コード例 #1
0
        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();
            }
        }
コード例 #2
0
        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);
            }
        }