protected void UpdateTask(string instanceId, Action <TaskInstance> act)
{
RunProcessTransaction(this.DefaultPersistenceMode, ps =>
{
string ol = MappedDiagnosticsContext.Get("NG_TaskInstanceId");
try
{
MappedDiagnosticsContext.Set("NG_TaskInstanceId", instanceId);
var ti = ps.TaskPersister.GetForUpdate(instanceId);
if (ti == null)
{
log.Warn("Task instance not found: {0}", instanceId);
var pti = (CompositeTaskInstance)ps.TaskPersister.GetForRead(InstanceId.GetParentTaskInstanceId(instanceId));
if (pti == null)
{
throw new Exception("Task instance not found and no parent. Instance ID: " + instanceId);
}
var tin = pti.GetChildTransitionInfo(instanceId);
if (tin == null)
{
throw new Exception("Task instance not found anywhere: " + instanceId);
}
log.Info("Task instance not found, parent says that status is {0}", tin.Status);
return;
}
;
var pd = this.GetProcessDef(ti.ProcessDefinitionId);
var pscript = this.GetProcessScriptRuntime(ti.ProcessDefinitionId);
ti.Activate(ps, pd, pscript);
var pstat = ti.Status;
act(ti);
OnTaskInstanceStatusChange(ti, pstat);
ti.Deactivate();
ps.TaskPersister.Update(ti);
}
finally
{
MappedDiagnosticsContext.Set("NG_TaskInstanceId", ol);
}
});
}