protected void multi_instance_split_expression(Func <object> dataSplitQuery, string code)
{
TaskDef tsk = _curTask != null ? _curTask : (TaskDef)_currentCompositeTask;
string k = DslUtil.TaskMultiInstanceSplitKey(tsk.Id);
tsk.MultiInstanceSplitExpression = string.IsNullOrEmpty(code) ? "# compiled code block" : code;
_variableBinds[k] = dataSplitQuery;
}
public IEnumerable <Dictionary <string, object> > PrepareMultiInstanceTaskInputData(CompositeTaskInstance cti, TaskDef childTask, ITaskExecutionContext ctx)
{
if (!childTask.IsMultiInstance)
{
throw new Exception();
}
var k = DslUtil.TaskMultiInstanceSplitKey(childTask.Id);
Func <object> fun = _pd._variableBinds[k];
if (fun == null)
{
throw new Exception();
}
_pd.SetTaskInstanceInfo(cti, ctx);
SC.IEnumerable enu;
var val = fun();
enu = val is SC.IEnumerable ? (SC.IEnumerable)val : new object[] { val };
List <Dictionary <string, object> > ret = new List <Dictionary <string, object> >();
foreach (object item in enu)
{
if (item is Dictionary <string, object> )
{
ret.Add((Dictionary <string, object>)item);
}
else if (item is SC.IDictionary)
{
ret.Add(ToTaskData((SC.IDictionary)item));
}
else
{
throw new Exception();
}
}
return(ret);
/*
* ITaskScript scr = Context.ScriptManager.GetTaskScript(this.ParentProcess, taskId);
* Task tsk = MyTask.RequireTask(taskId);
* scr.TaskContext = Context;
* Dictionary<string, object> srcData = new Dictionary<string, object>(TaskData);
* scr.SourceData = srcData;
* object obj = scr.EvalMultiInstanceSplitQuery();
* IEnumerable enu;
* if (obj is IEnumerable)
* enu = (IEnumerable)obj;
* else
* {
* ArrayList al = new ArrayList();
* al.Add(obj);
* enu = al;
* }
* List<Dictionary<string, object>> lst = new List<Dictionary<string, object>>();
*
* foreach (object v in enu)
* {
* srcData[tsk.MultiInstanceItemAlias] = v;
* lst.Add(ExecuteInputDataBindings(scr, tsk));
* }
* return lst;
*/
throw new NotImplementedException();
}
