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);
}
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);
_pd.SetInputData(null);
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._exprs.ContainsKey(k))
{
throw new Exception("!");
}
ti.TaskData[bd.Target] = _pd._exprs[k]();
break;
}
}
}
}
public CompositeTaskInstanceInfo GetTaskInstanceInfo(string instanceId)
{
CompositeTaskInstanceInfo ret = null;
RunProcessTransaction(this.DefaultPersistenceMode, ps =>
{
CompositeTaskInstance cti = (CompositeTaskInstance)ps.PersisterSession.GetForRead(instanceId);
CompositeTaskInstanceInfo rt = new CompositeTaskInstanceInfo();
rt.InstanceId = cti.InstanceId;
rt.TaskId = cti.TaskId;
rt.ProcessDefinitionId = cti.ProcessDefinitionId;
rt.ProcessInstanceId = cti.ProcessInstanceId;
rt.Marking = cti.Marking.Where(x => x.Value > 0).Select(x => x.Key).ToList();
rt.ActiveTasks = cti.ActiveTasks.Select(x => x.TaskId).ToList();
ret = rt;
});
return(ret);
}
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();
}
