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.NET: [BREAKING] Propagate CancellationToken into Workflow Executors and message handlers (#1280)

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* feat: Propagate CancellationToken to Executors

* Also adds cancellation propagation to `Executor`-accessible APIs
* Adds registrators for cancellable handlers to `RouteBuilder`
* [BREAKING]: Adds `CancellationToken` to `IMessageHandler.HandleAsync`

* test: Re-enable Concurrent Orchestration test

* refactor: Delete unused IInputCoordinator

* refactor: Remove superfluous argument qualifications
This commit is contained in:
Jacob Alber
2025-10-07 20:28:44 -04:00
committed by GitHub
Unverified
parent eb049c43a6
commit 5902bcb10a
74 changed files with 910 additions and 557 deletions
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dotnet/samples/GettingStarted/Workflows/Loop/Program.cs
+8 -8
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@@ -83,20 +83,20 @@ internal sealed class GuessNumberExecutor : ReflectingExecutor<GuessNumberExecut
private int NextGuess => (this.LowerBound + this.UpperBound) / 2;
public async ValueTask HandleAsync(NumberSignal message, IWorkflowContext context)
public async ValueTask HandleAsync(NumberSignal message, IWorkflowContext context, CancellationToken cancellationToken = default)
{
switch (message)
{
case NumberSignal.Init:
await context.SendMessageAsync(this.NextGuess).ConfigureAwait(false);
await context.SendMessageAsync(this.NextGuess, cancellationToken: cancellationToken).ConfigureAwait(false);
break;
case NumberSignal.Above:
this.UpperBound = this.NextGuess - 1;
await context.SendMessageAsync(this.NextGuess).ConfigureAwait(false);
await context.SendMessageAsync(this.NextGuess, cancellationToken: cancellationToken).ConfigureAwait(false);
break;
case NumberSignal.Below:
this.LowerBound = this.NextGuess + 1;
await context.SendMessageAsync(this.NextGuess).ConfigureAwait(false);
await context.SendMessageAsync(this.NextGuess, cancellationToken: cancellationToken).ConfigureAwait(false);
break;
}
}
@@ -120,21 +120,21 @@ internal sealed class JudgeExecutor : ReflectingExecutor<JudgeExecutor>, IMessag
this._targetNumber = targetNumber;
}
public async ValueTask HandleAsync(int message, IWorkflowContext context)
public async ValueTask HandleAsync(int message, IWorkflowContext context, CancellationToken cancellationToken = default)
{
this._tries++;
if (message == this._targetNumber)
{
await context.YieldOutputAsync($"{this._targetNumber} found in {this._tries} tries!")
await context.YieldOutputAsync($"{this._targetNumber} found in {this._tries} tries!", cancellationToken)
.ConfigureAwait(false);
}
else if (message < this._targetNumber)
{
await context.SendMessageAsync(NumberSignal.Below).ConfigureAwait(false);
await context.SendMessageAsync(NumberSignal.Below, cancellationToken: cancellationToken).ConfigureAwait(false);
}
else
{
await context.SendMessageAsync(NumberSignal.Above).ConfigureAwait(false);
await context.SendMessageAsync(NumberSignal.Above, cancellationToken: cancellationToken).ConfigureAwait(false);
}
}
}