private string LastActivityKey(WfCreateActivityFunctionContext callerContext)
{
string result = string.Empty;
if (callerContext.ProcessDescriptor.CompletedActivity != null)
{
result = callerContext.ProcessDescriptor.CompletedActivity.Key;
}
return(result);
}
private string DefaultNextActivityKey(WfCreateActivityFunctionContext callerContext)
{
string result = string.Empty;
if (callerContext.CurrentActivityParam.DefaultNextDescriptor != null)
{
result = callerContext.CurrentActivityParam.DefaultNextDescriptor.Key;
}
return(result);
}
private string MatchedActivityKey(string key, WfCreateActivityFunctionContext callerContext)
{
string result = string.Empty;
IWfActivityDescriptor matchedActivityDesp = callerContext.ProcessDescriptor.Activities[key];
if (matchedActivityDesp != null)
{
result = matchedActivityDesp.Key;
}
return(result);
}
private string SNActivityKey(int sn, WfCreateActivityFunctionContext callerContext)
{
string result = string.Empty;
WfCreateActivityParam matchParam = callerContext.CreateActivityParams.FindByActivitySN(sn);
if (matchParam != null && matchParam.CreatedDescriptor != null)
{
result = matchParam.CreatedDescriptor.Key;
}
return(result);
}
private string MatchedCodeNameActivityKey(string codeName, WfCreateActivityFunctionContext callerContext)
{
string result = string.Empty;
IWfActivityDescriptor matchedActivityDesp = callerContext.ProcessDescriptor.Activities.Find(actDesp => actDesp.CodeName == codeName);
if (matchedActivityDesp != null)
{
result = matchedActivityDesp.Key;
}
return(result);
}
private string FindActivityKeyByActivityDescription(IWfProcessDescriptor processDesp, WfCreateActivityParam currentCap, string toActivityDesp)
{
WfCreateActivityFunctionContext context = new WfCreateActivityFunctionContext(processDesp, this, currentCap);
int sn = 0;
if (int.TryParse(toActivityDesp, out sn))
{
toActivityDesp = string.Format("SN({0})", sn);
}
return((string)ExpressionParser.Calculate(toActivityDesp, new CalculateUserFunction(WfCreateActivityBuiltInFunctions.Instance.Calculate), context));
}
