/// <summary>
/// Waits for the selected Durable Function instance to finish execution (i.e., its status becomes Completed, Failed, or Terminated)
/// </summary>
/// <param name="client">DurableFunctionClient for querying the function host</param>
/// <param name="instanceId">ID of the Durable Function, probably from a GetAllFunctionStatuses call</param>
/// <param name="maxMilliseconds">Maximum time to wait for the instance to finish before returning</param>
public static async Task WaitForInstance(DurableFunctionClient client, string instanceId, int maxMilliseconds = 60000)
{
var totalTime = 0;
var sleepTime = 1000;
var statuses = await client.GetAllFunctionStatuses();
while (totalTime < maxMilliseconds &&
!statuses.Any(s => s.InstanceId == instanceId && finishedStates.Contains(s.RuntimeStatus)))
{
Thread.Sleep(sleepTime);
totalTime += sleepTime;
statuses = await client.GetAllFunctionStatuses();
}
}
/// <summary>
/// Waits for any instance of the named Durable Function to finish execution (i.e., its status becomes Completed, Failed, or Terminated)
/// </summary>
/// <param name="client">DurableFunctionClient for querying the function host</param>
/// <param name="name">Name of the Durable Function</param>
/// <param name="maxMilliseconds">Maximum time to wait for any instance with that name to finish before returning</param>
public static async Task WaitForInstanceByName(DurableFunctionClient client, string name, int maxMilliseconds = 60000)
{
var finishedStates = new string[] { "Completed", "Failed", "Terminated" };
var totalTime = 0;
var sleepTime = 1000;
var statuses = await client.GetAllFunctionStatuses();
while (totalTime < maxMilliseconds &&
!statuses.Any(s => s.Name == name && finishedStates.Contains(s.RuntimeStatus)))
{
Thread.Sleep(sleepTime);
totalTime += sleepTime;
statuses = await client.GetAllFunctionStatuses();
}
}
/// <summary>
/// Waits for any instance of the named Durable Function to finish execution (i.e., its status becomes Completed, Failed, or Terminated)
/// </summary>
/// <param name="client">DurableFunctionClient for querying the function host</param>
/// <param name="maxMilliseconds">Maximum time to wait for any instance with that name to finish before returning</param>
/// <returns>
/// ID of the Durable Function instance that was tracked
/// </returns>
public static async Task <string> WaitForFunction(DurableFunctionClient client, int maxMilliseconds = 60000)
{
var totalTime = 0;
var durableFunctions = await client.GetAllFunctionStatuses();
while (durableFunctions.Count() == 0 && totalTime < maxMilliseconds)
{
Thread.Sleep(500);
durableFunctions = await client.GetAllFunctionStatuses();
totalTime += 500;
}
var targetInstanceId = durableFunctions.FirstOrDefault().InstanceId;
await WaitForInstance(client, durableFunctions.FirstOrDefault().InstanceId);
return(targetInstanceId);
}
