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.NET: Update Workflow Input/Output Redesign (#881)

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* feat: Make Executor id field mandatory

When checkpointing is involved, it is critical to keep executor ids consistent between runs, even when recreating a new object tree for the workflow.

The default id-setting mechanism generated a guid for part of the id, making it not work when restoring from a checkpoint.

This change prevents this situation from arising.

* feat: Enable running untyped Workflows

With the change to enable delay-instantiation of executors and support for async Executor factory methods, we must instantiate the starting executor to know what are the valid input types for the workflow.

To avoid forcing instantiation every time, and to better support workflows with multiple input types, we enable support for build and interacting with the base Workflow type without type annotations, and remove the requirement to know a valid input type when initiating a run.

* feat: Support Output from any executor and multiple outputs.
This commit is contained in:
Jacob Alber
2025-09-25 02:03:22 +00:00
committed by GitHub
parent 03ef7f054f
commit 39e071c430
89 changed files with 1413 additions and 998 deletions
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dotnet/samples/GettingStarted/Workflows/Checkpoint/CheckpointAndRehydrate/Program.cs
+10 -11
View File
@@ -2,7 +2,6 @@
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Agents.Workflows;
@@ -29,7 +28,7 @@ public static class Program
private static async Task Main()
{
// Create the workflow
var workflow = WorkflowHelper.GetWorkflow();
var workflow = await WorkflowHelper.GetWorkflowAsync().ConfigureAwait(false);
// Create checkpoint manager
var checkpointManager = CheckpointManager.Default;
@@ -58,9 +57,9 @@ public static class Program
}
}
if (evt is WorkflowCompletedEvent workflowCompletedEvt)
if (evt is WorkflowOutputEvent outputEvent)
{
Console.WriteLine($"Workflow completed with result: {workflowCompletedEvt.Data}");
Console.WriteLine($"Workflow completed with result: {outputEvent.Data}");
}
}
@@ -71,15 +70,15 @@ public static class Program
Console.WriteLine($"Number of checkpoints created: {checkpoints.Count}");
// Rehydrate a new workflow instance from a saved checkpoint and continue execution
var newWorkflow = WorkflowHelper.GetWorkflow();
var newWorkflow = await WorkflowHelper.GetWorkflowAsync().ConfigureAwait(false);
const int CheckpointIndex = 5;
Console.WriteLine($"\n\nHydrating a new workflow instance from the {CheckpointIndex + 1}th checkpoint.");
CheckpointInfo savedCheckpoint = checkpoints[CheckpointIndex];
Checkpointed<StreamingRun> newCheckpointedRun = await InProcessExecution
.StreamAsync(newWorkflow, NumberSignal.Init, checkpointManager)
.ConfigureAwait(false);
await newCheckpointedRun.RestoreCheckpointAsync(savedCheckpoint, CancellationToken.None).ConfigureAwait(false);
Checkpointed<StreamingRun> newCheckpointedRun =
await InProcessExecution.ResumeStreamAsync(newWorkflow, savedCheckpoint, checkpointManager, checkpointedRun.Run.RunId)
.ConfigureAwait(false);
await foreach (WorkflowEvent evt in newCheckpointedRun.Run.WatchStreamAsync().ConfigureAwait(false))
{
if (evt is ExecutorCompletedEvent executorCompletedEvt)
@@ -87,9 +86,9 @@ public static class Program
Console.WriteLine($"* Executor {executorCompletedEvt.ExecutorId} completed.");
}
if (evt is WorkflowCompletedEvent workflowCompletedEvt)
if (evt is WorkflowOutputEvent workflowOutputEvt)
{
Console.WriteLine($"Workflow completed with result: {workflowCompletedEvt.Data}");
Console.WriteLine($"Workflow completed with result: {workflowOutputEvt.Data}");
}
}
}