@Override public void rollback(FlowTrigger chain, Map data) { List<VirtualRouterPortForwardingRuleRefVO> refs = (List<VirtualRouterPortForwardingRuleRefVO>) data.get(VirtualRouterSyncPortForwardingRulesOnStartFlow.class.getName()); if (refs != null) { dbf.removeCollection(refs, VirtualRouterPortForwardingRuleRefVO.class); } chain.rollback(); }