@Override
protected void doEvaluate(TExecutionContext context, LazyList<? extends ValueSource> inputs, ValueTarget output)
{
String ret = null;
InvalidOperationException error = null;
if ((error = (InvalidOperationException) context.preptimeObjectAt(ERROR_INDEX)) == null
&& (ret = (String)context.preptimeObjectAt(RET_INDEX)) == null)
{
Object objs[] = computeResult (getYMDHMS(inputs.get(0)),