internal void OnGlobalThreadStateChange(GlobalStreamThread thread, IThreadStateTransitionValidator old, IThreadStateTransitionValidator @new)
{
lock (threadStatesLock)
{
if (thread != null)
{
GlobalThreadState newState = (GlobalThreadState)@new;
globalThreadState = newState;
if (newState == GlobalThreadState.RUNNING)
{
MaybeSetRunning();
}
else if (newState == GlobalThreadState.DEAD && stream.SetState(KafkaStream.State.ERROR))
{
log.Error("Global thread has died. The instance will be in error state and should be closed.");
}
}
}
}
internal void OnChange(IThread thread, IThreadStateTransitionValidator old, IThreadStateTransitionValidator @new)
{
lock (threadStatesLock)
{
if (thread is StreamThread)
{
ThreadState newState = (ThreadState)@new;
threadState.AddOrUpdate(thread.Id, newState);
if (newState == ThreadState.PARTITIONS_REVOKED || newState == ThreadState.PARTITIONS_ASSIGNED)
{
stream.SetState(KafkaStream.State.REBALANCING);
}
else if (newState == ThreadState.RUNNING)
{
MaybeSetRunning();
}
else if (newState == ThreadState.DEAD)
{
MaybeSetError();
}
}
}
}
public bool IsValidTransition(IThreadStateTransitionValidator newState)
{
return(Transitions.Contains(((GlobalThreadState)newState).Ordinal));
}
