null)
{
SendMessage(continuedAsNewMessage);
}
}
}
public void DropSession(string id)
{
lock (this.thisLock)
{
TaskSession taskSession = this.lockedSessionQueue.Find((ts) => string.Equals(ts.Id, id, StringComparison.InvariantCultureIgnoreCase));
if (taskSession == null)
{
return;
}
if (this.sessionQueue.Contains(taskSession))
{
this.sessionQueue.Remove(taskSession);
}
else if (this.lockedSessionQueue.Contains(taskSession))
{
this.lockedSessionQueue.Remove(taskSession);
}
}
}
public void AbandonSession(string id)
{
lock (this.thisLock)
{
TaskSession taskSession = this.lockedSessionQueue.Find((ts) => string.Equals(ts.Id, id, StringComparison.InvariantCultureIgnoreCase));
if (taskSession == null)
{
// TODO : throw proper lock lost exception (AFFANDAR)
throw new InvalidOperationException("Lock lost");
}
this.lockedSessionQueue.Remove(taskSession);
// TODO : note that this we are adding to the tail of the queue rather than head, which is what sbus would actually do (AFFANDAR)
// doesn't really matter though in terms of semantics
this.sessionQueue.Add(taskSession);
// unlock all messages
taskSession.LockTable.Clear();
}
}
/// <inheritdoc />
public async Task <TaskOrchestrationWorkItem> LockNextTaskOrchestrationWorkItemAsync(
TimeSpan receiveTimeout,
CancellationToken cancellationToken)
{
TaskSession taskSession = await this.orchestratorQueue.AcceptSessionAsync(receiveTimeout,
CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, this.cancellationTokenSource.Token).Token);
if (taskSession == null)
{
return(null);
}
TaskOrchestrationWorkItem wi = new TaskOrchestrationWorkItem()
{
NewMessages = taskSession.Messages,
InstanceId = taskSession.Id,
LockedUntilUtc = DateTime.UtcNow.AddMinutes(5),
OrchestrationRuntimeState =
this.DeserializeOrchestrationRuntimeState(taskSession.SessionState) ??
new OrchestrationRuntimeState(),
};
return(wi);
}