/// <summary>
/// Stores the provided exception on this <seealso cref="CommandContext"/> instance.
/// That exception will be rethrown at the end of closing the <seealso cref="CommandContext"/> instance.
/// <para>
/// If there is already an exception being stored, a 'masked exception' message will be logged.
/// </para>
/// </summary>
public virtual void SetException(Exception exception)
{
if (_exception is null)
{
_exception = exception;
}
else
{
log.LogError("masked exception in command context. for root cause, see below as it will be rethrown later.", exception);
LogMDC.Clear();
}
}
/// <summary>
///
/// </summary>
/// <param name="flowNode"></param>
protected internal virtual void ExecuteSynchronous(FlowNode flowNode)
{
// Execution listener
if (CollectionUtil.IsNotEmpty(flowNode.ExecutionListeners))
{
ExecuteExecutionListeners(flowNode, BaseExecutionListenerFields.EVENTNAME_START);
}
commandContext.HistoryManager.RecordActivityStart(execution);
// Execute actual behavior
IActivityBehavior activityBehavior = (IActivityBehavior)flowNode.Behavior;
if (activityBehavior != null)
{
logger.LogDebug($"Executing activityBehavior {activityBehavior.GetType()} on activity '{flowNode.Id}' with execution {execution.Id}");
ProcessEngineConfigurationImpl processEngineConfiguration = Context.ProcessEngineConfiguration;
if (processEngineConfiguration != null && processEngineConfiguration.EventDispatcher.Enabled)
{
processEngineConfiguration.EventDispatcher.DispatchEvent(ActivitiEventBuilder.CreateActivityEvent(ActivitiEventType.ACTIVITY_STARTED, flowNode.Id, flowNode.Name, execution.Id, execution.ProcessInstanceId, execution.ProcessDefinitionId, flowNode));
}
try
{
activityBehavior.Execute(execution);
}
catch (BpmnError error)
{
// re-throw business fault so that it can be caught by an Error Intermediate Event or Error Event Sub-Process in the process
ErrorPropagation.PropagateError(error, execution);
}
catch (Exception e)
{
if (LogMDC.MDCEnabled)
{
LogMDC.PutMDCExecution(execution);
}
throw e;
}
}
else
{
logger.LogDebug($"No activityBehavior on activity '{flowNode.Id}' with execution {execution.Id}");
}
}