tapi/src/main/java/org/opendaylight/transportpce/tapi/topology/ConvertORTopoObjectToTapiTopoObject.java

   1 /*
   2  * Copyright © 2019 Orange, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.transportpce.tapi.topology;
   9
  10 import java.math.BigInteger;
  11 import java.util.ArrayList;
  12 import java.util.Arrays;
  13 import java.util.HashMap;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.UUID;
  17 import java.util.stream.Collectors;
  18 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev181130.TerminationPoint1;
  19 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.types.rev181130.xpdr.odu.switching.pools.OduSwitchingPools;
  20 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.types.rev181130.xpdr.odu.switching.pools.odu.switching.pools.NonBlockingList;
  21 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmTpType;
  22 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.xpdr.tp.supported.interfaces.SupportedInterfaceCapability;
  23 import org.opendaylight.yang.gen.v1.http.org.openroadm.otn.network.topology.rev181130.Link1;
  24 import org.opendaylight.yang.gen.v1.http.org.openroadm.otn.network.topology.rev181130.Node1;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.TpId;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.node.TerminationPoint;
  28 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.AdministrativeState;
  29 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.CapacityUnit;
  30 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.ForwardingDirection;
  31 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.LAYERPROTOCOLQUALIFIER;
  32 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.LayerProtocolName;
  33 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.LifecycleState;
  34 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.OperationalState;
  35 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.PortDirection;
  36 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.PortRole;
  37 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.TerminationDirection;
  38 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.TerminationState;
  39 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.Uuid;
  40 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.capacity.TotalSizeBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.capacity.pac.AvailableCapacityBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.Name;
  43 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.NameBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.dsr.rev181210.DIGITALSIGNALTYPE100GigE;
  45 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.dsr.rev181210.DIGITALSIGNALTYPE10GigELAN;
  46 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.odu.rev181210.ODUTYPEODU2E;
  47 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.odu.rev181210.ODUTYPEODU4;
  48 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.photonic.media.rev181210.PHOTONICLAYERQUALIFIEROMS;
  49 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.photonic.media.rev181210.PHOTONICLAYERQUALIFIEROTSi;
  50 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.ForwardingRule;
  51 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.RuleType;
  52 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.link.NodeEdgePoint;
  53 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.link.NodeEdgePointBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.NodeRuleGroup;
  55 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.NodeRuleGroupBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.OwnedNodeEdgePoint;
  57 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.OwnedNodeEdgePointBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.edge.point.MappedServiceInterfacePoint;
  59 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.edge.point.MappedServiceInterfacePointBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.rule.group.Rule;
  61 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.rule.group.RuleBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Link;
  63 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.LinkBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.NodeBuilder;
  65 import org.slf4j.Logger;
  66 import org.slf4j.LoggerFactory;
  67
  68 public class ConvertORTopoObjectToTapiTopoObject {
  69
  70     private static final Logger LOG = LoggerFactory.getLogger(TapiTopologyImpl.class);
  71     private String ietfNodeId;
  72     private List<TerminationPoint> oorClientPortList;
  73     private List<TerminationPoint> oorNetworkPortList;
  74     private OduSwitchingPools oorOduSwitchingPool;
  75     private Uuid tapiTopoUuid;
  76     private List<org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node> tapiNodes;
  77     private List<Link> tapiLinks;
  78     private Map<String, Uuid> uuidMap;
  79
  80     public ConvertORTopoObjectToTapiTopoObject(Node ietfNode, Link1 otnLink, Uuid tapiTopoUuid) {
  81         this.ietfNodeId = ietfNode.getNodeId().getValue();
  82         this.oorClientPortList = ietfNode.augmentation(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
  83             .network.topology.rev180226.Node1.class).getTerminationPoint().stream()
  84             .filter(tp -> tp.augmentation(TerminationPoint1.class).getTpType().getIntValue()
  85             == OpenroadmTpType.XPONDERCLIENT.getIntValue())
  86             .sorted((tp1, tp2) -> tp1.getTpId().getValue().compareTo(tp2.getTpId().getValue()))
  87             .collect(Collectors.toList());
  88         this.oorNetworkPortList = ietfNode.augmentation(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
  89             .network.topology.rev180226.Node1.class).getTerminationPoint().stream()
  90             .filter(tp -> tp.augmentation(TerminationPoint1.class).getTpType().getIntValue()
  91             == OpenroadmTpType.XPONDERNETWORK.getIntValue())
  92             .sorted((tp1, tp2) -> tp1.getTpId().getValue().compareTo(tp2.getTpId().getValue()))
  93             .collect(Collectors.toList());
  94         this.oorOduSwitchingPool = ietfNode.augmentation(Node1.class).getSwitchingPools().getOduSwitchingPools().get(0);
  95         this.tapiTopoUuid = tapiTopoUuid;
  96         this.tapiNodes = new ArrayList<>();
  97         this.tapiLinks = new ArrayList<>();
  98         this.uuidMap = new HashMap<>();
  99     }
 100
 101
 102     public void convertNode() {
 103         //node creation [DSR/ODU]
 104         LOG.info("creation of a DSR/ODU node");
 105         Uuid nodeUuid = new Uuid(UUID.randomUUID().toString());
 106         this.uuidMap.put(this.ietfNodeId + "+DSR", nodeUuid);
 107         List<Name> dsrNodeNames = Arrays.asList(new NameBuilder().setValueName("dsr/odu node name")
 108             .setValue(this.ietfNodeId).build());
 109         List<LayerProtocolName> dsrLayerProtocols = Arrays.asList(LayerProtocolName.DSR, LayerProtocolName.ODU);
 110         org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology
 111             .Node dsrNode = createTapiNode(dsrNodeNames, dsrLayerProtocols);
 112         tapiNodes.add(dsrNode);
 113
 114         //node creation [otsi]
 115         LOG.info("creation of an OTSi node");
 116         nodeUuid = new Uuid(UUID.randomUUID().toString());
 117         this.uuidMap.put(this.ietfNodeId + "+OTSi", nodeUuid);
 118         List<Name> otsiNodeNames = Arrays.asList(new NameBuilder().setValueName("otsi node name")
 119             .setValue(this.ietfNodeId).build());
 120         List<LayerProtocolName> otsiLayerProtocols = Arrays.asList(LayerProtocolName.PHOTONICMEDIA);
 121         org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology
 122             .Node otsiNode = createTapiNode(otsiNodeNames, otsiLayerProtocols);
 123         tapiNodes.add(otsiNode);
 124
 125         //transitional link cration between network nep of DSR/ODU node and iNep of otsi node
 126         LOG.info("creation of transitional links between DSR/ODU and OTSi nodes");
 127         createTapiTransitionalLinks();
 128     }
 129
 130     private org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology
 131         .Node createTapiNode(List<Name> nodeNames, List<LayerProtocolName> layerProtocols) {
 132         Uuid nodeUuid = null;
 133         List<OwnedNodeEdgePoint> onepl = new ArrayList<>();
 134         List<NodeRuleGroup> nodeRuleGroupList = new ArrayList<>();
 135         List<Rule> ruleList = new ArrayList<>();
 136         Rule rule = new RuleBuilder()
 137             .setLocalId("forward")
 138             .setForwardingRule(ForwardingRule.MAYFORWARDACROSSGROUP)
 139             .setRuleType(RuleType.FORWARDING)
 140             .build();
 141         ruleList.add(rule);
 142         if (layerProtocols.contains(LayerProtocolName.DSR)) {
 143             nodeUuid = this.uuidMap.get(this.ietfNodeId + "+DSR");
 144             // client nep creation on DSR/ODU node
 145             for (int i = 0; i < oorClientPortList.size(); i++) {
 146                 Uuid nepUuid = new Uuid(UUID.randomUUID().toString());
 147                 this.uuidMap.put("DSR+" + oorClientPortList.get(i).getTpId().getValue(), nepUuid);
 148                 List<Name> onedNames = Arrays.asList(new NameBuilder().setValueName(new StringBuilder("NodeEdgePoint_C")
 149                     .append(i + 1).toString()).setValue(oorClientPortList.get(i).getTpId().getValue()).build());
 150                 OwnedNodeEdgePoint onep = createNep(oorClientPortList.get(i), onedNames, LayerProtocolName.ETH,
 151                     LayerProtocolName.DSR, true, "DSR+");
 152                 onepl.add(onep);
 153             }
 154             // network nep creation on DSR/ODU node
 155             for (int i = 0; i < oorNetworkPortList.size(); i++) {
 156                 Uuid nepUuid = new Uuid(UUID.randomUUID().toString());
 157                 this.uuidMap.put("DSR+" + oorNetworkPortList.get(i).getTpId().getValue(), nepUuid);
 158                 List<Name> onedNames = Arrays.asList(new NameBuilder().setValueName(new StringBuilder("NodeEdgePoint_N")
 159                     .append(i + 1).toString()).setValue(oorNetworkPortList.get(i).getTpId().getValue()).build());
 160                 OwnedNodeEdgePoint onep = createNep(oorNetworkPortList.get(i), onedNames, LayerProtocolName.ODU,
 161                     LayerProtocolName.DSR, true, "DSR+");
 162                 onepl.add(onep);
 163             }
 164             // create NodeRuleGroup
 165             for (NonBlockingList nbl : this.oorOduSwitchingPool.getNonBlockingList()) {
 166                 List<org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.rule.group
 167                     .NodeEdgePoint> nepList = new ArrayList<>();
 168                 for (TpId tp : nbl.getTpList()) {
 169                     org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.rule.group
 170                         .NodeEdgePoint nep = new org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology
 171                         .rev181210.node.rule.group.NodeEdgePointBuilder()
 172                         .setTopologyUuid(tapiTopoUuid)
 173                         .setNodeUuid(this.uuidMap.get(this.ietfNodeId + "+DSR"))
 174                         .setNodeEdgePointUuid(this.uuidMap.get("DSR+" + tp.getValue()))
 175                         .build();
 176                     nepList.add(nep);
 177                 }
 178                 NodeRuleGroup nodeRuleGroup = new NodeRuleGroupBuilder()
 179                     .setUuid(new Uuid(UUID.randomUUID().toString()))
 180                     .setRule(ruleList)
 181                     .setNodeEdgePoint(nepList)
 182                     .build();
 183                 nodeRuleGroupList.add(nodeRuleGroup);
 184             }
 185         } else if (layerProtocols.contains(LayerProtocolName.PHOTONICMEDIA)) {
 186             nodeUuid = this.uuidMap.get(this.ietfNodeId + "+OTSi");
 187             // iNep creation on otsi node
 188             for (int i = 0; i < oorNetworkPortList.size(); i++) {
 189                 Uuid nepUuid1 = new Uuid(UUID.randomUUID().toString());
 190                 this.uuidMap.put("iOTSi+" + oorNetworkPortList.get(i).getTpId().getValue(), nepUuid1);
 191                 List<Name> onedNames = Arrays.asList(new NameBuilder().setValueName(new StringBuilder("iNodeEdgePoint_")
 192                     .append(i + 1).toString()).setValue(oorNetworkPortList.get(i).getTpId().getValue()).build());
 193                 OwnedNodeEdgePoint onep = createNep(oorNetworkPortList.get(i), onedNames,
 194                     LayerProtocolName.PHOTONICMEDIA, LayerProtocolName.PHOTONICMEDIA, true, "iOTSi+");
 195                 onepl.add(onep);
 196             }
 197             // eNep creation on otsi node
 198             for (int i = 0; i < oorNetworkPortList.size(); i++) {
 199                 Uuid nepUuid2 = new Uuid(UUID.randomUUID().toString());
 200                 this.uuidMap.put("eOTSi+" + oorNetworkPortList.get(i).getTpId().getValue(), nepUuid2);
 201                 List<Name> onedNames = Arrays.asList(new NameBuilder().setValueName(new StringBuilder("eNodeEdgePoint_")
 202                     .append(i + 1).toString()).setValue(oorNetworkPortList.get(i).getTpId().getValue()).build());
 203                 OwnedNodeEdgePoint onep = createNep(oorNetworkPortList.get(i), onedNames,
 204                     LayerProtocolName.PHOTONICMEDIA, LayerProtocolName.PHOTONICMEDIA, true, "eOTSi+");
 205                 onepl.add(onep);
 206             }
 207             // create NodeRuleGroup
 208             for (TerminationPoint tp : this.oorNetworkPortList) {
 209                 List<org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.rule.group
 210                     .NodeEdgePoint> nepList = new ArrayList<>();
 211                 org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.rule.group
 212                     .NodeEdgePoint inep = new org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210
 213                     .node.rule.group.NodeEdgePointBuilder()
 214                     .setTopologyUuid(tapiTopoUuid)
 215                     .setNodeUuid(this.uuidMap.get(this.ietfNodeId + "+OTSi"))
 216                     .setNodeEdgePointUuid(this.uuidMap.get("iOTSi+" + tp.getTpId().getValue()))
 217                     .build();
 218                 org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.node.rule.group
 219                     .NodeEdgePoint enep = new org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210
 220                     .node.rule.group.NodeEdgePointBuilder()
 221                     .setTopologyUuid(tapiTopoUuid)
 222                     .setNodeUuid(this.uuidMap.get(this.ietfNodeId + "+OTSi"))
 223                     .setNodeEdgePointUuid(this.uuidMap.get("eOTSi+" + tp.getTpId().getValue()))
 224                     .build();
 225                 nepList.add(inep);
 226                 nepList.add(enep);
 227                 NodeRuleGroup nodeRuleGroup = new NodeRuleGroupBuilder()
 228                     .setUuid(new Uuid(UUID.randomUUID().toString()))
 229                     .setRule(ruleList)
 230                     .setNodeEdgePoint(nepList)
 231                     .build();
 232                 nodeRuleGroupList.add(nodeRuleGroup);
 233             }
 234         } else {
 235             LOG.error("Undefined LayerProtocolName for {} node {}", nodeNames.get(0).getValueName(), nodeNames.get(0)
 236                 .getValue());
 237         }
 238
 239         // create tapi node
 240         org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node tapiNode =
 241             new NodeBuilder()
 242             .setUuid(nodeUuid)
 243             .setName(nodeNames)
 244             .setLayerProtocolName(layerProtocols)
 245             .setAdministrativeState(AdministrativeState.UNLOCKED)
 246             .setOperationalState(OperationalState.ENABLED)
 247             .setLifecycleState(LifecycleState.INSTALLED)
 248             .setOwnedNodeEdgePoint(onepl)
 249             .setNodeRuleGroup(nodeRuleGroupList)
 250             .build();
 251         return tapiNode;
 252     }
 253
 254     private OwnedNodeEdgePoint createNep(TerminationPoint oorTp, List<Name> nepNames, LayerProtocolName nepProtocol,
 255         LayerProtocolName nodeProtocol, boolean withSip, String keyword) {
 256         String key = keyword + oorTp.getTpId().getValue();
 257         OwnedNodeEdgePointBuilder onepBldr = new OwnedNodeEdgePointBuilder()
 258             .setUuid(this.uuidMap.get(key))
 259             .setLayerProtocolName(nepProtocol)
 260             .setName(nepNames);
 261         if (withSip) {
 262             onepBldr.setMappedServiceInterfacePoint(createSIP(1));
 263         }
 264         onepBldr.setSupportedCepLayerProtocolQualifier(createSupportedCepLayerProtocolQualifier(oorTp, nodeProtocol));
 265         onepBldr.setLinkPortDirection(PortDirection.BIDIRECTIONAL).setLinkPortRole(PortRole.SYMMETRIC)
 266                 .setAdministrativeState(AdministrativeState.UNLOCKED).setOperationalState(OperationalState.ENABLED)
 267                 .setLifecycleState(LifecycleState.INSTALLED).setTerminationDirection(TerminationDirection.BIDIRECTIONAL)
 268                 .setTerminationState(TerminationState.TERMINATEDBIDIRECTIONAL);
 269         return onepBldr.build();
 270     }
 271
 272     private List<MappedServiceInterfacePoint> createSIP(int nb) {
 273         List<MappedServiceInterfacePoint> msipl = new ArrayList<>();
 274         for (int i = 0; i < nb; i++) {
 275             MappedServiceInterfacePoint msip = new MappedServiceInterfacePointBuilder()
 276                 .setServiceInterfacePointUuid(new Uuid(UUID.randomUUID().toString())).build();
 277             msipl.add(msip);
 278         }
 279         return msipl;
 280     }
 281
 282     private List<Class<? extends LAYERPROTOCOLQUALIFIER>> createSupportedCepLayerProtocolQualifier(TerminationPoint tp,
 283         LayerProtocolName lpn) {
 284         List<Class<? extends LAYERPROTOCOLQUALIFIER>> sclpqList = new ArrayList<>();
 285         List<SupportedInterfaceCapability> sicList = tp.augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm
 286             .otn.network.topology.rev181130.TerminationPoint1.class).getTpSupportedInterfaces()
 287             .getSupportedInterfaceCapability();
 288         for (SupportedInterfaceCapability sic : sicList) {
 289             switch (lpn.getName()) {
 290                 case "DSR" :
 291                     if (sic.getIfCapType().getSimpleName().equals("If10GEODU2e")) {
 292                         sclpqList.add(DIGITALSIGNALTYPE10GigELAN.class);
 293                         sclpqList.add(ODUTYPEODU2E.class);
 294                     } else if (sic.getIfCapType().getSimpleName().equals("IfOCHOTU4ODU4")) {
 295                         sclpqList.add(ODUTYPEODU4.class);
 296                     } else if (sic.getIfCapType().getSimpleName().equals("If100GEODU4")) {
 297                         sclpqList.add(DIGITALSIGNALTYPE100GigE.class);
 298                         sclpqList.add(ODUTYPEODU4.class);
 299                     }
 300                     break;
 301                 case "PHOTONIC_MEDIA" :
 302                     if (sic.getIfCapType().getSimpleName().equals("IfOCHOTU4ODU4")) {
 303                         sclpqList.add(PHOTONICLAYERQUALIFIEROTSi.class);
 304                         sclpqList.add(PHOTONICLAYERQUALIFIEROMS.class);
 305                     }
 306                     break;
 307                 default:
 308                     LOG.error("Layer Protocol Name is unknown");
 309                     break;
 310             }
 311         }
 312         return sclpqList;
 313     }
 314
 315     private void createTapiTransitionalLinks() {
 316         for (TerminationPoint tp : this.oorNetworkPortList) {
 317             List<NodeEdgePoint> nepList = new ArrayList<>();
 318             String sourceKey = "DSR+" + tp.getTpId().getValue();
 319             Uuid sourceUuidTp = this.uuidMap.get(sourceKey);
 320             String destKey = "iOTSi+" + tp.getTpId().getValue();
 321             Uuid destUuidTp = this.uuidMap.get(destKey);
 322             NodeEdgePoint sourceNep = new NodeEdgePointBuilder()
 323                 .setTopologyUuid(this.tapiTopoUuid)
 324                 .setNodeUuid(this.uuidMap.get(this.ietfNodeId + "+DSR"))
 325                 .setNodeEdgePointUuid(sourceUuidTp)
 326                 .build();
 327             nepList.add(sourceNep);
 328             NodeEdgePoint destNep = new NodeEdgePointBuilder()
 329                 .setTopologyUuid(this.tapiTopoUuid)
 330                 .setNodeUuid(this.uuidMap.get(this.ietfNodeId + "+OTSi"))
 331                 .setNodeEdgePointUuid(destUuidTp)
 332                 .build();
 333             nepList.add(destNep);
 334             LinkBuilder transiLinkBldr = new LinkBuilder()
 335                 .setUuid(new Uuid(UUID.randomUUID().toString()))
 336                 .setTransitionedLayerProtocolName(Arrays.asList(LayerProtocolName.ODU.getName(),
 337                     LayerProtocolName.PHOTONICMEDIA.getName()))
 338                 .setNodeEdgePoint(nepList)
 339                 .setDirection(ForwardingDirection.BIDIRECTIONAL)
 340                 .setAvailableCapacity(new AvailableCapacityBuilder().setTotalSize(
 341                     new TotalSizeBuilder().setUnit(CapacityUnit.GBPS).setValue(new BigInteger("100")).build()).build());
 342             this.tapiLinks.add(transiLinkBldr.build());
 343         }
 344     }
 345
 346     public List<org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.topology.rev181210.topology.Node> getTapiNodes() {
 347         return tapiNodes;
 348     }
 349
 350     public List<Link> getTapiLinks() {
 351         return tapiLinks;
 352     }
 353 }