ExecutionAdministration ea = Shark.getInstance().getAdminInterface().getExecutionAdministration();
ea.connect(userName, passWord, engineName, null);
// parentProcId 为父流程序号, 且parentActivityId是创建子流程的活动序号
WfActivity wfa = ea.getActivity(parentProcId, parentActivityId);
WfProcess[] performers = wfa.get_sequence_performer(0);
if ( performers != null && performers.length > 0 )
{
// subProcId为子流程序号
subProcId = performers[0].key();
}