public void ExecuteChildTaskOutputDataBinding(CompositeTaskInstance ti, TaskDef childTask, Dictionary <string, object> childOutputData, ITaskExecutionContext ctx)
{
if (string.IsNullOrEmpty(ti.InstanceId) ||
string.IsNullOrEmpty(ti.TaskId) ||
string.IsNullOrEmpty(ti.ProcessDefinitionId) ||
string.IsNullOrEmpty(ti.ProcessInstanceId))
{
throw new Exception("Task not inited properly");
}
_pd.SetTaskInstanceInfo(ti, ctx);
_pd.SetOutputData(childOutputData);
var ctd = childTask.Parent;
if (childTask.AutoBindVariables && ctd.Variables != null)
{
foreach (var vd in ctd.Variables)
{
if (childOutputData.ContainsKey(vd.Name))
{
ti.TaskData[vd.Name] = childOutputData[vd.Name];
}
}
}
if (childTask.OutputDataBindings != null)
{
foreach (var bd in childTask.OutputDataBindings)
{
switch (bd.BindType)
{
case DataBindingType.CopyVar:
ti.TaskData[bd.Target] = childOutputData[bd.Source];
break;
case DataBindingType.Literal:
ti.TaskData[bd.Target] = bd.Source;
break;
case DataBindingType.Expr:
string k = DslUtil.TaskVarOutBindingKey(childTask.Id, bd.Target);
if (!_pd._variableBinds.ContainsKey(k))
{
throw new Exception("!");
}
ti.TaskData[bd.Target] = _pd._variableBinds[k]();
break;
}
}
}
}
protected void add_output_binding(string destinationVariable, Func <object> expression, string codeString)
{
var b = new DataBindingDef
{
BindType = DataBindingType.Expr,
Source = codeString,
Target = destinationVariable
};
var k = DslUtil.TaskVarOutBindingKey(_curTask != null ? _curTask.Id : _currentCompositeTask.Id, destinationVariable);
_variableBinds[k] = expression;
if (_curTask != null)
{
_curTask.AddOutputDataBinding(b);
}
else if (_currentCompositeTask != null)
{
_currentCompositeTask.AddOutputDataBinding(b);
}
}
