public virtual void DeleteTask(string taskId, string deleteReason, bool cascade)
{
ITaskEntity task = FindById <ITaskEntity>(taskId);
if (task != null)
{
if (task.ExecutionId is object)
{
throw new ActivitiException("The task cannot be deleted because is part of a running process");
}
DeleteTask(task, deleteReason, cascade, false);
}
else if (cascade)
{
HistoricTaskInstanceEntityManager.Delete(new KeyValuePair <string, object>("id", taskId));
}
}
public virtual void DeleteTask(ITaskEntity task, string deleteReason, bool cascade, bool cancel)
{
if (!task.Deleted)
{
ProcessEngineConfiguration.ListenerNotificationHelper.ExecuteTaskListeners(task, BaseTaskListenerFields.EVENTNAME_DELETE);
task.Deleted = true;
string taskId = task.Id;
IList <ITask> subTasks = FindTasksByParentTaskId(taskId);
foreach (ITask subTask in subTasks)
{
DeleteTask((ITaskEntity)subTask, deleteReason, cascade, cancel);
}
IdentityLinkEntityManager.DeleteIdentityLinksByTaskId(taskId);
VariableInstanceEntityManager.DeleteVariableInstanceByTask(task);
if (cascade)
{
HistoricTaskInstanceEntityManager.Delete(new KeyValuePair <string, object>("id", taskId));
}
else
{
HistoryManager.RecordTaskEnd(taskId, deleteReason);
}
Delete(task, false);
if (EventDispatcher.Enabled)
{
if (cancel && !task.Canceled)
{
task.Canceled = true;
EventDispatcher.DispatchEvent(ActivitiEventBuilder.CreateActivityCancelledEvent(task.Execution?.ActivityId, task.Name, task.ExecutionId, task.ProcessInstanceId, task.ProcessDefinitionId, "userTask", deleteReason));
}
EventDispatcher.DispatchEvent(ActivitiEventBuilder.CreateEntityEvent(ActivitiEventType.ENTITY_DELETED, task));
}
}
}
