Examples with IntersectionComputer org.openkilda.wfm.share.service.IntersectionComputer used on opensource projects

Example 1 with IntersectionComputer

use of org.openkilda.wfm.share.service.IntersectionComputer in project open-kilda by telstra.

the class FlowOperationsService method getFlowPath.

/**
 * Returns flow path. If flow has group, returns also path for each flow in group.
 *
 * @param flowId the flow to get a path.
 */
public List<FlowPathDto> getFlowPath(String flowId) throws FlowNotFoundException {
    flowDashboardLogger.onFlowPathsRead(flowId);
    Flow flow = flowRepository.findById(flowId).orElseThrow(() -> new FlowNotFoundException(flowId));
    String groupId = flow.getDiverseGroupId();
    if (groupId == null) {
        return Collections.singletonList(toFlowPathDtoBuilder(flow).build());
    } else {
        Collection<Flow> flowsInGroup = flowRepository.findByDiverseGroupId(groupId);
        Collection<FlowPath> flowPathsInGroup = flowPathRepository.findByFlowGroupId(groupId);
        IntersectionComputer primaryIntersectionComputer = new IntersectionComputer(flow.getFlowId(), flow.getForwardPathId(), flow.getReversePathId(), flowPathsInGroup);
        // target flow primary path
        FlowPathDtoBuilder targetFlowDtoBuilder = this.toFlowPathDtoBuilder(flow).segmentsStats(primaryIntersectionComputer.getOverlappingStats());
        // other flows in the the group
        List<FlowPathDto> payloads = flowsInGroup.stream().filter(e -> !e.getFlowId().equals(flowId)).map(e -> this.mapGroupPathFlowDto(e, true, primaryIntersectionComputer)).collect(Collectors.toList());
        if (flow.isAllocateProtectedPath()) {
            IntersectionComputer protectedIntersectionComputer = new IntersectionComputer(flow.getFlowId(), flow.getProtectedForwardPathId(), flow.getProtectedReversePathId(), flowPathsInGroup);
            // target flow protected path
            targetFlowDtoBuilder.protectedPath(FlowProtectedPathDto.builder().forwardPath(buildPathFromFlow(flow, flow.getProtectedForwardPath())).reversePath(buildPathFromFlow(flow, flow.getProtectedReversePath())).segmentsStats(protectedIntersectionComputer.getOverlappingStats()).build());
            // other flows in the the group
            List<FlowPathDto> protectedPathPayloads = flowsInGroup.stream().filter(e -> !e.getFlowId().equals(flowId)).map(e -> this.mapGroupPathFlowDto(e, false, protectedIntersectionComputer)).collect(Collectors.toList());
            payloads = union(payloads, protectedPathPayloads);
        }
        payloads.add(targetFlowDtoBuilder.build());
        return payloads;
    }
}