{
String msg = LogUtil.error(getClass(), "Invalid $0 activity argument (argument value $1, token $2).", PARAM_ROLLBACKPOSITIONBEHAVIOR, rollbackPositionBehaviorStr, hc.getTokenContext());
throw new EngineException("InvalidActivityArgument", msg);
}
StandardRollbackProcessor rollbackProcessor = new StandardRollbackProcessor();
rollbackProcessor.setRollbackDataBehavior(rollbackDataBehavior);
rollbackProcessor.setRollbackPositionBehavior(rollbackPositionBehavior);
rollbackProcessor.performRollback(hc);
return true;
// }}*Handler implementation*
}