private async Task <IWorkflowBlueprint> GetWorkflowBlueprintAsync(WorkflowDefinition workflowDefinition)
{
var json = _serializer.Serialize(workflowDefinition);
var deserializedWorkflowDefinition = _serializer.Deserialize <WorkflowDefinition>(json);
return(await _materializer.CreateWorkflowBlueprintAsync(deserializedWorkflowDefinition));
}
private async Task <IWorkflowBlueprint?> TryMaterializeBlueprintAsync(WorkflowDefinition workflowDefinition, CancellationToken cancellationToken)
{
try
{
return(await _workflowBlueprintMaterializer.CreateWorkflowBlueprintAsync(workflowDefinition, cancellationToken));
}
catch (Exception e)
{
_logger.LogWarning(e, "Failed to materialize workflow definition {WorkflowDefinitionId} with version {WorkflowDefinitionVersion}", workflowDefinition.DefinitionId, workflowDefinition.Version);
}
return(null);
}
public override async IAsyncEnumerable <IWorkflowBlueprint> GetWorkflowsAsync([EnumeratorCancellation] CancellationToken cancellationToken)
{
var blobs = await _storage.ListFilesAsync(new ListOptions(), cancellationToken);
foreach (var blob in blobs)
{
var json = await _storage.ReadTextAsync(blob.FullPath, Encoding.UTF8, cancellationToken);
var model = _contentSerializer.Deserialize <WorkflowDefinition>(json);
var blueprint = await _workflowBlueprintMaterializer.CreateWorkflowBlueprintAsync(model, cancellationToken);
yield return(blueprint);
}
}
protected override async ValueTask <IEnumerable <IWorkflowBlueprint> > OnGetWorkflowsAsync(CancellationToken cancellationToken)
{
var workflowDefinitions = await _workflowDefinitionStore.FindManyAsync(Specification <WorkflowDefinition> .Identity, cancellationToken : cancellationToken);
return(await Task.WhenAll(workflowDefinitions.Select(async x => await _workflowBlueprintMaterializer.CreateWorkflowBlueprintAsync(x, cancellationToken))));
}
