renderer/src/main/java/org/opendaylight/transportpce/renderer/ModelMappingUtils.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.util.concurrent.ListenableFuture;
  11 import java.util.ArrayList;
  12 import java.util.Iterator;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.Optional;
  16 import java.util.TreeMap;
  17 import java.util.stream.Collectors;
  18 import org.opendaylight.transportpce.common.NodeIdPair;
  19 import org.opendaylight.transportpce.common.StringConstants;
  20 import org.opendaylight.transportpce.common.fixedflex.GridConstant;
  21 import org.opendaylight.transportpce.common.fixedflex.GridUtils;
  22 import org.opendaylight.transportpce.common.mapping.PortMappingUtils;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.Action;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.OtnServicePathInput;
  25 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.OtnServicePathInputBuilder;
  26 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.ServicePathInput;
  27 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.ServicePathInputBuilder;
  28 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.otn.service.path.input.AEndApiInfo;
  29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.otn.service.path.input.AEndApiInfoBuilder;
  30 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.otn.service.path.input.ZEndApiInfo;
  31 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.device.renderer.rev210618.otn.service.path.input.ZEndApiInfoBuilder;
  32 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev210618.ServicePowerSetupInput;
  33 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev210618.ServicePowerSetupInputBuilder;
  34 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev210915.ServiceDeleteOutput;
  35 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev210915.ServiceDeleteOutputBuilder;
  36 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev210915.ServiceImplementationRequestInput;
  37 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev210915.ServiceImplementationRequestOutput;
  38 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev210915.ServiceImplementationRequestOutputBuilder;
  39 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev190531.configuration.response.common.ConfigurationResponseCommon;
  40 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev190531.configuration.response.common.ConfigurationResponseCommonBuilder;
  41 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.FrequencyGHz;
  42 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.FrequencyTHz;
  43 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.ModulationFormat;
  44 import org.opendaylight.yang.gen.v1.http.org.openroadm.otn.common.types.rev181130.OpucnTribSlotDef;
  45 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.ServiceDeleteInput;
  46 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.PathDescription;
  47 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.AToZDirection;
  48 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ZToADirection;
  49 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.atoz.direction.AToZ;
  50 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ztoa.direction.ZToA;
  51 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.resource.Resource;
  52 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.resource.resource.Link;
  53 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.resource.resource.TerminationPoint;
  54 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.optical.renderer.nodes.Nodes;
  55 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.optical.renderer.nodes.NodesBuilder;
  56 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.optical.renderer.nodes.NodesKey;
  57 import org.opendaylight.yangtools.yang.common.RpcResult;
  58 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  59 import org.opendaylight.yangtools.yang.common.Uint32;
  60 import org.slf4j.Logger;
  61 import org.slf4j.LoggerFactory;
  62
  63
  64 public final class ModelMappingUtils {
  65
  66     private static final Logger LOG = LoggerFactory.getLogger(ModelMappingUtils.class);
  67     private static final String TERMINATION_POINT = "TerminationPoint";
  68     private static final String LINK = "Link";
  69
  70     private ModelMappingUtils() {
  71     }
  72
  73     public static ServicePowerSetupInput createServicePowerSetupInput(List<Nodes> olmList,
  74             ServiceImplementationRequestInput input) {
  75         ServicePowerSetupInputBuilder olmSetupBldr = new ServicePowerSetupInputBuilder().setNodes(olmList);
  76         if (input != null && input.getPathDescription() != null
  77                 && input.getPathDescription().getAToZDirection() != null) {
  78             AToZDirection atoZDirection = input.getPathDescription().getAToZDirection();
  79             olmSetupBldr.setWaveNumber(atoZDirection.getAToZWavelengthNumber());
  80             if (atoZDirection.getAToZMinFrequency() != null) {
  81                 olmSetupBldr.setLowerSpectralSlotNumber(Uint32
  82                         .valueOf(GridUtils
  83                                 .getLowerSpectralIndexFromFrequency(atoZDirection.getAToZMinFrequency().getValue())));
  84             }
  85             if (atoZDirection.getAToZMaxFrequency() != null) {
  86                 olmSetupBldr.setHigherSpectralSlotNumber(Uint32
  87                         .valueOf(GridUtils
  88                                 .getHigherSpectralIndexFromFrequency(atoZDirection.getAToZMaxFrequency().getValue())));
  89             }
  90         }
  91         return olmSetupBldr.build();
  92     }
  93
  94     public static ServiceImplementationRequestOutput createServiceImplResponse(String responseCode, String message) {
  95         return new ServiceImplementationRequestOutputBuilder()
  96                 .setConfigurationResponseCommon(createCommonResponse(responseCode, message))
  97                 .build();
  98     }
  99
 100     public static ServiceDeleteOutput createServiceDeleteResponse(String responseCode, String message) {
 101         return new ServiceDeleteOutputBuilder()
 102                 .setConfigurationResponseCommon(createCommonResponse(responseCode, message))
 103                 .build();
 104     }
 105
 106     public static ConfigurationResponseCommon createCommonResponse(String responseCode, String message) {
 107         return new ConfigurationResponseCommonBuilder()
 108                 .setResponseMessage(message)
 109                 .setResponseCode(responseCode)
 110                 .build();
 111     }
 112
 113     public static ListenableFuture<RpcResult<ServiceImplementationRequestOutput>>
 114             createServiceImplementationRpcResponse(ServiceImplementationRequestOutput payload) {
 115         return RpcResultBuilder.success(payload).buildFuture();
 116     }
 117
 118     public static ListenableFuture<RpcResult<ServiceDeleteOutput>>
 119             createServiceDeleteRpcResponse(ServiceDeleteOutput payload) {
 120         return RpcResultBuilder.success(payload).buildFuture();
 121     }
 122
 123     public static ServicePathInputData rendererCreateServiceInputAToZ(String serviceName,
 124             PathDescription pathDescription, Action operation) {
 125         int scale = GridConstant.FIXED_GRID_FREQUENCY_PRECISION;
 126         AToZDirection atoZDirection = pathDescription.getAToZDirection();
 127         LOG.info("Building ServicePathInputData for a to z direction {}", atoZDirection);
 128         NodeLists nodeLists = getNodesListAToZ(atoZDirection.nonnullAToZ().values().iterator());
 129         ServicePathInputBuilder servicePathInputBuilder = new ServicePathInputBuilder()
 130             .setServiceName(serviceName)
 131             .setOperation(operation)
 132             .setNodes(nodeLists.getRendererNodeList())
 133             .setWidth(new FrequencyGHz(GridConstant.WIDTH_40));
 134         if (atoZDirection.getAToZWavelengthNumber() != null) {
 135             servicePathInputBuilder
 136                 .setWaveNumber(atoZDirection.getAToZWavelengthNumber());
 137         }
 138         if (Uint32.valueOf(GridConstant.IRRELEVANT_WAVELENGTH_NUMBER)
 139                 .equals(atoZDirection.getAToZWavelengthNumber())) {
 140             scale = GridConstant.FLEX_GRID_FREQUENCY_PRECISION;
 141         }
 142         if (atoZDirection.getAToZMinFrequency() != null) {
 143             servicePathInputBuilder.setMinFreq(new FrequencyTHz(atoZDirection.getAToZMinFrequency().getValue()));
 144             servicePathInputBuilder.setLowerSpectralSlotNumber(Uint32
 145                     .valueOf(GridUtils
 146                             .getLowerSpectralIndexFromFrequency(atoZDirection.getAToZMinFrequency().getValue())));
 147         }
 148         if (atoZDirection.getAToZMaxFrequency() != null) {
 149             servicePathInputBuilder.setMaxFreq(new FrequencyTHz(atoZDirection.getAToZMaxFrequency().getValue()));
 150             servicePathInputBuilder.setHigherSpectralSlotNumber(
 151                     Uint32.valueOf(GridUtils
 152                             .getHigherSpectralIndexFromFrequency(atoZDirection.getAToZMaxFrequency().getValue())));
 153         }
 154         if (atoZDirection.getAToZMinFrequency() != null && atoZDirection.getAToZMaxFrequency() != null) {
 155             servicePathInputBuilder.setCenterFreq(
 156                     GridUtils.getCentralFrequencyWithPrecision(atoZDirection.getAToZMinFrequency().getValue(),
 157                             atoZDirection.getAToZMaxFrequency().getValue(), scale));
 158         }
 159         if (atoZDirection.getRate() != null && atoZDirection.getModulationFormat() != null) {
 160             Optional<ModulationFormat> optionalModulationFormat = ModulationFormat
 161                     .forName(atoZDirection.getModulationFormat());
 162             if (optionalModulationFormat.isPresent()
 163                     && GridConstant.FREQUENCY_WIDTH_TABLE
 164                     .contains(atoZDirection.getRate(), optionalModulationFormat.get())) {
 165                 servicePathInputBuilder
 166                     .setWidth(FrequencyGHz
 167                         .getDefaultInstance(GridConstant.FREQUENCY_WIDTH_TABLE.get(atoZDirection.getRate(),
 168                         optionalModulationFormat.get())));
 169             }
 170         }
 171         servicePathInputBuilder.setModulationFormat(atoZDirection.getModulationFormat());
 172         return new ServicePathInputData(servicePathInputBuilder.build(), nodeLists);
 173     }
 174
 175     public static ServicePathInputData rendererCreateServiceInputZToA(String serviceName,
 176             PathDescription pathDescription, Action operation) {
 177         int scale = GridConstant.FIXED_GRID_FREQUENCY_PRECISION;
 178         ZToADirection ztoADirection = pathDescription.getZToADirection();
 179         LOG.info("Building ServicePathInputData for z to a direction {}", ztoADirection);
 180         NodeLists nodeLists = getNodesListZtoA(pathDescription.getZToADirection().nonnullZToA().values().iterator());
 181         ServicePathInputBuilder servicePathInputBuilder = new ServicePathInputBuilder()
 182             .setOperation(operation)
 183             .setServiceName(serviceName)
 184             .setNodes(nodeLists.getRendererNodeList())
 185             .setWidth(new FrequencyGHz(GridConstant.WIDTH_40));
 186         if (ztoADirection.getZToAWavelengthNumber() != null) {
 187             servicePathInputBuilder
 188                 .setWaveNumber(ztoADirection.getZToAWavelengthNumber());
 189         }
 190         if (Uint32.valueOf(GridConstant.IRRELEVANT_WAVELENGTH_NUMBER)
 191                 .equals(ztoADirection.getZToAWavelengthNumber())) {
 192             scale = GridConstant.FLEX_GRID_FREQUENCY_PRECISION;
 193         }
 194         if (ztoADirection.getZToAMinFrequency() != null) {
 195             servicePathInputBuilder.setMinFreq(new FrequencyTHz(ztoADirection.getZToAMinFrequency().getValue()));
 196             servicePathInputBuilder.setLowerSpectralSlotNumber(Uint32
 197                     .valueOf(GridUtils
 198                             .getLowerSpectralIndexFromFrequency(ztoADirection.getZToAMinFrequency().getValue())));
 199         }
 200         if (ztoADirection.getZToAMaxFrequency() != null) {
 201             servicePathInputBuilder.setMaxFreq(new FrequencyTHz(ztoADirection.getZToAMaxFrequency().getValue()));
 202             servicePathInputBuilder.setHigherSpectralSlotNumber(
 203                     Uint32.valueOf(GridUtils
 204                             .getHigherSpectralIndexFromFrequency(ztoADirection.getZToAMaxFrequency().getValue())));
 205         }
 206         if (ztoADirection.getZToAMinFrequency() != null && ztoADirection.getZToAMaxFrequency() != null) {
 207             servicePathInputBuilder.setCenterFreq(
 208                     GridUtils.getCentralFrequencyWithPrecision(ztoADirection.getZToAMinFrequency().getValue(),
 209                             ztoADirection.getZToAMaxFrequency().getValue(), scale));
 210         }
 211         if (ztoADirection.getRate() != null && ztoADirection.getModulationFormat() != null) {
 212             Optional<ModulationFormat> optionalModulationFormat = ModulationFormat
 213                     .forName(ztoADirection.getModulationFormat());
 214             if (optionalModulationFormat.isPresent()
 215                     && GridConstant.FREQUENCY_WIDTH_TABLE
 216                     .contains(ztoADirection.getRate(), optionalModulationFormat.get())) {
 217                 servicePathInputBuilder.setWidth(FrequencyGHz
 218                         .getDefaultInstance(GridConstant.FREQUENCY_WIDTH_TABLE.get(ztoADirection.getRate(),
 219                                 optionalModulationFormat.get())));
 220             }
 221         }
 222         servicePathInputBuilder.setModulationFormat(ztoADirection.getModulationFormat());
 223         return new ServicePathInputData(servicePathInputBuilder.build(), nodeLists);
 224     }
 225
 226     // Adding createOtnServiceInputpath for A-Z and Z-A directions as one method
 227     public static OtnServicePathInput rendererCreateOtnServiceInput(String serviceName, Action operation,
 228         String serviceFormat, Uint32 serviceRate, PathDescription pathDescription, boolean asideToZside) {
 229         // If atoZ is set true use A-to-Z direction otherwise use Z-to-A
 230         List<org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.otn.renderer.nodes.Nodes> nodes =
 231             new ArrayList<>();
 232         NodeLists nodeLists =
 233             (asideToZside)
 234             ? getNodesListAToZ(pathDescription.getAToZDirection().nonnullAToZ().values().iterator())
 235             : getNodesListZtoA(pathDescription.getZToADirection().nonnullZToA().values().iterator());
 236         LOG.info("These are node-lists {}, {}", nodeLists.getRendererNodeList(), nodeLists.getOlmNodeList());
 237         for (Nodes node: nodeLists.getRendererNodeList()) {
 238             org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.otn.renderer.nodes.NodesBuilder nb
 239                 = new org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev210618.otn.renderer.nodes
 240                     .NodesBuilder().setNodeId(node.getNodeId()).setNetworkTp(node.getDestTp());
 241             if (node.getSrcTp() != null && node.getSrcTp().contains("NETWORK")) {
 242                 nb.setNetwork2Tp(node.getSrcTp());
 243             } else {
 244                 nb.setClientTp(node.getSrcTp());
 245             }
 246             nodes.add(nb.build());
 247         }
 248         OtnServicePathInputBuilder otnServicePathInputBuilder = new OtnServicePathInputBuilder()
 249             .setServiceName(serviceName)
 250             .setOperation(operation)
 251             .setServiceFormat(serviceFormat)
 252             .setServiceRate(serviceRate)
 253             .setNodes(nodes)
 254             .setAEndApiInfo(createAendApiInfo(pathDescription))
 255             .setZEndApiInfo(createZendApiInfo(pathDescription));
 256
 257         // set the trib-slots and trib-ports for the lower oder odu
 258         if (serviceRate.intValue() == 1 || (serviceRate.intValue() == 10)) {
 259             Short tribPort = Short.valueOf(pathDescription.getAToZDirection().getMinTribSlot().getValue()
 260                 .split("\\.")[0]);
 261             Short minTribSlot = Short.valueOf(pathDescription.getAToZDirection().getMinTribSlot().getValue()
 262                 .split("\\.")[1]);
 263             otnServicePathInputBuilder
 264                 .setTribPortNumber(tribPort)
 265                 .setTribSlot(minTribSlot);
 266         }
 267         if (serviceRate.intValue() == 100) {
 268             List<OpucnTribSlotDef> opucnTribSlotDefList = new ArrayList<>();
 269             opucnTribSlotDefList.add(pathDescription.getAToZDirection().getMinTribSlot());
 270             opucnTribSlotDefList.add(pathDescription.getAToZDirection().getMaxTribSlot());
 271             otnServicePathInputBuilder.setOpucnTribSlots(opucnTribSlotDefList);
 272         }
 273         return otnServicePathInputBuilder.build();
 274     }
 275
 276     public static ServicePathInput rendererDeleteServiceInput(String serviceName,
 277             ServiceDeleteInput serviceDeleteInput) {
 278         //TODO: finish model-model mapping
 279         return new ServicePathInputBuilder().setServiceName(serviceName).build();
 280     }
 281
 282     public static List<String> getLinksFromServicePathDescription(PathDescription pathDescription) {
 283         List<String> linkidList = new ArrayList<>();
 284         pathDescription.getAToZDirection().getAToZ().values().stream()
 285             .filter(lk -> "Link".equals(lk.getResource().getResource().implementedInterface().getSimpleName()))
 286             .forEach(rsc -> {
 287                 Link link = (Link) rsc.getResource().getResource();
 288                 linkidList.add(link.getLinkId());
 289             });
 290         pathDescription.getZToADirection().getZToA().values().stream()
 291             .filter(lk -> "Link".equals(lk.getResource().getResource().implementedInterface().getSimpleName()))
 292             .forEach(rsc -> {
 293                 Link link = (Link) rsc.getResource().getResource();
 294                 linkidList.add(link.getLinkId());
 295             });
 296         return linkidList;
 297     }
 298
 299     private static NodeLists getNodesListZtoA(Iterator<ZToA> iterator) {
 300         Map<Integer, NodeIdPair> treeMap = new TreeMap<>();
 301         List<Nodes> olmList = new ArrayList<>();
 302         List<Nodes> list = new ArrayList<>();
 303
 304         while (iterator.hasNext()) {
 305             ZToA pathDesObj = iterator.next();
 306             try {
 307                 populateTreeMap(treeMap, pathDesObj.getResource().getResource(), pathDesObj.getId(), "ZtoA");
 308             } catch (IllegalArgumentException | SecurityException e) {
 309                 //TODO: Auto-generated catch block
 310                 LOG.error("Did not find the getResource method", e);
 311             }
 312         }
 313         populateNodeLists(treeMap, list, olmList, false);
 314         return new NodeLists(olmList, list);
 315     }
 316
 317     private static NodeLists getNodesListAToZ(Iterator<AToZ> iterator) {
 318         Map<Integer, NodeIdPair> treeMap = new TreeMap<>();
 319         List<Nodes> list = new ArrayList<>();
 320         List<Nodes> olmList = new ArrayList<>();
 321
 322         while (iterator.hasNext()) {
 323             AToZ pathDesObj = iterator.next();
 324             try {
 325                 populateTreeMap(treeMap, pathDesObj.getResource().getResource(), pathDesObj.getId(), "AtoZ");
 326             } catch (IllegalArgumentException | SecurityException e) {
 327                 //TODO: Auto-generated catch block
 328                 LOG.error("Did not find the getResource method", e);
 329             }
 330         }
 331         populateNodeLists(treeMap, list, olmList, true);
 332         return new NodeLists(olmList, list);
 333     }
 334
 335     private static void populateTreeMap(Map<Integer, NodeIdPair> treeMap, Resource rsrc, String sortId,
 336             String direction) {
 337         String resourceType = rsrc.implementedInterface().getSimpleName();
 338         LOG.info("Inside {} {}", direction, resourceType);
 339         switch (resourceType) {
 340             case TERMINATION_POINT:
 341                 TerminationPoint tp = (TerminationPoint) rsrc;
 342                 LOG.info(" TP is {} {}", tp.getTpId(), tp.getTpNodeId());
 343                 String tpID = tp.getTpId();
 344
 345                 //TODO: do not rely on ID to be in certain format
 346                 if (tpID.contains("CTP") || tpID.contains("CP")) {
 347                     return;
 348                 }
 349                 String nodeID = "";
 350                 if (tpID.contains(StringConstants.TTP_TOKEN)) {
 351                     nodeID = tp.getTpNodeId().split("-DEG")[0];
 352                 } else if (tpID.contains(StringConstants.PP_TOKEN)) {
 353                     nodeID = tp.getTpNodeId().split("-SRG")[0];
 354                 } else if (tpID.contains(StringConstants.NETWORK_TOKEN)
 355                         || tpID.contains(StringConstants.CLIENT_TOKEN) || tpID.isEmpty()) {
 356                     nodeID = tp.getTpNodeId().split("-XPDR")[0];
 357                 } else {
 358                     return;
 359                 }
 360                 int id = Integer.parseInt(sortId);
 361                 treeMap.put(id, new NodeIdPair(nodeID, tpID));
 362                 return;
 363             case LINK:
 364                 LOG.info("The type is link");
 365                 return;
 366             default:
 367                 LOG.info("The type is not identified: {}", resourceType);
 368                 return;
 369         }
 370     }
 371
 372     @edu.umd.cs.findbugs.annotations.SuppressFBWarnings(
 373         value = {"NP_LOAD_OF_KNOWN_NULL_VALUE","RCN_REDUNDANT_NULLCHECK_OF_NULL_VALUE"},
 374         justification = "loop when value is not always null - "
 375                 + "TODO: check if something exists in Java lib")
 376     private static void populateNodeLists(Map<Integer, NodeIdPair> treeMap, List<Nodes> list, List<Nodes> olmList,
 377             boolean isAToz) {
 378         String desID = null;
 379         String srcID = null;
 380         LOG.info("treeMap values = {}", treeMap.values());
 381         for (NodeIdPair values : treeMap.values()) {
 382             if (srcID == null) {
 383                 srcID = values.getTpID();
 384             } else if (desID == null) {
 385                 desID = values.getTpID();
 386                 NodesBuilder olmNb = new NodesBuilder()
 387                     .setNodeId(values.getNodeID())
 388                     .setDestTp(desID)
 389                     .setSrcTp(srcID);
 390                 olmList.add(olmNb.build());
 391                 if (srcID.isEmpty()) {
 392                     srcID = null;
 393                 }
 394                 if (desID.isEmpty()) {
 395                     desID = new StringBuilder(srcID).toString();
 396                     srcID = null;
 397                 }
 398                 if (isAToz) {
 399                     NodesBuilder nb = new NodesBuilder()
 400                         .withKey(new NodesKey(values.getNodeID()))
 401                         .setDestTp(desID)
 402                         .setSrcTp(srcID);
 403                     if (srcID != null && desID != null && srcID.contains(StringConstants.NETWORK_TOKEN)) {
 404                         nb.setDestTp(srcID).setSrcTp(desID);
 405                     }
 406                     list.add(nb.build());
 407                 } else {
 408                     if (srcID != null && desID != null && !srcID.contains(StringConstants.NETWORK_TOKEN)
 409                         && !desID.contains(StringConstants.NETWORK_TOKEN)) {
 410                         NodesBuilder nb = new NodesBuilder()
 411                             .withKey(new NodesKey(values.getNodeID()))
 412                             .setDestTp(desID)
 413                             .setSrcTp(srcID);
 414                         list.add(nb.build());
 415                     }
 416                 }
 417                 srcID = null;
 418                 desID = null;
 419             } else {
 420                 LOG.warn("both, the source and destination id are not null!");
 421             }
 422         }
 423     }
 424
 425     private static AEndApiInfo createAendApiInfo(PathDescription pathDescription) {
 426         String anodeId = extractAendFromPathDescription(pathDescription).get("nodeId");
 427         String sapi = PortMappingUtils.fnv1size64(
 428                 String.join("-", anodeId, extractAendFromPathDescription(pathDescription).get("tpid")));
 429         String dapi = PortMappingUtils.fnv1size64(
 430                 String.join("-", extractZendFromPathDescription(pathDescription).get("nodeId"),
 431                     extractZendFromPathDescription(pathDescription).get("tpid")));
 432         return new AEndApiInfoBuilder()
 433             .setSapi(sapi)
 434             .setExpectedDapi(sapi)
 435             .setDapi(dapi)
 436             .setExpectedSapi(dapi)
 437             .setNodeId(anodeId)
 438             .build();
 439     }
 440
 441     private static ZEndApiInfo createZendApiInfo(PathDescription pathDescription) {
 442         String znodeId = extractZendFromPathDescription(pathDescription).get("nodeId");
 443         String sapi = PortMappingUtils.fnv1size64(
 444                 String.join("-", znodeId, extractZendFromPathDescription(pathDescription).get("tpid")));
 445         String dapi = PortMappingUtils.fnv1size64(
 446                 String.join("-", extractAendFromPathDescription(pathDescription).get("nodeId"),
 447                     extractAendFromPathDescription(pathDescription).get("tpid")));
 448         return new ZEndApiInfoBuilder()
 449             .setSapi(sapi)
 450             .setExpectedDapi(sapi)
 451             .setDapi(dapi)
 452             .setExpectedSapi(dapi)
 453             .setNodeId(znodeId)
 454             .build();
 455     }
 456
 457     private static Map<String, String> extractAendFromPathDescription(PathDescription pathDescription) {
 458         List<AToZ> tpList = pathDescription.getAToZDirection().getAToZ().values().stream()
 459             .filter(az -> TERMINATION_POINT.equals(az.getResource().getResource().implementedInterface()
 460                 .getSimpleName()))
 461             .collect(Collectors.toList());
 462         for (AToZ atoZ : tpList) {
 463             TerminationPoint tp = (TerminationPoint) atoZ.getResource().getResource();
 464             if (!tp.getTpId().isEmpty() && !tp.getTpNodeId().isEmpty()) {
 465                 String nodeId = tp.getTpNodeId();
 466                 String lcp = tp.getTpId();
 467                 return Map.of("nodeId", nodeId, "tpid", lcp);
 468             }
 469         }
 470         return null;
 471     }
 472
 473     private static Map<String, String> extractZendFromPathDescription(PathDescription pathDescription) {
 474         List<ZToA> tpList = pathDescription.getZToADirection().getZToA().values().stream()
 475             .filter(az -> TERMINATION_POINT.equals(az.getResource().getResource().implementedInterface()
 476                 .getSimpleName()))
 477             .collect(Collectors.toList());
 478         for (ZToA ztoA : tpList) {
 479             TerminationPoint tp = (TerminationPoint) ztoA.getResource().getResource();
 480             if (!tp.getTpId().isEmpty() && !tp.getTpNodeId().isEmpty()) {
 481                 String nodeId = tp.getTpNodeId();
 482                 String lcp = tp.getTpId();
 483                 return Map.of("nodeId", nodeId, "tpid", lcp);
 484             }
 485         }
 486         return null;
 487     }
 488
 489 }