public static void FreeExecutionContext(IMExSession context)
{
if (MExEvents.mexRuntime == null)
{
throw new InvalidOperationException("Initialize() must be called before FreeExecutionContext()");
}
context.Close();
}
private static void OnAgentInvokeStart(object dispatcher, IMExSession context)
{
IActivityScope currentActivityScope = ActivityContext.GetCurrentActivityScope();
if (currentActivityScope != null)
{
currentActivityScope.Action = context.CurrentAgent.Name;
}
}
private static void OnAgentInvokeReturns(object dispatcher, IMExSession context)
{
IActivityScope currentActivityScope = ActivityContext.GetCurrentActivityScope();
if (currentActivityScope != null)
{
currentActivityScope.Action = null;
}
}
public static IMExSession GetExecutionContext(StoreDriverServer storeDriverServer)
{
if (MExEvents.mexRuntime == null)
{
throw new InvalidOperationException("Initialize() must be called before GetExecutionContext()");
}
IMExSession imexSession = MExEvents.mexRuntime.CreateSession(storeDriverServer, "SD");
imexSession.Dispatcher.OnAgentInvokeStart += new AgentInvokeStartHandler(MExEvents.OnAgentInvokeStart);
imexSession.Dispatcher.OnAgentInvokeEnd += new AgentInvokeEndHandler(MExEvents.OnAgentInvokeReturns);
return(imexSession);
}
public static void RaiseEvent(IMExSession mexSession, string eventTopic, params object[] contexts)
{
if (MExEvents.mexRuntime == null)
{
throw new InvalidOperationException("Initialize() must be called before RaiseEvent()");
}
IAsyncResult asyncResult = null;
try
{
asyncResult = mexSession.BeginInvoke(eventTopic, contexts[0], contexts[1], null, null);
mexSession.EndInvoke(asyncResult);
}
catch (LocalizedException e)
{
MExEvents.HandleAgentExchangeExceptions(mexSession, e);
}
MExAsyncResult mexAsyncResult = (MExAsyncResult)asyncResult;
if (mexAsyncResult != null && mexAsyncResult.AsyncException != null)
{
throw new StoreDriverAgentRaisedException(mexAsyncResult.FaultyAgentName, mexAsyncResult.AsyncException);
}
}
public static void HandleAgentExchangeExceptions(IMExSession mexSession, LocalizedException e)
{
TraceHelper.ExtensibilityTracer.TraceFail <string, string, LocalizedException>(TraceHelper.MessageProbeActivityId, 0L, "Agent {0} running in context {1} hit Unhandled Exception {2}", (mexSession.CurrentAgent == null) ? null : mexSession.CurrentAgent.Name, mexSession.EventTopic, e);
}
public static IMExSession CloneExecutionContext(IMExSession mexSession)
{
return((IMExSession)mexSession.Clone());
}
