renderer/src/main/java/org/opendaylight/transportpce/renderer/NetworkModelWavelengthServiceImpl.java

   1 /*
   2  * Copyright © 2017 AT&T 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.renderer;
   9
  10 import com.google.common.base.Optional;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.concurrent.ExecutionException;
  15 import java.util.concurrent.TimeUnit;
  16 import java.util.concurrent.TimeoutException;
  17 import java.util.stream.Collectors;
  18
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  21 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  23 import org.opendaylight.transportpce.common.NetworkUtils;
  24 import org.opendaylight.transportpce.common.Timeouts;
  25 import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev170929.degree.node.attributes.AvailableWavelengthsKey;
  26 import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev170929.degree.used.wavelengths.UsedWavelengths;
  27 import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev170929.degree.used.wavelengths.UsedWavelengthsBuilder;
  28 import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev170929.degree.used.wavelengths.UsedWavelengthsKey;
  29 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.Node1;
  30 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.TerminationPoint1;
  31 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.TerminationPoint1Builder;
  32 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.DegreeAttributes;
  33 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.DegreeAttributesBuilder;
  34 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.SrgAttributes;
  35 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.SrgAttributesBuilder;
  36 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.CpAttributes;
  37 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.CpAttributesBuilder;
  38 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.CtpAttributes;
  39 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.CtpAttributesBuilder;
  40 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.PpAttributes;
  41 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.PpAttributesBuilder;
  42 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.RxTtpAttributes;
  43 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.RxTtpAttributesBuilder;
  44 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.TxTtpAttributes;
  45 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.TxTtpAttributesBuilder;
  46 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.XpdrClientAttributes;
  47 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.XpdrClientAttributesBuilder;
  48 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.XpdrNetworkAttributes;
  49 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.XpdrNetworkAttributesBuilder;
  50 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.XpdrPortAttributes;
  51 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.XpdrPortAttributesBuilder;
  52 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.pp.attributes.UsedWavelength;
  53 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.pp.attributes.UsedWavelengthBuilder;
  54 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node.termination.point.pp.attributes.UsedWavelengthKey;
  55 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev170929.OpenroadmTpType;
  56 import org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev170929.srg.node.attributes.AvailableWavelengthsBuilder;
  57 import org.opendaylight.yang.gen.v1.http.org.openroadm.xponder.rev170929.xpdr.port.connection.attributes.Wavelength;
  58 import org.opendaylight.yang.gen.v1.http.org.openroadm.xponder.rev170929.xpdr.port.connection.attributes.WavelengthBuilder;
  59 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.PathDescription;
  60 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.atoz.direction.AToZ;
  61 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.ztoa.direction.ZToA;
  62 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.TerminationPoint;
  63 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.pce.resource.resource.resource.termination.point.TerminationPointIdentifier;
  64 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608.Network;
  65 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608.NetworkId;
  66 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608.NetworkKey;
  67 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608.NodeId;
  68 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608.network.Node;
  69 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608.network.NodeKey;
  70 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev150608.TpId;
  71 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev150608.network.node.TerminationPointKey;
  72 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  73 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
  74 import org.slf4j.Logger;
  75 import org.slf4j.LoggerFactory;
  76
  77 public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelengthService {
  78
  79     private static final Logger LOG = LoggerFactory.getLogger(NetworkModelWavelengthServiceImpl.class);
  80     private final DataBroker dataBroker;
  81
  82     public NetworkModelWavelengthServiceImpl(DataBroker dataBroker) {
  83         this.dataBroker = dataBroker;
  84     }
  85
  86     @Override
  87     public void useWavelengths(PathDescription pathDescription) {
  88
  89         List<NodeIdPair> atozTpIds = getAToZTpList(pathDescription);
  90         List<NodeIdPair> ztoaTpIds = getZToATpList(pathDescription);
  91
  92         deleteAvailableWL(atozTpIds.stream().map(NodeIdPair::getNodeID).distinct().collect(Collectors.toList()),
  93                 pathDescription.getAToZDirection().getAToZWavelengthNumber());
  94         deleteAvailableWL(ztoaTpIds.stream().map(NodeIdPair::getNodeID).distinct().collect(Collectors.toList()),
  95                 pathDescription.getZToADirection().getZToAWavelengthNumber());
  96
  97         addUsedWL(pathDescription.getAToZDirection().getAToZWavelengthNumber(), atozTpIds);
  98         addUsedWL(pathDescription.getZToADirection().getZToAWavelengthNumber(), ztoaTpIds);
  99     }
 100
 101     @Override
 102     public void freeWavelengths(PathDescription pathDescription) {
 103         List<NodeIdPair> atozTpIds = getAToZTpList(pathDescription);
 104         List<NodeIdPair> ztoaTpIds = getZToATpList(pathDescription);
 105
 106         deleteUsedWL(pathDescription.getAToZDirection().getAToZWavelengthNumber(), atozTpIds);
 107         deleteUsedWL(pathDescription.getZToADirection().getZToAWavelengthNumber(), ztoaTpIds);
 108
 109         addAvailableWL(atozTpIds.stream().map(NodeIdPair::getNodeID).distinct().collect(Collectors.toList()),
 110                 pathDescription.getAToZDirection().getAToZWavelengthNumber());
 111         addAvailableWL(ztoaTpIds.stream().map(NodeIdPair::getNodeID).distinct().collect(Collectors.toList()),
 112                 pathDescription.getZToADirection().getZToAWavelengthNumber());
 113     }
 114
 115     private List<NodeIdPair> getAToZTpList(PathDescription pathDescription) {
 116         List<AToZ> atozList = pathDescription.getAToZDirection().getAToZ();
 117         return atozList.stream()
 118                 .filter(aToZ -> {
 119                     if ((aToZ.getResource() == null) || (aToZ.getResource().getResource() == null)) {
 120                         LOG.warn("Resource of AToZ node {} is null! Skipping this node!", aToZ.getId());
 121                         return false;
 122                     }
 123                     return aToZ.getResource().getResource() instanceof TerminationPoint;
 124                 }).filter(aToZ -> {
 125                     TerminationPoint tp = (TerminationPoint) aToZ.getResource().getResource();
 126                     if ((tp.getTerminationPointIdentifier() == null)
 127                             || (tp.getTerminationPointIdentifier().getNodeId() == null)
 128                             || (tp.getTerminationPointIdentifier().getTpId() == null)) {
 129                         LOG.warn("Termination point in AToZ node {} contains nulls! Skipping this node!", aToZ.getId());
 130                         return false;
 131                     }
 132                     return true;
 133                 }).map(aToZ -> {
 134                     TerminationPointIdentifier tp =
 135                             ((TerminationPoint) aToZ.getResource().getResource()).getTerminationPointIdentifier();
 136                     return new NodeIdPair(tp.getNodeId(), tp.getTpId());
 137                 }).collect(Collectors.toList());
 138     }
 139
 140     private List<NodeIdPair> getZToATpList(PathDescription pathDescription) {
 141         List<ZToA> ztoaList = pathDescription.getZToADirection().getZToA();
 142         return ztoaList.stream()
 143                 .filter(zToA -> {
 144                     if ((zToA.getResource() == null) || (zToA.getResource().getResource() == null)) {
 145                         LOG.warn("Resource of ZToA node {} is null! Skipping this node!", zToA.getId());
 146                         return false;
 147                     }
 148                     return zToA.getResource().getResource() instanceof TerminationPoint;
 149                 }).filter(zToA -> {
 150                     TerminationPoint tp = (TerminationPoint) zToA.getResource().getResource();
 151                     if ((tp.getTerminationPointIdentifier() == null)
 152                             || (tp.getTerminationPointIdentifier().getNodeId() == null)
 153                             || (tp.getTerminationPointIdentifier().getTpId() == null)) {
 154                         LOG.warn("Termination point in ZToA node {} contains nulls! Skipping this node!", zToA.getId());
 155                         return false;
 156                     }
 157                     return true;
 158                 })
 159                 .map(zToA -> {
 160                     TerminationPointIdentifier tp =
 161                             ((TerminationPoint) zToA.getResource().getResource()).getTerminationPointIdentifier();
 162                     return new NodeIdPair(tp.getNodeId(), tp.getTpId());
 163                 }).collect(Collectors.toList());
 164     }
 165
 166     private InstanceIdentifier<Node1> createNode1IID(String nodeId) {
 167         return InstanceIdentifier
 168                 .builder(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 169                 .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608
 170                         .network.Node.class, new NodeKey(new NodeId(nodeId)))
 171                 .augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929
 172                         .Node1.class)
 173                 .build();
 174     }
 175
 176     private Optional<Node1> getNode1FromDatastore(String nodeId) {
 177         InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.Node1>
 178                 nodeIID = createNode1IID(nodeId);
 179         Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.Node1> nodeOpt;
 180         try (ReadOnlyTransaction nodeReadTx = this.dataBroker.newReadOnlyTransaction()) {
 181             nodeOpt = nodeReadTx.read(LogicalDatastoreType.CONFIGURATION, nodeIID)
 182                     .get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
 183         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 184             LOG.warn("Exception while getting node from {} topology!", NetworkUtils.OVERLAY_NETWORK_ID, e);
 185             nodeOpt = Optional.absent();
 186         }
 187         return nodeOpt;
 188     }
 189
 190     private void addAvailableWL(List<String> nodeIds, Long wavelengthNumber) {
 191         WriteTransaction nodeWriteTx = this.dataBroker.newWriteOnlyTransaction();
 192         for (String nodeId : nodeIds) {
 193             Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.Node1> nodeOpt =
 194                     getNode1FromDatastore(nodeId);
 195             org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.Node1 node;
 196             if (nodeOpt.isPresent()) {
 197                 node = nodeOpt.get();
 198             } else {
 199                 LOG.error("Unable to get node {} from topology {}! Skipping addition of available wavelength for this"
 200                         + "node.", nodeId, NetworkUtils.OVERLAY_NETWORK_ID);
 201                 continue;
 202             }
 203
 204             org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.Node1Builder
 205                     node1Builder = new org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929
 206                     .Node1Builder(node);
 207
 208             switch (node.getNodeType()) {
 209                 case DEGREE:
 210                     DegreeAttributes degreeAttributes = node.getDegreeAttributes();
 211                     DegreeAttributesBuilder degreeAttributesBuilder;
 212                     if (degreeAttributes == null) {
 213                         degreeAttributesBuilder = new DegreeAttributesBuilder();
 214                     } else {
 215                         degreeAttributesBuilder = new DegreeAttributesBuilder(degreeAttributes);
 216                     }
 217                     List<org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev170929.degree.node.attributes
 218                             .AvailableWavelengths> availableDegreeWLs =
 219                             degreeAttributesBuilder.getAvailableWavelengths();
 220                     if (availableDegreeWLs == null) {
 221                         availableDegreeWLs = new ArrayList<>();
 222                         degreeAttributesBuilder.setAvailableWavelengths(availableDegreeWLs);
 223                     }
 224                     availableDegreeWLs.add(new org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev170929.degree
 225                             .node.attributes.AvailableWavelengthsBuilder().setIndex(wavelengthNumber).build());
 226                     node1Builder.setDegreeAttributes(degreeAttributesBuilder.build());
 227                     break;
 228                 case SRG:
 229                     SrgAttributes srgAttributes = node.getSrgAttributes();
 230                     SrgAttributesBuilder srgAttributesBuilder;
 231                     if (srgAttributes == null) {
 232                         srgAttributesBuilder = new SrgAttributesBuilder();
 233                     } else {
 234                         srgAttributesBuilder = new SrgAttributesBuilder(srgAttributes);
 235                     }
 236                     List<org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev170929.srg.node.attributes
 237                             .AvailableWavelengths> availableSrgWLs = srgAttributesBuilder.getAvailableWavelengths();
 238                     if (availableSrgWLs == null) {
 239                         availableSrgWLs = new ArrayList<>();
 240                         srgAttributesBuilder.setAvailableWavelengths(availableSrgWLs);
 241                     }
 242                     availableSrgWLs.add(new AvailableWavelengthsBuilder().setIndex(wavelengthNumber).build());
 243                     node1Builder.setSrgAttributes(srgAttributesBuilder.build());
 244                     break;
 245
 246                 default:
 247                     // TODO skip for now
 248                     continue;
 249             }
 250             nodeWriteTx.put(LogicalDatastoreType.CONFIGURATION, createNode1IID(nodeId), node1Builder.build(), true);
 251         }
 252         try {
 253             nodeWriteTx.submit().get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
 254         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 255             LOG.error("Unable to add available WL {} for nodes {}!", wavelengthNumber, String.join(", ", nodeIds), e);
 256         }
 257     }
 258
 259     private void deleteAvailableWL(List<String> nodeIds, Long wavelengthNumber) {
 260         WriteTransaction nodeWriteTx = this.dataBroker.newWriteOnlyTransaction();
 261         for (String nodeId : nodeIds) {
 262             Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.Node1> nodeOpt =
 263                     getNode1FromDatastore(nodeId);
 264             org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.Node1 node;
 265             if (nodeOpt.isPresent()) {
 266                 node = nodeOpt.get();
 267             } else {
 268                 LOG.error("Unable to get node {} from topology {}! Skipping addition of available wavelength for this"
 269                         + "node.", nodeId, NetworkUtils.OVERLAY_NETWORK_ID);
 270                 continue;
 271             }
 272
 273             InstanceIdentifierBuilder<Node1> nodeIIDBuilder = InstanceIdentifier
 274                     .builder(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 275                     .child(Node.class, new NodeKey(new NodeId(nodeId))).augmentation(Node1.class);
 276             InstanceIdentifier availableWlIID;
 277
 278             switch (node.getNodeType()) {
 279                 case DEGREE:
 280                     availableWlIID = nodeIIDBuilder.child(DegreeAttributes.class)
 281                             .child(org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev170929.degree.node
 282                                     .attributes.AvailableWavelengths.class,
 283                                     new AvailableWavelengthsKey(wavelengthNumber))
 284                             .build();
 285                     break;
 286                 case SRG:
 287                     availableWlIID = nodeIIDBuilder.child(SrgAttributes.class)
 288                             .child(org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev170929.srg.node.attributes
 289                                             .AvailableWavelengths.class,
 290                                     new org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev170929.srg.node
 291                                             .attributes.AvailableWavelengthsKey(wavelengthNumber))
 292                             .build();
 293                     break;
 294
 295                 default:
 296                     // TODO skip for now
 297                     continue;
 298             }
 299             nodeWriteTx.delete(LogicalDatastoreType.CONFIGURATION, availableWlIID);
 300         }
 301         try {
 302             nodeWriteTx.submit().get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
 303         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 304             LOG.error("Unable to delete available WL {} for nodes {}!", wavelengthNumber, String.join(", ", nodeIds),
 305                     e);
 306         }
 307     }
 308
 309     private InstanceIdentifierBuilder<TerminationPoint1> createTerminationPoint1IIDBuilder(String nodeId, String tpId) {
 310         return InstanceIdentifier
 311                 .builder(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
 312                 .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608.network
 313                     .Node.class, new NodeKey(new NodeId(nodeId))).augmentation(
 314                 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev150608.Node1.class)
 315                 .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev150608
 316                                 .network.node.TerminationPoint.class,
 317                         new TerminationPointKey(new TpId(tpId))).augmentation(TerminationPoint1.class);
 318     }
 319
 320     private Optional<TerminationPoint1> getTerminationPoint1FromDatastore(String nodeId, String tpId) {
 321         InstanceIdentifier<TerminationPoint1> tpIID = createTerminationPoint1IIDBuilder(nodeId, tpId).build();
 322         Optional<TerminationPoint1> tpOpt;
 323         try (ReadOnlyTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
 324             tpOpt = readTx.read(LogicalDatastoreType.CONFIGURATION, tpIID)
 325                     .get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
 326         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 327             LOG.warn("Exception while getting termination point from {} topology!", NetworkUtils.OVERLAY_NETWORK_ID,
 328                     e);
 329             tpOpt = Optional.absent();
 330         }
 331         return tpOpt;
 332     }
 333
 334     private void deleteUsedWL(long wavelengthIndex, List<NodeIdPair> tpIds) {
 335         WriteTransaction deleteUsedWlTx = this.dataBroker.newWriteOnlyTransaction();
 336         for (NodeIdPair idPair : tpIds) {
 337             Optional<TerminationPoint1> tpOpt = getTerminationPoint1FromDatastore(idPair.getNodeID(), idPair.getTpID());
 338
 339             OpenroadmTpType tpType;
 340             if (tpOpt.isPresent()) {
 341                 tpType = tpOpt.get().getTpType();
 342             } else {
 343                 LOG.error("Unable to get termination point {} from topology {}! Skipping removal of used wavelength"
 344                         + " for this node.", idPair.getTpID(), NetworkUtils.OVERLAY_NETWORK_ID);
 345                 continue;
 346             }
 347             InstanceIdentifier.InstanceIdentifierBuilder<TerminationPoint1> usedWlIIDBuilder =
 348                     createTerminationPoint1IIDBuilder(idPair.getNodeID(), idPair.getTpID());
 349             InstanceIdentifier usedWlIID;
 350             switch (tpType) {
 351                 case DEGREETXTTP:
 352                 case DEGREETXRXTTP:
 353                     usedWlIID = usedWlIIDBuilder.child(TxTtpAttributes.class).child(UsedWavelengths.class,
 354                             new UsedWavelengthsKey(wavelengthIndex)).build();
 355                     break;
 356
 357                 case DEGREERXTTP:
 358                     usedWlIID = usedWlIIDBuilder.child(RxTtpAttributes.class).child(UsedWavelengths.class,
 359                             new UsedWavelengthsKey(wavelengthIndex)).build();
 360                     break;
 361
 362                 case DEGREETXCTP:
 363                 case DEGREERXCTP:
 364                 case DEGREETXRXCTP:
 365                     usedWlIID = usedWlIIDBuilder.child(CtpAttributes.class).child(UsedWavelengths.class,
 366                             new UsedWavelengthsKey(wavelengthIndex)).build();
 367                     break;
 368
 369                 case SRGTXCP:
 370                 case SRGRXCP:
 371                 case SRGTXRXCP:
 372                     usedWlIID = usedWlIIDBuilder.child(CpAttributes.class).child(org.opendaylight.yang.gen.v1.http.org
 373                                     .openroadm.network.topology.rev170929.network.node.termination.point.cp.attributes
 374                                     .UsedWavelengths.class,
 375                             new org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node
 376                                     .termination.point.cp.attributes.UsedWavelengthsKey(
 377                                     wavelengthIndex)).build();
 378                     break;
 379
 380                 case SRGTXRXPP:
 381                 case SRGRXPP:
 382                 case SRGTXPP:
 383                     usedWlIID = usedWlIIDBuilder.child(PpAttributes.class).child(UsedWavelength.class,
 384                             new UsedWavelengthKey(wavelengthIndex)).build();
 385                     break;
 386
 387                 case XPONDERNETWORK:
 388                     usedWlIID = usedWlIIDBuilder.child(XpdrNetworkAttributes.class).child(Wavelength.class).build();
 389                     break;
 390                 case XPONDERCLIENT:
 391                     usedWlIID = usedWlIIDBuilder.child(XpdrClientAttributes.class).child(Wavelength.class).build();
 392                     break;
 393                 case XPONDERPORT:
 394                     usedWlIID = usedWlIIDBuilder.child(XpdrPortAttributes.class).child(Wavelength.class).build();
 395                     break;
 396
 397                 default:
 398                     // TODO skip for now
 399                     continue;
 400             }
 401             deleteUsedWlTx.delete(LogicalDatastoreType.CONFIGURATION, usedWlIID);
 402         }
 403         try {
 404             deleteUsedWlTx.submit().get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
 405         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 406             List<String> tpIdsString = tpIds.stream().map(NodeIdPair::toString).collect(Collectors.toList());
 407             LOG.error("Unable to delete used WL {} from TPs {}!", wavelengthIndex, String.join(", ", tpIdsString), e);
 408         }
 409     }
 410
 411     private void addUsedWL(long wavelengthIndex, List<NodeIdPair> tpIds) {
 412         WriteTransaction addUsedWlTx = this.dataBroker.newWriteOnlyTransaction();
 413         for (NodeIdPair idPair : tpIds) {
 414             Optional<TerminationPoint1> tpOpt = getTerminationPoint1FromDatastore(idPair.getNodeID(), idPair.getTpID());
 415
 416             TerminationPoint1 tp;
 417             if (tpOpt.isPresent()) {
 418                 tp = tpOpt.get();
 419             } else {
 420                 LOG.error("Unable to get termination point {} from topology {}! Skipping removal of used wavelength"
 421                         + " for this node.", idPair.getTpID(), NetworkUtils.OVERLAY_NETWORK_ID);
 422                 continue;
 423             }
 424
 425             TerminationPoint1Builder tp1Builder = new TerminationPoint1Builder(tp);
 426
 427             switch (tp.getTpType()) {
 428                 case DEGREETXTTP:
 429                 case DEGREETXRXTTP:
 430                     TxTtpAttributes txTtpAttributes = tp.getTxTtpAttributes();
 431                     TxTtpAttributesBuilder txTtpAttributesBuilder;
 432                     if (txTtpAttributes == null) {
 433                         txTtpAttributesBuilder = new TxTtpAttributesBuilder();
 434                     } else {
 435                         txTtpAttributesBuilder = new TxTtpAttributesBuilder(txTtpAttributes);
 436                     }
 437                     List<UsedWavelengths> usedDegreeTxTtpWls = txTtpAttributesBuilder.getUsedWavelengths();
 438                     if (usedDegreeTxTtpWls == null) {
 439                         usedDegreeTxTtpWls = new ArrayList<>();
 440                         txTtpAttributesBuilder.setUsedWavelengths(usedDegreeTxTtpWls);
 441                     }
 442                     usedDegreeTxTtpWls.add(new UsedWavelengthsBuilder().setIndex(wavelengthIndex).build());
 443                     tp1Builder.setTxTtpAttributes(txTtpAttributesBuilder.build());
 444                     break;
 445
 446                 case DEGREERXTTP:
 447                     RxTtpAttributes rxTtpAttributes = tp.getRxTtpAttributes();
 448                     RxTtpAttributesBuilder rxTtpAttributesBuilder;
 449                     if (rxTtpAttributes == null) {
 450                         rxTtpAttributesBuilder = new RxTtpAttributesBuilder();
 451                     } else {
 452                         rxTtpAttributesBuilder = new RxTtpAttributesBuilder(rxTtpAttributes);
 453                     }
 454                     List<UsedWavelengths> usedDegreeRxTtpWls = rxTtpAttributesBuilder.getUsedWavelengths();
 455                     if (usedDegreeRxTtpWls == null) {
 456                         usedDegreeRxTtpWls = new ArrayList<>();
 457                         rxTtpAttributesBuilder.setUsedWavelengths(usedDegreeRxTtpWls);
 458                     }
 459                     usedDegreeRxTtpWls.add(new UsedWavelengthsBuilder().setIndex(wavelengthIndex).build());
 460                     tp1Builder.setRxTtpAttributes(rxTtpAttributesBuilder.build());
 461                     break;
 462
 463                 case DEGREETXCTP:
 464                 case DEGREERXCTP:
 465                 case DEGREETXRXCTP:
 466                     CtpAttributes ctpAttributes = tp.getCtpAttributes();
 467                     CtpAttributesBuilder ctpAttributesBuilder;
 468                     if (ctpAttributes == null) {
 469                         ctpAttributesBuilder = new CtpAttributesBuilder();
 470                     } else {
 471                         ctpAttributesBuilder = new CtpAttributesBuilder(ctpAttributes);
 472                     }
 473                     List<UsedWavelengths> usedDegreeCtpWls = ctpAttributesBuilder.getUsedWavelengths();
 474                     if (usedDegreeCtpWls == null) {
 475                         usedDegreeCtpWls = new ArrayList<>();
 476                         ctpAttributesBuilder.setUsedWavelengths(usedDegreeCtpWls);
 477                     }
 478                     usedDegreeCtpWls.add(new UsedWavelengthsBuilder().setIndex(wavelengthIndex).build());
 479                     tp1Builder.setCtpAttributes(ctpAttributesBuilder.build());
 480                     break;
 481
 482                 case SRGTXCP:
 483                 case SRGRXCP:
 484                 case SRGTXRXCP:
 485                     CpAttributes cpAttributes = tp.getCpAttributes();
 486                     CpAttributesBuilder cpAttributesBuilder;
 487                     if (cpAttributes == null) {
 488                         cpAttributesBuilder = new CpAttributesBuilder();
 489                     } else {
 490                         cpAttributesBuilder = new CpAttributesBuilder(cpAttributes);
 491                     }
 492                     List<org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929.network.node
 493                             .termination.point.cp.attributes.UsedWavelengths> usedDegreeCpWls =
 494                             cpAttributesBuilder.getUsedWavelengths();
 495                     if (usedDegreeCpWls == null) {
 496                         usedDegreeCpWls = new ArrayList<>();
 497                         cpAttributesBuilder.setUsedWavelengths(usedDegreeCpWls);
 498                     }
 499                     usedDegreeCpWls.add(new org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev170929
 500                             .network.node.termination.point.cp.attributes.UsedWavelengthsBuilder()
 501                             .setIndex(wavelengthIndex).build());
 502                     tp1Builder.setCpAttributes(cpAttributesBuilder.build());
 503                     break;
 504
 505                 case SRGTXRXPP:
 506                 case SRGRXPP:
 507                 case SRGTXPP:
 508                     PpAttributes ppAttributes = tp.getPpAttributes();
 509                     PpAttributesBuilder ppAttributesBuilder;
 510                     if (ppAttributes == null) {
 511                         ppAttributesBuilder = new PpAttributesBuilder();
 512                     } else {
 513                         ppAttributesBuilder = new PpAttributesBuilder(ppAttributes);
 514                     }
 515                     List<UsedWavelength> usedDegreePpWls = ppAttributesBuilder.getUsedWavelength();
 516                     if (usedDegreePpWls == null) {
 517                         usedDegreePpWls = new ArrayList<>();
 518                         ppAttributesBuilder.setUsedWavelength(usedDegreePpWls);
 519                     }
 520                     usedDegreePpWls.add(new UsedWavelengthBuilder().setIndex(wavelengthIndex).build());
 521                     tp1Builder.setPpAttributes(ppAttributesBuilder.build());
 522                     break;
 523
 524                 case XPONDERNETWORK:
 525                     XpdrNetworkAttributes xpdrNetworkAttributes = tp.getXpdrNetworkAttributes();
 526                     XpdrNetworkAttributesBuilder xpdrNetworkAttributesBuilder;
 527                     if (xpdrNetworkAttributes == null) {
 528                         xpdrNetworkAttributesBuilder = new XpdrNetworkAttributesBuilder();
 529                     } else {
 530                         xpdrNetworkAttributesBuilder = new XpdrNetworkAttributesBuilder(xpdrNetworkAttributes);
 531                     }
 532                     Wavelength usedXpdrNetworkWl = new WavelengthBuilder().setIndex(wavelengthIndex).build();
 533                     tp1Builder.setXpdrNetworkAttributes(xpdrNetworkAttributesBuilder
 534                             .setWavelength(usedXpdrNetworkWl)
 535                             .build());
 536                     break;
 537                 case XPONDERCLIENT:
 538                     XpdrClientAttributes xpdrClientAttributes = tp.getXpdrClientAttributes();
 539                     XpdrClientAttributesBuilder xpdrClientAttributesBuilder;
 540                     if (xpdrClientAttributes == null) {
 541                         xpdrClientAttributesBuilder = new XpdrClientAttributesBuilder();
 542                     } else {
 543                         xpdrClientAttributesBuilder = new XpdrClientAttributesBuilder(xpdrClientAttributes);
 544                     }
 545                     Wavelength usedXpdrClientWl = new WavelengthBuilder().setIndex(wavelengthIndex).build();
 546                     tp1Builder.setXpdrClientAttributes(xpdrClientAttributesBuilder
 547                             .setWavelength(usedXpdrClientWl)
 548                             .build());
 549                     break;
 550                 case XPONDERPORT:
 551                     XpdrPortAttributes xpdrPortAttributes = tp.getXpdrPortAttributes();
 552                     XpdrPortAttributesBuilder xpdrPortAttributesBuilder;
 553                     if (xpdrPortAttributes == null) {
 554                         xpdrPortAttributesBuilder = new XpdrPortAttributesBuilder();
 555                     } else {
 556                         xpdrPortAttributesBuilder = new XpdrPortAttributesBuilder(xpdrPortAttributes);
 557                     }
 558                     Wavelength usedXpdrPortWl = new WavelengthBuilder().setIndex(wavelengthIndex).build();
 559                     tp1Builder.setXpdrPortAttributes(xpdrPortAttributesBuilder
 560                             .setWavelength(usedXpdrPortWl)
 561                             .build());
 562                     break;
 563
 564                 default:
 565                     // TODO skip for now
 566                     continue;
 567             }
 568             addUsedWlTx.put(LogicalDatastoreType.CONFIGURATION, createTerminationPoint1IIDBuilder(idPair.getNodeID(),
 569                     idPair.getTpID()).build(), tp1Builder.build(), true);
 570         }
 571         try {
 572             addUsedWlTx.submit().get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 573         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 574             List<String> tpIdsString = tpIds.stream().map(NodeIdPair::toString).collect(Collectors.toList());
 575             LOG.error("Unable to add used WL {} for TPs {}!", wavelengthIndex, String.join(", ", tpIdsString), e);
 576         }
 577     }
 578 }