pce/src/main/java/org/opendaylight/transportpce/pce/gnpy/GnpyServiceImpl.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
   9 package org.opendaylight.transportpce.pce.gnpy;
  10
  11 import com.google.common.collect.HashBasedTable;
  12 import com.google.common.collect.Table;
  13 import java.math.BigDecimal;
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.Collections;
  17 import java.util.HashMap;
  18 import java.util.Iterator;
  19 import java.util.List;
  20 import java.util.Map;
  21 import java.util.Optional;
  22 import org.eclipse.jdt.annotation.NonNull;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.opendaylight.transportpce.common.ServiceRateConstant;
  25 import org.opendaylight.transportpce.common.fixedflex.GridConstant;
  26 import org.opendaylight.transportpce.common.fixedflex.GridUtils;
  27 import org.opendaylight.transportpce.pce.constraints.PceConstraints;
  28 import org.opendaylight.transportpce.pce.constraints.PceConstraints.ResourcePair;
  29 import org.opendaylight.transportpce.pce.gnpy.utils.AToZComparator;
  30 import org.opendaylight.transportpce.pce.gnpy.utils.ZToAComparator;
  31 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev220221.topo.Elements;
  32 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev220221.topo.ElementsKey;
  33 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.RouteIncludeEro;
  34 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.TeHopType;
  35 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.TePathDisjointness;
  36 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.common.constraints_config.TeBandwidth;
  37 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.common.constraints_config.TeBandwidthBuilder;
  38 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.explicit.route.hop.Type;
  39 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.explicit.route.hop.type.NumUnnumHopBuilder;
  40 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.explicit.route.hop.type.num.unnum.hop.NumUnnumHop;
  41 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.generic.path.constraints.PathConstraints;
  42 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.generic.path.constraints.PathConstraintsBuilder;
  43 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.gnpy.specific.parameters.EffectiveFreqSlot;
  44 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.gnpy.specific.parameters.EffectiveFreqSlotBuilder;
  45 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.path.route.objects.ExplicitRouteObjects;
  46 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.path.route.objects.ExplicitRouteObjectsBuilder;
  47 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.path.route.objects.explicit.route.objects.RouteObjectIncludeExclude;
  48 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.path.route.objects.explicit.route.objects.RouteObjectIncludeExcludeBuilder;
  49 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.path.route.objects.explicit.route.objects.RouteObjectIncludeExcludeKey;
  50 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.service.PathRequest;
  51 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.service.PathRequestBuilder;
  52 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.service.PathRequestKey;
  53 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.synchronization.info.Synchronization;
  54 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.synchronization.info.SynchronizationBuilder;
  55 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.synchronization.info.synchronization.Svec;
  56 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.synchronization.info.synchronization.SvecBuilder;
  57 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220118.PathComputationRequestInput;
  58 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.optical.channel.types.rev211210.FrequencyTHz;
  59 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev181019.ModulationFormat;
  60 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.AToZDirection;
  61 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ZToADirection;
  62 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.atoz.direction.AToZ;
  63 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.path.description.ztoa.direction.ZToA;
  64 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705.pce.resource.resource.Resource;
  65 import org.opendaylight.yangtools.yang.common.Uint32;
  66 import org.slf4j.Logger;
  67 import org.slf4j.LoggerFactory;
  68
  69
  70 /**
  71  * Class to create the service corresponding to GNPy requirements.
  72  *
  73  * @author Ahmed Triki ( ahmed.triki@orange.com )
  74  *
  75  */
  76
  77 public class GnpyServiceImpl {
  78     private static final Logger LOG = LoggerFactory.getLogger(GnpyServiceImpl.class);
  79
  80     private Map<PathRequestKey, PathRequest> pathRequest = new HashMap<>();
  81     private List<Synchronization> synchronization = new ArrayList<>();
  82     private Map<String, String> mapDisgNodeRefNode = new HashMap<>();
  83     private Map<String, List<String>> mapLinkFiber = new HashMap<>();
  84     private List<String> trxList = new ArrayList<>();
  85     private Map<ElementsKey, Elements> elements = new HashMap<>();
  86     private Map<RouteObjectIncludeExcludeKey, RouteObjectIncludeExclude> routeObjectIncludeExcludes = new HashMap<>();
  87     private String currentNodeId = null;
  88     private AToZComparator atoZComparator =  new AToZComparator();
  89     private ZToAComparator ztoAComparator =  new ZToAComparator();
  90     private static final Table<Uint32, BigDecimal, String> TRX_MODE_TABLE = initTrxModeTable();
  91
  92     private static Table<Uint32, BigDecimal, String> initTrxModeTable() {
  93         Table<Uint32, BigDecimal, String> trxModeTable = HashBasedTable.create();
  94         trxModeTable.put(ServiceRateConstant.RATE_100, GridConstant.SLOT_WIDTH_50, "100 Gbit/s, 27.95 Gbaud, DP-QPSK");
  95         trxModeTable.put(ServiceRateConstant.RATE_200, GridConstant.SLOT_WIDTH_50, "200 Gbit/s, 31.57 Gbaud, DP-16QAM");
  96         trxModeTable.put(ServiceRateConstant.RATE_200, GridConstant.SLOT_WIDTH_87_5, "200 Gbit/s, DP-QPSK");
  97         trxModeTable.put(ServiceRateConstant.RATE_300, GridConstant.SLOT_WIDTH_87_5, "300 Gbit/s, DP-8QAM");
  98         trxModeTable.put(ServiceRateConstant.RATE_400, GridConstant.SLOT_WIDTH_87_5, "400 Gbit/s, DP-16QAM");
  99         return trxModeTable;
 100     }
 101
 102     public static final Map<Uint32, BigDecimal> RATE_OUTPUTPOWER = Map.of(
 103             ServiceRateConstant.RATE_100, GridConstant.OUTPUT_POWER_100GB_W,
 104             ServiceRateConstant.RATE_400, GridConstant.OUTPUT_POWER_400GB_W);
 105
 106     /*
 107      * Construct the GnpyServiceImpl
 108      */
 109     public GnpyServiceImpl(PathComputationRequestInput input, AToZDirection atoz, Uint32 requestId,
 110                 GnpyTopoImpl gnpyTopo, PceConstraints pceHardConstraints) throws GnpyException {
 111         this.elements = gnpyTopo.getElements();
 112         this.mapDisgNodeRefNode = gnpyTopo.getMapDisgNodeRefNode();
 113         this.mapLinkFiber = gnpyTopo.getMapLinkFiber();
 114         this.trxList = gnpyTopo.getTrxList();
 115         this.pathRequest = extractPathRequest(input, atoz, requestId.toJava(), pceHardConstraints);
 116         this.synchronization = extractSynchronization(requestId);
 117     }
 118
 119     public GnpyServiceImpl(PathComputationRequestInput input, ZToADirection ztoa, Uint32 requestId,
 120                 GnpyTopoImpl gnpyTopo, PceConstraints pceHardConstraints) throws GnpyException {
 121         this.elements = gnpyTopo.getElements();
 122         this.mapDisgNodeRefNode = gnpyTopo.getMapDisgNodeRefNode();
 123         this.mapLinkFiber = gnpyTopo.getMapLinkFiber();
 124         this.trxList = gnpyTopo.getTrxList();
 125         pathRequest = extractPathRequest(input, ztoa, requestId.toJava(), pceHardConstraints);
 126         synchronization = extractSynchronization(requestId);
 127     }
 128
 129     private Map<PathRequestKey, PathRequest> extractPathRequest(
 130             PathComputationRequestInput input, AToZDirection atoz, Long requestId,
 131             PceConstraints pceHardConstraints) throws GnpyException {
 132
 133         // Create the source and destination nodes
 134         String sourceNode = input.getServiceAEnd().getNodeId();
 135         String destNode = input.getServiceZEnd().getNodeId();
 136         if (!trxList.contains(sourceNode) || !trxList.contains(destNode)) {
 137             throw new GnpyException("In GnpyServiceImpl: source and destination should be transmitter nodes");
 138         }
 139
 140         // Create explicitRouteObjects
 141         List<AToZ> listAtoZ = new ArrayList<>(atoz.nonnullAToZ().values());
 142         if (listAtoZ.isEmpty()) {
 143             extractHardConstraints(pceHardConstraints);
 144         } else {
 145             Collections.sort(listAtoZ, atoZComparator);
 146             extractRouteObjectIcludeAtoZ(listAtoZ);
 147         }
 148
 149         ExplicitRouteObjects explicitRouteObjects = new ExplicitRouteObjectsBuilder()
 150             .setRouteObjectIncludeExclude(routeObjectIncludeExcludes).build();
 151         //Create Path Constraint
 152         PathConstraints pathConstraints = createPathConstraints(atoz.getRate().toJava(),
 153                 atoz.getModulationFormat(),
 154                 atoz.getAToZMinFrequency(),
 155                 atoz.getAToZMaxFrequency());
 156
 157         // Create the path request
 158         Map<PathRequestKey, PathRequest> pathRequestMap = new HashMap<>();
 159         PathRequest pathRequestEl = new PathRequestBuilder().setRequestId(requestId.toString())
 160             .setSource(sourceNode)
 161             .setDestination(destNode)
 162             .setSrcTpId(sourceNode)
 163             .setDstTpId(destNode)
 164             .setBidirectional(false).setPathConstraints(pathConstraints).setPathConstraints(pathConstraints)
 165             .setExplicitRouteObjects(explicitRouteObjects).build();
 166         pathRequestMap.put(pathRequestEl.key(),pathRequestEl);
 167         LOG.debug("In GnpyServiceImpl: path request AToZ is extracted");
 168         return pathRequestMap;
 169     }
 170
 171     private Map<PathRequestKey, PathRequest> extractPathRequest(
 172             PathComputationRequestInput input, ZToADirection ztoa, Long requestId,
 173             PceConstraints pceHardConstraints) throws GnpyException {
 174         // Create the source and destination nodes
 175         String sourceNode = input.getServiceZEnd().getNodeId();
 176         String destNode = input.getServiceAEnd().getNodeId();
 177         if (!trxList.contains(sourceNode) || !trxList.contains(destNode)) {
 178             throw new GnpyException("In GnpyServiceImpl: source and destination should be transmitter nodes");
 179         }
 180         // Create explicitRouteObjects
 181         @NonNull List<ZToA> listZtoA = new ArrayList<>(ztoa.nonnullZToA().values());
 182         if (listZtoA.isEmpty()) {
 183             extractHardConstraints(pceHardConstraints);
 184         } else {
 185             Collections.sort(listZtoA, ztoAComparator);
 186             extractRouteObjectIcludeZtoA(listZtoA);
 187         }
 188
 189         ExplicitRouteObjects explicitRouteObjects = new ExplicitRouteObjectsBuilder()
 190             .setRouteObjectIncludeExclude(routeObjectIncludeExcludes).build();
 191         //Create Path Constraint
 192         PathConstraints pathConstraints = createPathConstraints(ztoa.getRate().toJava(),
 193                 ztoa.getModulationFormat(),
 194                 ztoa.getZToAMinFrequency(),
 195                 ztoa.getZToAMaxFrequency());
 196
 197         //Create the path request
 198         Map<PathRequestKey, PathRequest> pathRequestMap = new HashMap<>();
 199         PathRequest pathRequestEl = new PathRequestBuilder().setRequestId(requestId.toString())
 200             .setSource(sourceNode)
 201             .setDestination(destNode)
 202             .setSrcTpId(sourceNode)
 203             .setDstTpId(destNode)
 204             .setBidirectional(false).setPathConstraints(pathConstraints)
 205             .setExplicitRouteObjects(explicitRouteObjects).build();
 206         pathRequestMap.put(pathRequestEl.key(),pathRequestEl);
 207         LOG.debug("In GnpyServiceImpl: path request ZToA is extracted is extracted");
 208         return pathRequestMap;
 209     }
 210
 211     //Extract RouteObjectIncludeExclude list in the case of pre-computed path A-to-Z
 212     private void extractRouteObjectIcludeAtoZ(Collection<AToZ> listAtoZ) throws GnpyException {
 213         Long index = 0L;
 214         for (AToZ entry : listAtoZ) {
 215             index = createResource(entry.getResource().getResource(),index);
 216         }
 217     }
 218
 219     //Extract RouteObjectIncludeExclude list in the case of pre-computed path Z-to-A
 220     private void extractRouteObjectIcludeZtoA(@NonNull List<ZToA> listZtoA) throws GnpyException {
 221         Long index = 0L;
 222         for (ZToA entry : listZtoA) {
 223             index = createResource(entry.getResource().getResource(),index);
 224         }
 225     }
 226
 227     //Create a new resource node or link
 228     private Long createResource(@Nullable Resource resource, Long index) throws GnpyException {
 229         Long idx = index;
 230         if (resource
 231             instanceof
 232                 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705
 233                     .pce.resource.resource.resource.Node) {
 234             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705
 235                 .pce.resource.resource.resource.Node node =
 236                 (org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705
 237                     .pce.resource.resource.resource.Node) resource;
 238             if (node.getNodeId() == null) {
 239                 throw new GnpyException("In gnpyServiceImpl: nodeId is null");
 240             }
 241             idx = addNodeToRouteObject(this.mapDisgNodeRefNode.get(node.getNodeId()),idx);
 242         }
 243
 244         if (resource
 245             instanceof
 246                 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705
 247                     .pce.resource.resource.resource.Link) {
 248             org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705
 249                 .pce.resource.resource.resource.Link link =
 250                 (org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev210705
 251                     .pce.resource.resource.resource.Link) resource;
 252             idx = addLinkToRouteObject(link.getLinkId(),idx);
 253         }
 254         return idx;
 255     }
 256
 257     //Create RouteObjectIncludeExclude list in the case of hard constraint
 258     private void extractHardConstraints(PceConstraints pceHardConstraints) throws GnpyException {
 259         List<String> listNodeToInclude = getListToInclude(pceHardConstraints);
 260         if (!listNodeToInclude.isEmpty()) {
 261             Long index = 0L;
 262             for (int i = 0; i < listNodeToInclude.size(); i++) {
 263                 String nodeId = listNodeToInclude.get(i);
 264                 index = addNodeToRouteObject(nodeId, index);
 265             }
 266         }
 267     }
 268
 269     //Create the list of nodes to include
 270     private List<String> getListToInclude(PceConstraints pceHardConstraints) {
 271         List<String> listNodeToInclude = new ArrayList<>();
 272         if (pceHardConstraints != null) {
 273             List<ResourcePair> listToInclude = pceHardConstraints.getListToInclude();
 274             Iterator<ResourcePair> it = listToInclude.iterator();
 275             while (it.hasNext()) {
 276                 ResourcePair rs = it.next();
 277                 if (rs.getType().name().equals("NODE")) {
 278                     listNodeToInclude.add(rs.getName());
 279                 }
 280             }
 281         }
 282         return listNodeToInclude;
 283     }
 284
 285     //Add a node to the route object
 286     private Long addNodeToRouteObject(String nodeRef, Long index) throws GnpyException {
 287         Long idx = index;
 288         for (Elements element : this.elements.values()) {
 289             if (element.getUid().equals(nodeRef)) {
 290                 if ((this.currentNodeId == null) || (!this.currentNodeId.equals(nodeRef))) {
 291                     this.currentNodeId = nodeRef;
 292                     RouteObjectIncludeExclude routeObjectIncludeExclude = addRouteObjectIncludeExclude(nodeRef,
 293                             Uint32.valueOf(1), idx);
 294                     RouteObjectIncludeExcludeKey key = new RouteObjectIncludeExcludeKey(Uint32.valueOf(idx));
 295                     routeObjectIncludeExcludes.put(key, routeObjectIncludeExclude);
 296                     idx += 1;
 297                 }
 298                 return idx;
 299             }
 300         }
 301         throw new GnpyException(String.format("In gnpyServiceImpl : NodeRef %s does not exist",nodeRef));
 302     }
 303
 304     //Add a link to the route object
 305     private Long addLinkToRouteObject(String linkId, Long index) throws GnpyException {
 306         Long idx = index;
 307         if (linkId == null) {
 308             throw new GnpyException("In GnpyServiceImpl: the linkId is null");
 309         }
 310         //Only the ROADM-to-ROADM link are included in the route object
 311         if (!mapLinkFiber.containsKey(linkId)) {
 312             return idx;
 313         }
 314         List<String> listSubLink = this.mapLinkFiber.get(linkId);
 315         if (listSubLink == null) {
 316             throw new GnpyException(String.format("In gnpyServiceImpl addNodeRouteObject : no sublink in %s",linkId));
 317         }
 318         for (String subLink : listSubLink) {
 319             RouteObjectIncludeExclude routeObjectIncludeExclude =
 320                 addRouteObjectIncludeExclude(subLink, Uint32.valueOf(1),idx);
 321             RouteObjectIncludeExcludeKey key = new RouteObjectIncludeExcludeKey(Uint32.valueOf(idx));
 322             routeObjectIncludeExcludes.put(key, routeObjectIncludeExclude);
 323             idx += 1;
 324         }
 325         return idx;
 326     }
 327
 328     // Add routeObjectIncludeExclude
 329     private RouteObjectIncludeExclude addRouteObjectIncludeExclude(String nodeId, Uint32 teTpValue, Long index) {
 330         NumUnnumHop numUnnumHop = new org.opendaylight.yang.gen.v1.gnpy.path.rev220221.explicit.route.hop.type.num
 331             .unnum.hop.NumUnnumHopBuilder()
 332                 .setNodeId(nodeId)
 333                 .setLinkTpId(teTpValue.toString())
 334                 .setHopType(TeHopType.STRICT).build();
 335         Type type1 = new NumUnnumHopBuilder().setNumUnnumHop(numUnnumHop).build();
 336         // Create routeObjectIncludeExclude element
 337         return new RouteObjectIncludeExcludeBuilder()
 338             .setIndex(Uint32.valueOf(index)).setExplicitRouteUsage(RouteIncludeEro.class).setType(type1).build();
 339     }
 340
 341     //Create the path constraints
 342     private PathConstraints createPathConstraints(Long rate, String modulationFormat, FrequencyTHz minFrequency,
 343             FrequencyTHz maxFrequency) {
 344         BigDecimal spacing = GridConstant.SLOT_WIDTH_50;
 345         int mvalue = GridConstant.NB_SLOTS_100G;
 346         int nvalue = 0;
 347         if (minFrequency != null && maxFrequency != null && modulationFormat != null) {
 348             LOG.info("Creating path constraints for rate {}, modulationFormat {}, min freq {}, max freq {}", rate,
 349                     modulationFormat, minFrequency, maxFrequency);
 350             ModulationFormat mformat = ModulationFormat.DpQpsk;
 351             Optional<ModulationFormat> optionalModulationFormat = ModulationFormat.forName(modulationFormat);
 352             if (optionalModulationFormat.isPresent()) {
 353                 mformat = optionalModulationFormat.get();
 354             }
 355             spacing = GridConstant.FREQUENCY_SLOT_WIDTH_TABLE.get(Uint32.valueOf(rate), mformat);
 356             FrequencyTHz centralFrequency = GridUtils
 357                     .getCentralFrequency(minFrequency.getValue(), maxFrequency.getValue());
 358             int centralFrequencyBitSetIndex = GridUtils.getIndexFromFrequency(centralFrequency.getValue());
 359             mvalue = (int) Math.ceil(spacing.doubleValue() / (GridConstant.GRANULARITY));
 360             nvalue = GridUtils.getNFromFrequencyIndex(centralFrequencyBitSetIndex);
 361         }
 362         LOG.info("Creating path constraints for rate {}, mvalue {}, nvalue {}, spacing {}", rate,
 363                 mvalue, nvalue, spacing);
 364         EffectiveFreqSlot effectiveFreqSlot = new EffectiveFreqSlotBuilder()
 365                 .setM(Uint32.valueOf(mvalue / 2)).setN(nvalue).build();
 366
 367         TeBandwidth teBandwidth = new TeBandwidthBuilder()
 368                 .setPathBandwidth(BigDecimal.valueOf(rate * 1e9))
 369                 .setTechnology("flexi-grid").setTrxType("OpenROADM MSA ver. 5.0")
 370                 .setTrxMode(TRX_MODE_TABLE.get(Uint32.valueOf(rate), spacing))
 371                 .setOutputPower(GridUtils.convertDbmW(GridConstant.OUTPUT_POWER_100GB_DBM
 372                         + 10 * Math.log10(mvalue / (double)GridConstant.NB_SLOTS_100G)))
 373                 .setEffectiveFreqSlot(Map.of(effectiveFreqSlot.key(), effectiveFreqSlot))
 374                 .setSpacing(spacing.multiply(BigDecimal.valueOf(1e9))).build();
 375         return new PathConstraintsBuilder().setTeBandwidth(teBandwidth).build();
 376     }
 377
 378     //Create the synchronization
 379     private List<Synchronization> extractSynchronization(Uint32 requestId) {
 380         // Create RequestIdNumber
 381         List<String> requestIdNumber = new ArrayList<>();
 382         requestIdNumber.add(requestId.toString());
 383         // Create a synchronization
 384         Svec svec = new SvecBuilder().setRelaxable(true)
 385             .setDisjointness(new TePathDisjointness(true, true, false))
 386             .setRequestIdNumber(requestIdNumber).build();
 387         List<Synchronization> synchro = new ArrayList<>();
 388         Synchronization synchronization1 = new SynchronizationBuilder()
 389                 .setSynchronizationId(Uint32.valueOf(0).toString())
 390                 .setSvec(svec).build();
 391         synchro.add(synchronization1);
 392         return (synchro);
 393     }
 394
 395     public Map<PathRequestKey, PathRequest> getPathRequest() {
 396         return pathRequest;
 397     }
 398
 399     public void setPathRequest(Map<PathRequestKey, PathRequest> pathRequest) {
 400         this.pathRequest = pathRequest;
 401     }
 402
 403     public List<Synchronization> getSynchronization() {
 404         return synchronization;
 405     }
 406
 407     public void setSynchronization(List<Synchronization> synchronization) {
 408         this.synchronization = synchronization;
 409     }
 410
 411 }