static void DoWork(object state)
{
if (state == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("state");
}
AsyncCallbackState callbackState = (AsyncCallbackState)state;
bool executingWork = false;
try
{
//If SyncContext is enabled
//We have to do another post to get to correct thread.
if (callbackState.SynchronizationContext != null)
{
SynchronizationContext synchronizationContext = callbackState.SynchronizationContext;
callbackState.SynchronizationContext = null;
SynchronizationContextWorkflowSchedulerService.SynchronizationContextPostHelper.Post(
synchronizationContext,
WorkflowOperationAsyncResult.sendOrPostCallback,
callbackState);
}
else //We are in correct thread to do the work.
{
using (new WorkflowDispatchContext(true))
{
callbackState.WorkflowRequestContext.SetOperationBegin();
executingWork = true;
if (callbackState.WorkflowInstanceLifeTimeManager != null)
{
callbackState.WorkflowInstanceLifeTimeManager.NotifyMessageArrived(callbackState.WorkflowInstance.InstanceId);
}
callbackState.WorkflowInstance.EnqueueItemOnIdle(
callbackState.QueueName,
callbackState.WorkflowRequestContext,
null,
null);
}
}
}
catch (QueueException e)
{
WorkflowOperationFault operationFault = new WorkflowOperationFault(e.ErrorCode);
try
{
if (callbackState.WorkflowInstanceLifeTimeManager != null)
{
callbackState.WorkflowInstanceLifeTimeManager.ScheduleTimer(callbackState.WorkflowInstance.InstanceId);
}
callbackState.WorkflowRequestContext.SendFault(new FaultException(operationFault), null);
}
catch (Exception unhandled)
{
if (Fx.IsFatal(unhandled))
{
throw;
}
// ignore exception; we made best effort to propagate the exception back to the invoker thread
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
try
{
if (callbackState.WorkflowInstanceLifeTimeManager != null)
{
callbackState.WorkflowInstanceLifeTimeManager.ScheduleTimer(callbackState.WorkflowInstance.InstanceId);
}
//We should field only user code exception; Everything else should go abort path.
callbackState.WorkflowRequestContext.GetAsyncResult().SendFault(e, null);
}
catch (Exception e1)
{
if (Fx.IsFatal(e1))
{
throw;
}
// ignore exception; we made best effort to propagate the exception back to the invoker thread
}
}
finally
{
try
{
if (executingWork)
{
callbackState.WorkflowRequestContext.SetOperationCompleted();
}
}
catch (Exception e1)
{
if (Fx.IsFatal(e1))
{
throw;
}
// ignore exception; we made best effort to propagate the exception back to the invoker thread }
}
}
}
static void DoWork(object state)
{
if (state == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("state");
}
AsyncCallbackState callbackState = (AsyncCallbackState) state;
bool executingWork = false;
try
{
//If SyncContext is enabled
//We have to do another post to get to correct thread.
if (callbackState.SynchronizationContext != null)
{
SynchronizationContext synchronizationContext = callbackState.SynchronizationContext;
callbackState.SynchronizationContext = null;
SynchronizationContextWorkflowSchedulerService.SynchronizationContextPostHelper.Post(
synchronizationContext,
WorkflowOperationAsyncResult.sendOrPostCallback,
callbackState);
}
else //We are in correct thread to do the work.
{
using (new WorkflowDispatchContext(true))
{
callbackState.WorkflowRequestContext.SetOperationBegin();
executingWork = true;
if (callbackState.WorkflowInstanceLifeTimeManager != null)
{
callbackState.WorkflowInstanceLifeTimeManager.NotifyMessageArrived(callbackState.WorkflowInstance.InstanceId);
}
callbackState.WorkflowInstance.EnqueueItemOnIdle(
callbackState.QueueName,
callbackState.WorkflowRequestContext,
null,
null);
}
}
}
catch (QueueException e)
{
WorkflowOperationFault operationFault = new WorkflowOperationFault(e.ErrorCode);
try
{
if (callbackState.WorkflowInstanceLifeTimeManager != null)
{
callbackState.WorkflowInstanceLifeTimeManager.ScheduleTimer(callbackState.WorkflowInstance.InstanceId);
}
callbackState.WorkflowRequestContext.SendFault(new FaultException(operationFault), null);
}
catch (Exception unhandled)
{
if (Fx.IsFatal(unhandled))
{
throw;
}
// ignore exception; we made best effort to propagate the exception back to the invoker thread
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
try
{
if (callbackState.WorkflowInstanceLifeTimeManager != null)
{
callbackState.WorkflowInstanceLifeTimeManager.ScheduleTimer(callbackState.WorkflowInstance.InstanceId);
}
//We should field only user code exception; Everything else should go abort path.
callbackState.WorkflowRequestContext.GetAsyncResult().SendFault(e, null);
}
catch (Exception e1)
{
if (Fx.IsFatal(e1))
{
throw;
}
// ignore exception; we made best effort to propagate the exception back to the invoker thread
}
}
finally
{
try
{
if (executingWork)
{
callbackState.WorkflowRequestContext.SetOperationCompleted();
}
}
catch (Exception e1)
{
if (Fx.IsFatal(e1))
{
throw;
}
// ignore exception; we made best effort to propagate the exception back to the invoker thread }
}
}
}
