Examples with YFlowRerouteFsm org.openkilda.wfm.topology.flowhs.fsm.yflow.reroute.YFlowRerouteFsm used on opensource projects

Example 6 with YFlowRerouteFsm

use of org.openkilda.wfm.topology.flowhs.fsm.yflow.reroute.YFlowRerouteFsm in project open-kilda by telstra.

the class StartReroutingYFlowAction method perform.

@Override
protected void perform(State from, State to, Event event, YFlowRerouteContext context, YFlowRerouteFsm stateMachine) {
    String yFlowId = stateMachine.getYFlowId();
    List<FlowPath> flowPaths = transactionManager.doInTransaction(() -> {
        YFlow yFlow = getYFlow(yFlowId);
        saveOldResources(stateMachine, yFlow);
        stateMachine.setDeleteOldYFlowCommands(buildYFlowDeleteCommands(yFlow, stateMachine.getCommandContext()));
        SwitchId sharedSwitchId = yFlow.getSharedEndpoint().getSwitchId();
        return yFlow.getSubFlows().stream().map(YSubFlow::getFlow).flatMap(flow -> Stream.of(flow.getForwardPath(), flow.getReversePath())).filter(path -> sharedSwitchId.equals(path.getSrcSwitchId())).collect(Collectors.toList());
    });
    stateMachine.setOldYFlowPathCookies(flowPaths.stream().map(FlowPath::getCookie).map(FlowSegmentCookie::getValue).collect(Collectors.toList()));
    List<PathSegment> sharedPathSegments = IntersectionComputer.calculatePathIntersectionFromSource(flowPaths);
    PathInfoData sharedPath = FlowPathMapper.INSTANCE.map(sharedPathSegments);
    stateMachine.setOldSharedPath(sharedPath);
    List<SubFlowPathDto> subFlowPathDtos = flowPaths.stream().map(flowPath -> new SubFlowPathDto(flowPath.getFlowId(), FlowPathMapper.INSTANCE.map(flowPath))).sorted(Comparator.comparing(SubFlowPathDto::getFlowId)).collect(Collectors.toList());
    stateMachine.setOldSubFlowPathDtos(subFlowPathDtos);
}