public async Task <IActionResult> Handle(string id, CancellationToken cancellationToken = default)
{
var result = await _canceller.CancelAsync(id, cancellationToken);
return(result.Status switch
{
CancelWorkflowInstanceResultStatus.NotFound => NotFound(),
CancelWorkflowInstanceResultStatus.InvalidStatus => BadRequest($"Cannot cancel a workflow instance with status {result.WorkflowInstance!.WorkflowStatus}"),
_ => Ok()
});
public async Task <IActionResult> Handle(BulkCancelWorkflowsRequest request, CancellationToken cancellationToken = default)
{
var tasks = request.WorkflowInstanceIds.Select(x => _workflowInstanceCanceller.CancelAsync(x, cancellationToken));
var results = await Task.WhenAll(tasks);
var count = results.Where(x => x.Status == CancelWorkflowInstanceResultStatus.Ok);
return(Json(new
{
CancelledWorkflowCount = count
}, _serializerSettingsProvider.GetSettings()));
}
public async Task <CancelWorkflowInstanceResult> CancelAsync(string workflowInstanceId, CancellationToken cancellationToken = default)
{
var workflowInstanceLockKey = $"workflow-instance:{workflowInstanceId}";
await using var workflowInstanceLockHandle = await _distributedLockProvider.AcquireLockAsync(workflowInstanceLockKey, _elsaOptions.DistributedLockTimeout, cancellationToken);
if (workflowInstanceLockHandle == null)
{
throw new LockAcquisitionException("Could not acquire a lock within the configured amount of time");
}
return(await _workflowInstanceCanceller.CancelAsync(workflowInstanceId, cancellationToken));
}