public Hashtable Invoke(OrchestrationBindingInfo orchestrationBindingInfo, IPowerShellServices pwsh)
{
try
{
var outputBuffer = new PSDataCollection <object>();
var context = orchestrationBindingInfo.Context;
// context.History should never be null when initializing CurrentUtcDateTime
var orchestrationStart = context.History.First(
e => e.EventType == HistoryEventType.OrchestratorStarted);
context.CurrentUtcDateTime = orchestrationStart.Timestamp.ToUniversalTime();
// Marks the first OrchestratorStarted event as processed
orchestrationStart.IsProcessed = true;
var asyncResult = pwsh.BeginInvoke(outputBuffer);
var(shouldStop, actions) =
orchestrationBindingInfo.Context.OrchestrationActionCollector.WaitForActions(asyncResult.AsyncWaitHandle);
if (shouldStop)
{
// The orchestration function should be stopped and restarted
pwsh.StopInvoke();
return(CreateOrchestrationResult(isDone: false, actions, output: null, context.CustomStatus));
}
else
{
try
{
// The orchestration function completed
pwsh.EndInvoke(asyncResult);
var result = FunctionReturnValueBuilder.CreateReturnValueFromFunctionOutput(outputBuffer);
return(CreateOrchestrationResult(isDone: true, actions, output: result, context.CustomStatus));
}
catch (Exception e)
{
// The orchestrator code has thrown an unhandled exception:
// this should be treated as an entire orchestration failure
throw new OrchestrationFailureException(actions, context.CustomStatus, e);
}
}
}
finally
{
pwsh.ClearStreamsAndCommands();
}
}
public void BeforeFunctionInvocation(IList <ParameterBinding> inputData)
{
// If the function is an orchestration client, then we set the DurableClient
// in the module context for the 'Start-NewOrchestration' function to use.
if (_durableFunctionInfo.IsDurableClient)
{
var durableClient =
inputData.First(item => item.Name == _durableFunctionInfo.DurableClientBindingName)
.Data.ToObject();
_powerShellServices.SetDurableClient(durableClient);
}
else if (_durableFunctionInfo.IsOrchestrationFunction)
{
_orchestrationBindingInfo = CreateOrchestrationBindingInfo(inputData);
_powerShellServices.SetOrchestrationContext(_orchestrationBindingInfo.Context);
}
}