async Task <WorkflowProcessingResult> IWorkflowEngine.ProcessEvent(Guid workflowId, IEvent @event, CancellationToken cancellationToken)
{
var started = DateTime.UtcNow;
var stopwatch = Stopwatch.StartNew();
WorkflowProcessingResult workflowProcessingResult = null;
try
{
workflowProcessingResult = await ProcessEventInternal(workflowId, @event, cancellationToken).ConfigureAwait(false);
return(workflowProcessingResult);
}
finally
{
stopwatch.Stop();
Log.Debug("Finished execution of an event=[{code}] {duration}, {workflowInstanceId}",
@event.Code, stopwatch.Elapsed, workflowProcessingResult?.WorkflowInstance?.Id);
if (null != workflowProcessingResult?.WorkflowInstance)
{
// 1. save workflow event execution log into store
var workflowInstanceEventLog = new WorkflowInstanceEventLog(workflowProcessingResult.WorkflowInstance.Id, @event.Code, started, (int)stopwatch.ElapsedMilliseconds);
await WorkflowEngineBuilder.WorkflowStore.SaveWorkflowInstanceEventLog(workflowInstanceEventLog, cancellationToken).ConfigureAwait(false);
// 2. make sure that workflow instance lock is removed for non hierarchical events
if (!(@event is IHierarchicalEvent))
{
await UnlockWorkflowInstance(workflowProcessingResult.WorkflowInstance, cancellationToken).ConfigureAwait(false);
}
}
}
}
async Task <WorkflowProcessingResult> IWorkflowEngine.ProcessMessage(IWorkflowMessage workflowMessage, CancellationToken cancellationToken)
{
var started = DateTime.UtcNow;
var stopwatch = Stopwatch.StartNew();
WorkflowProcessingResult workflowProcessingResult = null;
try
{
switch (workflowMessage)
{
case IEventRequestWorkflowMessage eventWorkflowMessage:
workflowProcessingResult = await ProcessMessageInternal(eventWorkflowMessage, cancellationToken).ConfigureAwait(false);
break;
case IAsynchronousTransitionWorkflowMessage asynchronousTransitionWorkflowMessage:
workflowProcessingResult = await ProcessMessageInternal(asynchronousTransitionWorkflowMessage, cancellationToken).ConfigureAwait(false);
break;
case IDelayedTransitionWorkflowMessage delayedTransitionWorkflowMessage:
workflowProcessingResult = await ProcessMessageInternal(delayedTransitionWorkflowMessage, cancellationToken).ConfigureAwait(false);
break;
default:
workflowProcessingResult = await ProcessMessageInternal(workflowMessage, cancellationToken).ConfigureAwait(false);
break;
}
return(workflowProcessingResult);
}
finally
{
stopwatch.Stop();
if (Log.IsEnabled(LogEventLevel.Verbose))
{
Log.Verbose("Finished processing of a {messageID}, {duration}, {workflowInstanceId}",
workflowMessage.WorkflowMessageId, stopwatch.Elapsed, workflowProcessingResult?.WorkflowInstance?.Id);
}
if (null != workflowProcessingResult?.WorkflowInstance)
{
// 1. save workflow message execution log into store
var workflowInstanceMessageLog = new WorkflowInstanceMessageLog(workflowProcessingResult.WorkflowInstance.Id, workflowMessage.WorkflowMessageId,
workflowMessage.GetType().Name, started, (int)stopwatch.ElapsedMilliseconds);
await WorkflowEngineBuilder.WorkflowStore.SaveWorkflowInstanceMessageLog(workflowInstanceMessageLog, cancellationToken).ConfigureAwait(false);
// 2. make sure that workflow instance lock is removed
if (workflowProcessingResult.WorkflowInstance.Lock.LockedAt < workflowProcessingResult.WorkflowInstance.Lock.LockedUntil)
{
await UnlockWorkflowInstance(workflowProcessingResult.WorkflowInstance, cancellationToken).ConfigureAwait(false);
}
}
}
}
