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Implement event read mode #479

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merged 1 commit into from
Jan 17, 2025
Merged

Implement event read mode #479

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15 changes: 13 additions & 2 deletions src/runner/Synapse.Runner/Services/Executors/ListenTaskExecutor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,13 @@ protected override async Task DoExecuteAsync(CancellationToken cancellationToken
if (this.Task.Definition.Foreach == null)
{
var context = await this.Task.CorrelateAsync(cancellationToken).ConfigureAwait(false);
await this.SetResultAsync(context, this.Task.Definition.Then, cancellationToken).ConfigureAwait(false);
var events = this.Task.Definition.Listen.Read switch
{
EventReadMode.Data or EventReadMode.Raw => context.Events.Select(e => e.Value.Data),
EventReadMode.Envelope => context.Events.Select(e => e.Value.Data),
_ => throw new NotSupportedException($"The specified event read mode '{this.Task.Definition.Listen.Read}' is not supported")
};
await this.SetResultAsync(events, this.Task.Definition.Then, cancellationToken).ConfigureAwait(false);
}
else
{
Expand Down Expand Up @@ -107,7 +113,12 @@ protected virtual async Task OnStreamingEventAsync(IStreamedCloudEvent e)
]
};
var arguments = this.GetExpressionEvaluationArguments();
var eventData = e.Event as object;
var eventData = this.Task.Definition.Listen.Read switch
{
EventReadMode.Data or EventReadMode.Raw => e.Event.Data,
EventReadMode.Envelope => e.Event,
_ => throw new NotSupportedException($"The specified event read mode '{this.Task.Definition.Listen.Read}' is not supported")
};
if (this.Task.Definition.Foreach.Output?.As is string fromExpression) eventData = await this.Task.Workflow.Expressions.EvaluateAsync<object>(fromExpression, eventData ?? new(), arguments, this.CancellationTokenSource!.Token).ConfigureAwait(false);
else if (this.Task.Definition.Foreach.Output?.As != null) eventData = await this.Task.Workflow.Expressions.EvaluateAsync<object>(this.Task.Definition.Foreach.Output.As!, eventData ?? new(), arguments, this.CancellationTokenSource!.Token).ConfigureAwait(false);
if (this.Task.Definition.Foreach.Export?.As is string toExpression)
Expand Down
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