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package org.onap.vid.controller;
import org.onap.vid.aai.model.AaiGetNetworkCollectionDetails.Network;
import org.onap.vid.aai.model.AaiGetNetworkCollectionDetails.ServiceInstance;
import org.onap.vid.aai.model.AaiGetNetworkCollectionDetails.Vlan;
import org.onap.vid.aai.model.AaiGetNetworkCollectionDetails.Vnf;
import org.onap.vid.aai.util.ServiceInstanceStandardQuery;
import org.onap.vid.asdc.AsdcCatalogException;
import org.onap.vid.exceptions.GenericUncheckedException;
import org.onap.vid.model.ServiceModel;
import org.onap.vid.model.VidNotions;
import org.onap.vid.properties.Features;
import org.onap.vid.services.VidService;
import org.onap.vid.utils.Multival;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.togglz.core.manager.FeatureManager;
import javax.servlet.http.HttpServletRequest;
import java.util.Collection;
import java.util.Collections;
import java.util.UUID;
import static java.util.stream.Collectors.toList;
@RestController
@RequestMapping(AaiServiceInstanceStandardQueryController.AAI_STANDARD_QUERY)
public class AaiServiceInstanceStandardQueryController extends VidRestrictedBaseController {
public static final String AAI_STANDARD_QUERY = "aai/standardQuery";
private final ServiceInstanceStandardQuery serviceInstanceStandardQuery;
private final FeatureManager featureManager;
private final VidService sdcService;
@Autowired
public AaiServiceInstanceStandardQueryController(FeatureManager featureManager, ServiceInstanceStandardQuery serviceInstanceStandardQuery, VidService sdcService) {
this.featureManager = featureManager;
this.serviceInstanceStandardQuery = serviceInstanceStandardQuery;
this.sdcService = sdcService;
}
@RequestMapping(value = "vlansByNetworks", method = RequestMethod.GET)
public VlansByNetworksHierarchy getNetworksToVlansByServiceInstance(HttpServletRequest request,
@RequestParam("sdcModelUuid") UUID sdcModelUuid,
@RequestParam("globalCustomerId") String globalCustomerId,
@RequestParam("serviceType") String serviceType,
@RequestParam("serviceInstanceId") String serviceInstanceId
) throws AsdcCatalogException {
if (!featureManager.isActive(Features.FLAG_PRESENT_PROVIDER_NETWORKS_ASSOCIATIONS)) {
return new VlansByNetworksHierarchy();
}
if (!isModelOf5g(sdcModelUuid)) {
return new VlansByNetworksHierarchy();
}
final ServiceInstance serviceInstance =
serviceInstanceStandardQuery.fetchServiceInstance(globalCustomerId, serviceType, serviceInstanceId);
Multival<ServiceInstance, Multival<Vnf, Multival<Network, Vlan>>> l3NetworksWithVlansForVnfForService = fetchVnfsForService(serviceInstance);
Multival<ServiceInstance, Multival<Network, Vlan>> l3NetworksWithVlansForService = fetchNetworksForService(serviceInstance);
// translate to response's format
return new VlansByNetworksHierarchy(
l3NetworksWithVlansForService.getValues().stream().map(this::translateNetworksFormat
).collect(toList()),
l3NetworksWithVlansForVnfForService.getValues().stream().map(vnfWithNetworks ->
new VnfVlansByNetworks(vnfWithNetworks.getKey().getVnfId(),
vnfWithNetworks.getValues().stream().map(this::translateNetworksFormat
).collect(toList())
)
).collect(toList())
);
}
private Multival<ServiceInstance, Multival<Vnf, Multival<Network, Vlan>>> fetchVnfsForService(ServiceInstance serviceInstance) {
final Multival<ServiceInstance, Vnf> vnfsForService =
serviceInstanceStandardQuery.fetchRelatedVnfs(serviceInstance);
final Multival<ServiceInstance, Multival<Vnf, Network>> vnfsWithL3NetworksForService =
vnfsForService.mapEachVal(vnf -> serviceInstanceStandardQuery.fetchRelatedL3Networks("vnf", vnf));
return vnfsWithL3NetworksForService.mapEachVal(vnfMulti->
vnfMulti.mapEachVal(serviceInstanceStandardQuery::fetchRelatedVlanTags)
);
}
private Multival<ServiceInstance, Multival<Network, Vlan>> fetchNetworksForService(ServiceInstance serviceInstance) {
final Multival<ServiceInstance, Network> l3NetworksForService =
serviceInstanceStandardQuery.fetchRelatedL3Networks("service", serviceInstance);
return l3NetworksForService.mapEachVal(serviceInstanceStandardQuery::fetchRelatedVlanTags);
}
private NetworksToVlans translateNetworksFormat(Multival<Network, Vlan> networkWithVlan) {
return new NetworksToVlans(
networkWithVlan.getKey().getNetworkId(),
networkWithVlan.getKey().getNetworkName(),
networkWithVlan.getKey().getNetworkType(),
networkWithVlan.getKey().getOrchestrationStatus(),
networkWithVlan.getValues().stream().map(
vlan -> new NetworksToVlans.Vlan(vlan.getVlanIdInner())
).collect(toList())
);
}
protected boolean isModelOf5g(UUID sdcModelUuid) throws AsdcCatalogException {
final ServiceModel serviceModel = sdcService.getService(sdcModelUuid.toString());
if (serviceModel == null) {
throw new GenericUncheckedException("Internal error while fetching Service Model: " + sdcModelUuid);
}
VidNotions.ModelCategory serviceModelCategory = serviceModel.getService().getVidNotions().getModelCategory();
return serviceModelCategory.equals(VidNotions.ModelCategory.IS_5G_PROVIDER_NETWORK_MODEL) ||
serviceModelCategory.equals(VidNotions.ModelCategory.IS_5G_FABRIC_CONFIGURATION_MODEL);
}
protected static class VlansByNetworksHierarchy {
public final Collection<NetworksToVlans> serviceNetworks;
public final Collection<VnfVlansByNetworks> vnfNetworks;
public VlansByNetworksHierarchy() {
this(Collections.emptySet(), Collections.emptySet());
}
public VlansByNetworksHierarchy(Collection<NetworksToVlans> serviceNetworks, Collection<VnfVlansByNetworks> vnfNetworks) {
this.serviceNetworks = serviceNetworks;
this.vnfNetworks = vnfNetworks;
}
}
protected static class VnfVlansByNetworks {
public final String vnfId;
public final Collection<NetworksToVlans> networks;
public VnfVlansByNetworks(String vnfId, Collection<NetworksToVlans> networks) {
this.vnfId = vnfId;
this.networks = networks;
}
}
protected static class NetworksToVlans {
public final String networkId;
public final String name;
public final String nodeType;
public final String nodeStatus;
public final Collection<Vlan> vlans;
private NetworksToVlans(String networkId, String name, String nodeType, String nodeStatus, Collection<Vlan> vlans) {
this.networkId = networkId;
this.name = name;
this.nodeType = nodeType;
this.nodeStatus = nodeStatus;
this.vlans = vlans;
}
private static class Vlan {
public final String vlanIdInner;
private Vlan(String vlanIdInner) {
this.vlanIdInner = vlanIdInner;
}
}
}
}
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