public override BaseActivity GetNextActivity()
{
if (If == null)
{
return(null);
}
BaseActivity resultActivity = null;
var ifResult = If();
if (ifResult)
{
if (True != null)
{
resultActivity = True();
}
}
else
{
if (False != null)
{
resultActivity = False();
}
}
return(resultActivity);
}
public override BaseActivity GetNextActivity()
{
var activityWithConditionQueue = ActivityWithConditionQueue;
var defaultActivity = DefaultActivity ?? FuncHelper <BaseActivity> .DoNothingReturnDefault;
if (activityWithConditionQueue == null)
{
// Have no activities queue.
return(defaultActivity());
}
BaseActivity resultActivity = null;
// Using of the hasVariant flag because the resultActivity allowed to be null.
var hasVariant = false;
foreach (var conditionAndActivity in activityWithConditionQueue)
{
if (conditionAndActivity == null)
{
continue;
}
if (conditionAndActivity.Condition == null)
{
continue;
}
if (conditionAndActivity.Condition())
{
// It is the first satisfactory conditionAndActivityPair pair.
hasVariant = true;
if (conditionAndActivity.Activity != null)
{
resultActivity = conditionAndActivity.Activity();
}
break;
}
}
if (hasVariant == false)
{
// Has no a satisfactory activity.
resultActivity = defaultActivity();
}
return(resultActivity);
}