public static OrchestrationState WaitForInstance(TaskHubClient taskHubClient, OrchestrationInstance instance, int timeoutSeconds)
{
OrchestrationStatus status = OrchestrationStatus.Running;
if (instance == null || string.IsNullOrWhiteSpace(instance.InstanceId))
{
throw new ArgumentException("instance");
}
int sleepForSeconds = 30;
while (timeoutSeconds > 0)
{
try
{
var state = taskHubClient.GetOrchestrationState(instance.InstanceId);
if (state != null) status = state.OrchestrationStatus;
if (status == OrchestrationStatus.Running)
{
System.Threading.Thread.Sleep(sleepForSeconds * 1000);
timeoutSeconds -= sleepForSeconds;
}
else
{
// Session state deleted after completion
return state;
}
}
catch (Exception ex)
{
Console.WriteLine(string.Format("Error retrieving state for instance [instanceId: '{0}', executionId: '{1}'].", instance.InstanceId, instance.ExecutionId));
Console.WriteLine(ex.ToString());
}
}
throw new TimeoutException("Timeout expired: " + timeoutSeconds.ToString());
}
public static bool WaitForInstance(TaskHubClient taskHubClient, OrchestrationInstance instance,
int timeoutSeconds,
bool waitForCompletion = true)
{
if (instance == null || string.IsNullOrWhiteSpace(instance.InstanceId))
{
throw new ArgumentException("instance");
}
int sleepForSeconds = 2;
while (timeoutSeconds > 0)
{
OrchestrationState state = taskHubClient.GetOrchestrationState(instance.InstanceId);
if (state == null || (waitForCompletion && state.OrchestrationStatus == OrchestrationStatus.Running))
{
Thread.Sleep(sleepForSeconds*1000);
timeoutSeconds -= sleepForSeconds;
}
else
{
// Session state deleted after completion
return true;
}
}
return false;
}
