protected void input_bindings_code(Func <SC.IDictionary> fun, string codeStr)
{
TaskDef tsk = _curTask != null ? _curTask : (TaskDef)_currentCompositeTask;
string k = DslUtil.TaskInputDataBindingKey(tsk.Id);
_variableBinds[k] = fun;
}
public Dictionary <string, object> PrepareChildTaskInputData(CompositeTaskInstance cti, TaskDef childTask, ITaskExecutionContext ctx)
{
_pd.SetTaskInstanceInfo(cti, ctx);
string k1 = DslUtil.TaskInputDataBindingKey(childTask.Id);
if (_pd._variableBinds.ContainsKey(k1))
{
//get full data record
SC.IDictionary dic = (SC.IDictionary)_pd._variableBinds[k1]();
return(ToTaskData(dic));
}
Dictionary <string, object> ret = new Dictionary <string, object>();
if (childTask.Variables != null)
{
if (childTask.AutoBindVariables)
{
foreach (var vd in childTask.Variables)
{
if (vd.VariableDir == ProcessModel.Data.VariableDef.Dir.In ||
vd.VariableDir == ProcessModel.Data.VariableDef.Dir.InOut)
{
//TODO add type conversion/control
if (cti.TaskData.ContainsKey(vd.Name))
{
ret[vd.Name] = cti.TaskData[vd.Name];
}
}
}
}
if (childTask.InputDataBindings != null)
{
foreach (var bd in childTask.InputDataBindings)
{
if (bd.BindType == DataBindingType.CopyVar)
{
ret[bd.Target] = cti.TaskData[bd.Source];
}
else if (bd.BindType == DataBindingType.Literal)
{
ret[bd.Target] = bd.Source;
}
else if (bd.BindType == DataBindingType.Expr)
{
string k = DslUtil.TaskVarInBindingKey(childTask.Id, bd.Target);
if (!_pd._variableBinds.ContainsKey(k))
{
throw new Exception("Fail: missing delegate: " + k);
}
ret[bd.Target] = _pd._variableBinds[k]();
}
}
}
}
return(ret);
}