pce/src/main/java/org/opendaylight/transportpce/pce/gnpy/ExtractTopoDataStoreImpl.java

   1 /*
   2  * Copyright © 2018 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 java.math.BigDecimal;
  12 import java.util.ArrayList;
  13 import java.util.HashMap;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.concurrent.ExecutionException;
  17 import java.util.stream.IntStream;
  18
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  23 import org.opendaylight.transportpce.common.NetworkUtils;
  24 //import org.opendaylight.yang.gen.v1.gnpy.gnpy.eqpt.config.rev181119.EdfaVariety;
  25 //import org.opendaylight.yang.gen.v1.gnpy.gnpy.eqpt.config.rev181119.FiberVariety;
  26 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.Coordinate;
  27 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.Km;
  28 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.edfa.params.Operational;
  29 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.edfa.params.OperationalBuilder;
  30 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.Edfa;
  31 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.EdfaBuilder;
  32 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.FiberRoadmBuilder;
  33 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.Transceiver;
  34 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.TransceiverBuilder;
  35 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.fiberroadm.Params;
  36 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.fiberroadm.ParamsBuilder;
  37 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.fiberroadm.params.fiberroadm.Fiber;
  38 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.fiberroadm.params.fiberroadm.FiberBuilder;
  39 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.fiberroadm.params.fiberroadm.Roadm;
  40 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.element.type.choice.element.type.fiberroadm.params.fiberroadm.RoadmBuilder;
  41 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.location.attributes.Location;
  42 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.location.attributes.LocationBuilder;
  43 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.topo.Connections;
  44 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.topo.ConnectionsBuilder;
  45 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.topo.Elements;
  46 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.topo.ElementsBuilder;
  47 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.topo.elements.Metadata;
  48 import org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.topo.elements.MetadataBuilder;
  49 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.RouteIncludeEro;
  50 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.TeHopType;
  51 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.TeNodeId;
  52 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.TePathDisjointness;
  53 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.TeTpId;
  54 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.common.constraints_config.TeBandwidth;
  55 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.common.constraints_config.TeBandwidthBuilder;
  56 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.explicit.route.hop.Type;
  57 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.explicit.route.hop.type.NumUnnumHopBuilder;
  58 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.explicit.route.hop.type.num.unnum.hop.NumUnnumHop;
  59 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.generic.path.constraints.PathConstraints;
  60 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.generic.path.constraints.PathConstraintsBuilder;
  61 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.gnpy.specific.parameters.EffectiveFreqSlot;
  62 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.gnpy.specific.parameters.EffectiveFreqSlotBuilder;
  63 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.path.route.objects.ExplicitRouteObjects;
  64 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.path.route.objects.ExplicitRouteObjectsBuilder;
  65 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.path.route.objects.explicit.route.objects.RouteObjectIncludeExclude;
  66 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.path.route.objects.explicit.route.objects.RouteObjectIncludeExcludeBuilder;
  67 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.service.PathRequest;
  68 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.service.PathRequestBuilder;
  69 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.synchronization.info.Synchronization;
  70 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.synchronization.info.SynchronizationBuilder;
  71 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.synchronization.info.synchronization.Svec;
  72 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.synchronization.info.synchronization.SvecBuilder;
  73 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev171017.PathComputationRequestInput;
  74 import org.opendaylight.yang.gen.v1.http.org.openroadm.link.rev181130.amplified.link.attributes.AmplifiedLink;
  75 import org.opendaylight.yang.gen.v1.http.org.openroadm.link.rev181130.amplified.link.attributes.amplified.link.section.element.section.element.Span;
  76 import org.opendaylight.yang.gen.v1.http.org.openroadm.link.rev181130.amplified.link.attributes.amplified.link.section.element.section.element.ila.Ila;
  77 import org.opendaylight.yang.gen.v1.http.org.openroadm.link.rev181130.span.attributes.LinkConcatenation;
  78 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.rev181130.Node1;
  79 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.Link1;
  80 import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.link.OMSAttributes;
  81 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.AToZDirection;
  82 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ZToADirection;
  83 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.atoz.direction.AToZ;
  84 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ztoa.direction.ZToA;
  85 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  86 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  87 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
  88 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  89 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
  90 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
  91 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
  92 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.node.SupportingNode;
  93 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
  94 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
  95 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  96 import org.slf4j.Logger;
  97 import org.slf4j.LoggerFactory;
  98
  99 /**
 100  * Class to create the topology corresponding to GNPy requirements.
 101  *
 102  * @author Ahmed Triki ( ahmed.triki@orange.com )
 103  *
 104  */
 105
 106 public class ExtractTopoDataStoreImpl {
 107     private static final Logger LOG = LoggerFactory.getLogger(ExtractTopoDataStoreImpl.class);
 108     private final DataBroker dataBroker;
 109     // private final OpenRoadmTopology openRoadmTopology;
 110     // private final OpenRoadmInterfaces openRoadmInterfaces;
 111     private List<Elements> elements = new ArrayList<>();
 112     private List<Connections> connections = new ArrayList<>();
 113     private List<PathRequest> pathRequest = new ArrayList<>();
 114     private List<Synchronization> synchronization = new ArrayList<>();
 115     private Map<String, String> mapDisgNodeRefNode = new HashMap<String, String>();
 116     private Map<String, IpAddress> mapNodeRefIp = new HashMap<String, IpAddress>();
 117     private Map<String, String> mapLinkFiber = new HashMap<String, String>();
 118     private Map<String, IpAddress> mapFiberIp = new HashMap<String, IpAddress>();
 119     private static int convertKmM = 1000;
 120
 121     /*
 122      * Construct the ExtractTopoDataStoreImpl.
 123      */
 124     @SuppressWarnings("unchecked")
 125     public ExtractTopoDataStoreImpl(final DataBroker dataBroker, PathComputationRequestInput input, AToZDirection atoz,
 126             Long requestId) {
 127         this.dataBroker = dataBroker;
 128         Map<String, List<?>> map = extractTopo();
 129         if (map.containsKey("Elements")) {
 130             elements = (List<Elements>) map.get("Elements");
 131         } else {
 132             elements = null;
 133         }
 134         if (map.containsKey("Elements")) {
 135             connections = (List<Connections>) map.get("Connections");
 136         } else {
 137             connections = null;
 138         }
 139         pathRequest = extractPathRequest(input, atoz, requestId);
 140         synchronization = extractSynchronization(requestId);
 141     }
 142
 143     public ExtractTopoDataStoreImpl(final DataBroker dataBroker, PathComputationRequestInput input, ZToADirection ztoa,
 144             Long requestId) {
 145         this.dataBroker = dataBroker;
 146         Map<String, List<?>> map = extractTopo();
 147         if (map.containsKey("Elements")) {
 148             elements = (List<Elements>) map.get("Elements");
 149         } else {
 150             elements = null;
 151         }
 152         if (map.containsKey("Elements")) {
 153             connections = (List<Connections>) map.get("Connections");
 154         } else {
 155             connections = null;
 156         }
 157         pathRequest = extractPathRequest(input, ztoa, requestId);
 158         synchronization = extractSynchronization(requestId);
 159     }
 160
 161     /*
 162      * extract the topology: all the elements have ipAddress as uid and maintain
 163      * a mapping structure to map between the nodeId and the ipAddress (uid)
 164      *
 165      */
 166     public Map<String, List<?>> extractTopo() {
 167         Map<String, List<?>> map = new HashMap<String, List<?>>();
 168         // Define the elements
 169         List<Elements> topoElements = new ArrayList<>();
 170         // Define the connections
 171         List<Connections> topoConnections = new ArrayList<>();
 172         // Define the instance identifier of the OpenRoadm topology
 173         InstanceIdentifier<Network> insIdOpenRoadmTopo = InstanceIdentifier
 174                 .builder(Networks.class)
 175                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID))).build();
 176         // Define the instance identifier of the OpenRoadm network
 177         InstanceIdentifier<Network> insIdrOpenRoadmNet = InstanceIdentifier
 178                 .builder(Networks.class)
 179                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.UNDERLAY_NETWORK_ID))).build();
 180         ReadOnlyTransaction readOnlyTransaction = this.dataBroker.newReadOnlyTransaction();
 181         // Read the data broker
 182         try {
 183             // Initialize the reading of the data broker
 184             // read the configuration part of the data broker that concerns
 185             // the openRoadm topology and get all the nodes
 186             java.util.Optional<Network> openRoadmTopo = readOnlyTransaction
 187                     .read(LogicalDatastoreType.CONFIGURATION, insIdOpenRoadmTopo).get().toJavaUtil();
 188             java.util.Optional<Network> openRoadmNet = readOnlyTransaction
 189                     .read(LogicalDatastoreType.CONFIGURATION, insIdrOpenRoadmNet).get().toJavaUtil();
 190             if (openRoadmNet.isPresent()) {
 191                 List<Node> openRoadmNetNodeList = openRoadmNet.get().getNode();
 192                 if (openRoadmTopo.isPresent()) {
 193                     List<Node> openRoadmTopoNodeList = openRoadmTopo.get().getNode();
 194                     List<String> nodesList = new ArrayList<>();
 195                     // Create the list of nodes
 196                     if (!openRoadmTopoNodeList.isEmpty()) {
 197                         // Create elements
 198                         for (Node openRoadmTopoNode : openRoadmTopoNodeList) {
 199                             // Retrieve the supporting node and the type of the
 200                             // node in openRoadm network
 201                             List<SupportingNode> supportingNodeList = openRoadmTopoNode.getSupportingNode();
 202                             for (SupportingNode supportingNode : supportingNodeList) {
 203                                 String nodeRef = supportingNode.getNodeRef().getValue();
 204                                 IpAddress ipAddress = null;
 205                                 // Retrieve the mapping between the openRoadm
 206                                 // topology and openRoadm network
 207                                 mapDisgNodeRefNode.put(openRoadmTopoNode.getNodeId().getValue(), nodeRef);
 208                                 Node1 openRoadmNetNode1 = null;
 209                                 for (Node openRoadmNetNode : openRoadmNetNodeList) {
 210                                     if (openRoadmNetNode.getNodeId().getValue().equals(nodeRef)) {
 211                                         openRoadmNetNode1 = openRoadmNetNode.augmentation(Node1.class);
 212                                         ipAddress = openRoadmNetNode1.getIp();
 213                                         mapNodeRefIp.put(nodeRef, ipAddress);
 214                                         break;
 215                                     }
 216                                 }
 217                                 if (openRoadmNetNode1.getNodeType().getName().equals("ROADM")) {
 218                                     if (!nodesList.contains(nodeRef)) {
 219                                         Elements element = addElementsRoadm(2, 0, nodeRef, openRoadmNetNode1.getShelf(),
 220                                                 -20, ipAddress.getIpv4Address().getValue().toString());
 221                                         topoElements.add(element);
 222                                         nodesList.add(nodeRef);
 223                                     }
 224                                 } else if (openRoadmNetNode1.getNodeType().getName().equals("XPONDER")) {
 225                                     if (!nodesList.contains(nodeRef)) {
 226                                         Elements element = addElementsTransceiver(2, 0, nodeRef,
 227                                                 openRoadmNetNode1.getShelf(),
 228                                                 ipAddress.getIpv4Address().getValue().toString());
 229                                         topoElements.add(element);
 230                                         nodesList.add(nodeRef);
 231                                     }
 232                                 } else {
 233                                     LOG.warn("the type is not implemented");
 234                                 }
 235                             }
 236                         }
 237                     } else {
 238                         LOG.warn("no nodes in the network");
 239                     }
 240
 241                     // Create the list of connections
 242                     Network1 nw1 = openRoadmTopo.get().augmentation(Network1.class);
 243                     List<Link> linksList = nw1.getLink();
 244                     // 1:EXPRESS-LINK ; 2:ADD-LINK ; 3:DROP-LINK ;
 245                     // 4:ROADM-To-ROADM ; 5:XPONDER-INPUT ; 6:XPONDER-OUTPUT
 246                     int[] externalLink = {4,5,6};
 247                     int idFiber = 0;
 248                     int nbEDFA = 0;
 249                     if (!linksList.isEmpty()) {
 250                         LOG.warn("The link list is not empty");
 251                         for (Link link : linksList) {
 252                             Link1 link1 = link.augmentation(Link1.class);
 253                             int linkType = link1.getLinkType().getIntValue();
 254                             if (IntStream.of(externalLink).anyMatch(x -> x == linkType)) {
 255                                 // Verify if the node is a ROADM
 256                                 String srcId = mapDisgNodeRefNode.get(link.getSource().getSourceNode().getValue());
 257                                 IpAddress srcIp = mapNodeRefIp.get(srcId);
 258                                 String destId = null;
 259                                 IpAddress destIp = null;
 260                                 // Add the links between amplifiers
 261                                 OMSAttributes omsAttributes = link1.getOMSAttributes();
 262                                 if (omsAttributes != null) {
 263                                     if (omsAttributes.getAmplifiedLink() != null) {
 264                                         List<AmplifiedLink> amplifiedLinkList = omsAttributes.getAmplifiedLink()
 265                                                 .getAmplifiedLink();
 266                                         if (!amplifiedLinkList.isEmpty()) {
 267                                             for (AmplifiedLink amplifiedLink : amplifiedLinkList) {
 268                                                 Elements element1 = null;
 269                                                 if (amplifiedLink.getSectionElement()
 270                                                         .getSectionElement() instanceof Ila) {
 271                                                     Ila ila = (Ila) amplifiedLink.getSectionElement()
 272                                                             .getSectionElement();
 273                                                     String nodeId = ila.getNodeId().getValue();
 274                                                     IpAddress ipEdfa = new IpAddress(
 275                                                             new Ipv4Address("1.1.1." + nbEDFA));
 276                                                     nbEDFA++;
 277                                                     mapDisgNodeRefNode.put(nodeId, nodeId);
 278                                                     mapNodeRefIp.put(nodeId, ipEdfa);
 279                                                     // class std_medium_gain
 280                                                     // implements EdfaVariety {}
 281                                                     element1 = addElementsEdfa(2, 0, "RLD", "Lannion_CAS",
 282                                                             ila.getGain().getValue(), ila.getTilt().getValue(),
 283                                                             ila.getOutVoaAtt().getValue(), "std_medium_gain",
 284                                                             ipEdfa.getIpv4Address().getValue().toString());
 285                                                 } else if (amplifiedLink.getSectionElement()
 286                                                         .getSectionElement() instanceof Span) {
 287                                                     // Create the location
 288                                                     Span span = (Span) amplifiedLink.getSectionElement()
 289                                                             .getSectionElement();
 290                                                     String clfi = span.getSpan().getClfi();
 291                                                     IpAddress ipFiber = new IpAddress(
 292                                                             new Ipv4Address("2.2.2." + idFiber));
 293                                                     mapLinkFiber.put(link.getLinkId().getValue(), clfi);
 294                                                     mapFiberIp.put(clfi, ipFiber);
 295                                                     idFiber++;
 296                                                     // class SSMF implements
 297                                                     // FiberVariety {}
 298                                                     element1 = addElementsFiber(2, 0, "RLD", "Lannion_CAS",
 299                                                             ipFiber.getIpv4Address().getValue(), 20, 0, 0.2, 0, 0,
 300                                                             "SSMF");
 301                                                 }
 302                                                 if (element1 != null) {
 303                                                     topoElements.add(element1);
 304                                                     destId = element1.getUid();
 305                                                     destIp = null;
 306                                                     // Create a new link
 307                                                     if (srcId != destId) {
 308                                                         Connections connection = createNewConnection(srcId, srcIp,
 309                                                                 destId, destIp);
 310                                                         topoConnections.add(connection);
 311                                                         srcId = destId;
 312                                                         srcIp = destIp;
 313                                                     }
 314                                                 }
 315                                             }
 316                                         }
 317                                     } else if (omsAttributes.getSpan() != null) {
 318                                         org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130
 319                                             .networks.network.link.oms.attributes.@Nullable Span span
 320                                                 = omsAttributes.getSpan();
 321
 322                                         String clfi = span.getClfi();
 323                                         IpAddress ipFiber = new IpAddress(new Ipv4Address("2.2.2." + idFiber));
 324                                         mapLinkFiber.put(link.getLinkId().getValue(), clfi);
 325                                         mapFiberIp.put(clfi, ipFiber);
 326                                         idFiber++;
 327
 328                                         double attIn = span.getSpanlossCurrent().getValue().doubleValue();
 329                                         double lossCoef = 0.2;
 330                                         double connIn = 0;
 331                                         double connOut = 0;
 332                                         String typeVariety = "SSMF";
 333
 334                                         double length = 0;
 335                                         // Compute the length of the link
 336                                         List<LinkConcatenation> linkConcatenationList = span.getLinkConcatenation();
 337                                         for (LinkConcatenation linkConcatenation : linkConcatenationList) {
 338                                             double srlgLength = linkConcatenation.getSRLGLength();
 339                                             //convert to kilometer
 340                                             length += srlgLength / convertKmM;
 341                                         }
 342
 343                                         Elements element1 = addElementsFiber(2, 0, "RLD", "Lannion_CAS",
 344                                                 ipFiber.getIpv4Address().getValue(), length, attIn, lossCoef, connIn,
 345                                                 connOut, typeVariety);
 346
 347                                         topoElements.add(element1);
 348                                         // Create a new link
 349                                         destId = element1.getUid();
 350                                         destIp = null;
 351                                         if (srcId != destId) {
 352                                             Connections connection = createNewConnection(srcId, srcIp, destId, destIp);
 353                                             topoConnections.add(connection);
 354                                             srcId = destId;
 355                                             srcIp = destIp;
 356                                         }
 357                                     } else {
 358                                         // Add a fiber
 359                                         String clfi = "Fiber" + idFiber;
 360                                         IpAddress ipFiber = new IpAddress(new Ipv4Address("2.2.2." + idFiber));
 361                                         mapLinkFiber.put(link.getLinkId().getValue(), clfi);
 362                                         mapFiberIp.put(clfi, ipFiber);
 363                                         idFiber++;
 364                                         // Create a new element
 365                                         // class SSMF implements FiberVariety {}
 366                                         Elements element1 = addElementsFiber(2, 0, "RLD", "Lannion_CAS",
 367                                                 ipFiber.getIpv4Address().getValue(), 20, 0, 0.2, 0, 0, "SSMF");
 368                                         topoElements.add(element1);
 369                                         // Create a new link
 370                                         destId = element1.getUid();
 371                                         destIp = null;
 372                                         if (srcId != destId) {
 373                                             Connections connection = createNewConnection(srcId, srcIp, destId, destIp);
 374                                             topoConnections.add(connection);
 375                                             srcId = destId;
 376                                             srcIp = destIp;
 377                                         }
 378                                     }
 379                                 } else {
 380                                     LOG.warn("The oms attributes is null!");
 381                                 }
 382                                 // Create a new link
 383                                 destId = mapDisgNodeRefNode.get(link.getDestination().getDestNode().getValue());
 384                                 destIp = mapNodeRefIp.get(destId);
 385                                 Connections connection = createNewConnection(srcId, srcIp, destId, destIp);
 386                                 topoConnections.add(connection);
 387                             }
 388                         }
 389                     } else {
 390                         LOG.warn("no links in the network");
 391                     }
 392                 } else {
 393                     LOG.warn("No nodes in the selected network ...");
 394                 }
 395             }
 396         } catch (InterruptedException | ExecutionException e) {
 397             LOG.error("Error reading the topology", e);
 398             readOnlyTransaction.close();
 399         }
 400         readOnlyTransaction.close();
 401         map.put("Elements", topoElements);
 402         map.put("Connections", topoConnections);
 403         return map;
 404     }
 405
 406     /*
 407      * Create the pathRequest
 408      */
 409     public List<PathRequest> extractPathRequest(PathComputationRequestInput input, AToZDirection atoz, Long requestId) {
 410         // List of A to Z
 411         List<AToZ> listAtoZ = atoz.getAToZ();
 412         int atozSize = listAtoZ.size();
 413         // String modulationFormat = atoz.getModulationFormat();
 414         // Create the path request
 415         List<PathRequest> pathRequestList = new ArrayList<>();
 416         // Define the instance identifier
 417         // InstanceIdentifier<Network> nwInstanceIdentifier = InstanceIdentifier
 418         // .builder(Network.class, new NetworkKey(new
 419         // NetworkId(NetworkUtils.OVERLAY_NETWORK_ID))).build();
 420
 421         // read the configuration part of the data broker that concerns the
 422         // nodes ID and get all the nodes
 423         // java.util.Optional<Network> networkObject = readOnlyTransaction
 424         // .read(LogicalDatastoreType.CONFIGURATION,
 425         // nwInstanceIdentifier).get().toJavaUtil();
 426         // 1.1 Create explicitRouteObjects
 427         // 1.1.1. create RouteObjectIncludeExclude list
 428         List<RouteObjectIncludeExclude> routeObjectIncludeExcludes = new ArrayList<>();
 429         IpAddress ipAddressCurrent = null;
 430         Long index = (long) 0;
 431         //ReadOnlyTransaction readOnlyTransaction = this.dataBroker.newReadOnlyTransaction();
 432         for (int i = 0; i < atozSize; i++) {
 433             // String idAtoZ = listAtoZ.get(i).getId();
 434             String nodeId = null;
 435             if (listAtoZ.get(i).getResource()
 436                     .getResource() instanceof org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface
 437                     .pathdescription.rev171017.pce.resource.resource.resource.Node) {
 438                 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 439                     .resource.resource.resource.Node node = (org.opendaylight.yang.gen.v1.http.org.transportpce.b.c
 440                             ._interface.pathdescription.rev171017.pce.resource.resource.resource.Node) listAtoZ
 441                         .get(i).getResource().getResource();
 442                 nodeId = node.getNodeId();
 443                 if (nodeId != null) {
 444                     String nodeRef = mapDisgNodeRefNode.get(nodeId);
 445                     IpAddress ipAddress = mapNodeRefIp.get(nodeRef);
 446                     for (Elements element : elements) {
 447                         if (element.getUid().contains(ipAddress.getIpv4Address().getValue().toString())) {
 448                             String type = element.getType().getName();
 449                             if ((ipAddressCurrent == null) || (ipAddressCurrent != ipAddress)) {
 450                                 ipAddressCurrent = ipAddress;
 451                                 // Fill in routeObjectIncludeExcludes
 452                                 RouteObjectIncludeExclude routeObjectIncludeExclude1 = addRouteObjectIncludeExclude(
 453                                         ipAddress, 1, index);
 454                                 routeObjectIncludeExcludes.add(routeObjectIncludeExclude1);
 455                                 index++;
 456                             }
 457                             break;
 458                         }
 459                     }
 460                 } else {
 461                     LOG.warn("node ID is null");
 462                 }
 463             } else if (listAtoZ.get(i).getResource()
 464                     .getResource() instanceof org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface
 465                     .pathdescription.rev171017.pce.resource.resource.resource.TerminationPoint) {
 466                 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 467                         .resource.resource.resource.TerminationPoint tp = (org.opendaylight.yang.gen.v1.http.org
 468                         .transportpce.b.c._interface.pathdescription.rev171017.pce.resource.resource.resource
 469                         .TerminationPoint) listAtoZ.get(i).getResource().getResource();
 470                 // Not used in this version
 471             } else if (listAtoZ.get(i).getResource()
 472                     .getResource() instanceof org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface
 473                     .pathdescription.rev171017.pce.resource.resource.resource.Link) {
 474                 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 475                     .resource.resource.resource.Link link = (org.opendaylight.yang.gen.v1.http.org.transportpce
 476                             .b.c._interface.pathdescription.rev171017.pce.resource.resource.resource.Link) listAtoZ
 477                         .get(i).getResource().getResource();
 478                 String clfi = mapLinkFiber.get(link.getLinkId());
 479                 IpAddress fiberIp = mapFiberIp.get(clfi);
 480                 if (clfi != null) {
 481                     RouteObjectIncludeExclude routeObjectIncludeExclude1 = addRouteObjectIncludeExclude(fiberIp, 1,
 482                             index);
 483                     routeObjectIncludeExcludes.add(routeObjectIncludeExclude1);
 484                     index++;
 485                 }
 486             }
 487         }
 488         // Create ExplicitRouteObjects
 489         ExplicitRouteObjects explicitRouteObjects = new ExplicitRouteObjectsBuilder()
 490                 .setRouteObjectIncludeExclude(routeObjectIncludeExcludes).build();
 491
 492         // 1. Create the path request element 1
 493         // Find parameters
 494         // String serviceName = input.getServiceName();
 495         String sourceNode = input.getServiceAEnd().getNodeId();
 496         String destNode = input.getServiceZEnd().getNodeId();
 497
 498         // 1.2 Create a path constraints
 499         Long rate = atoz.getRate();
 500         // Long wavelengthNumber = atoz.getAToZWavelengthNumber();
 501         // Create EffectiveFreqSlot
 502         List<EffectiveFreqSlot> effectiveFreqSlot = new ArrayList<>();
 503         EffectiveFreqSlot effectiveFreqSlot1 = new EffectiveFreqSlotBuilder().setM(5).setN(8).build();
 504         effectiveFreqSlot.add(effectiveFreqSlot1);
 505         // Create Te-Bandwidth
 506         TeBandwidth teBandwidth = new TeBandwidthBuilder().setPathBandwidth(new BigDecimal(rate))
 507                 .setTechnology("flexi-grid").setTrxType("openroadm-beta1").setTrxMode("W100G")
 508                 .setEffectiveFreqSlot(effectiveFreqSlot).setSpacing(new BigDecimal(50000000000.0)).build();
 509         // .setMaxNbOfChannel(new Long(80)).setOutputPower(new
 510         // BigDecimal(0.0012589254117941673))
 511         PathConstraints pathConstraints = new PathConstraintsBuilder().setTeBandwidth(teBandwidth).build();
 512         // PathRequest pathRequest1 = new
 513         // PathRequestBuilder().setRequestId(new
 514         // Long(0)).setSource(mapNodeRefIp.get(sourceNode))
 515         // .setDestination(mapNodeRefIp.get(destNode)).setSrcTpId(input.getServiceAEnd().getTxDirection()
 516         //      .getPort().getPortName().getBytes())
 517         // .setDstTpId(input.getServiceAEnd().getRxDirection().getPort().getPortName().getBytes())
 518         //      .setPathConstraints(pathConstraints)
 519         // .setExplicitRouteObjects(explicitRouteObjects).build();
 520         PathRequest pathRequest1 = new PathRequestBuilder().setRequestId(requestId)
 521                 .setSource(mapNodeRefIp.get(sourceNode)).setDestination(mapNodeRefIp.get(destNode))
 522                 .setSrcTpId("srcTpId".getBytes()).setDstTpId("dstTpId".getBytes()).setPathConstraints(pathConstraints)
 523                 .setExplicitRouteObjects(explicitRouteObjects).build();
 524         pathRequestList.add(pathRequest1);
 525         //readOnlyTransaction.close();
 526         return pathRequestList;
 527     }
 528
 529     public List<PathRequest> extractPathRequest(PathComputationRequestInput input, ZToADirection ztoa, Long requestId) {
 530         // List of A to Z
 531         List<ZToA> listZToA = ztoa.getZToA();
 532         int ztoaSize = listZToA.size();
 533         // String modulationFormat = ztoa.getModulationFormat();
 534         // Create the path request
 535         List<PathRequest> servicePathRequest = new ArrayList<>();
 536         // Define the instance identifier
 537         InstanceIdentifier<Network> nwInstanceIdentifier = InstanceIdentifier
 538                 .builder(Networks.class)
 539                 .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID))).build();
 540         //ReadOnlyTransaction readOnlyTransaction = this.dataBroker.newReadOnlyTransaction();
 541
 542         // read the configuration part of the data broker that concerns the
 543         // nodes ID and get all the nodes
 544         // java.util.Optional<Network> networkObject = readOnlyTransaction
 545         // .read(LogicalDatastoreType.CONFIGURATION,
 546         // nwInstanceIdentifier).get().toJavaUtil();
 547         // 1.1 Create explicitRouteObjects
 548         // 1.1.1. create RouteObjectIncludeExclude list
 549         List<RouteObjectIncludeExclude> routeObjectIncludeExcludes = new ArrayList<>();
 550         IpAddress ipAddressCurrent = null;
 551         Long index = (long) 0;
 552         for (int i = 0; i < ztoaSize; i++) {
 553             // String idZtoA = listZToA.get(i).getId();
 554             String nodeId = null;
 555             if (listZToA.get(i).getResource()
 556                     .getResource() instanceof org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface
 557                     .pathdescription.rev171017.pce.resource.resource.resource.Node) {
 558                 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 559                     .resource.resource.resource.Node node = (org.opendaylight.yang.gen.v1.http.org.transportpce.b.c
 560                     ._interface.pathdescription.rev171017.pce.resource.resource.resource.Node) listZToA.get(i)
 561                     .getResource().getResource();
 562                 nodeId = node.getNodeId();
 563                 if (nodeId != null) {
 564                     String nodeRef = mapDisgNodeRefNode.get(nodeId);
 565                     IpAddress ipAddress = mapNodeRefIp.get(nodeRef);
 566                     for (Elements element : elements) {
 567                         if (element.getUid().contains(ipAddress.getIpv4Address().getValue().toString())) {
 568                             // String type = element.getType().getName();
 569                             if ((ipAddressCurrent == null) || (ipAddressCurrent != ipAddress)) {
 570                                 ipAddressCurrent = ipAddress;
 571                                 // Fill in routeObjectIncludeExcludes
 572                                 RouteObjectIncludeExclude routeObjectIncludeExclude1 = addRouteObjectIncludeExclude(
 573                                         ipAddress, 1, index);
 574                                 routeObjectIncludeExcludes.add(routeObjectIncludeExclude1);
 575                                 index++;
 576                             }
 577                             break;
 578                         }
 579                     }
 580                 } else {
 581                     LOG.warn("node ID is null");
 582                 }
 583             } else if (listZToA.get(i).getResource()
 584                     .getResource() instanceof org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface
 585                     .pathdescription.rev171017.pce.resource.resource.resource.TerminationPoint) {
 586                 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 587                     .resource.resource.resource.TerminationPoint tp = (org.opendaylight.yang.gen.v1.http.org
 588                     .transportpce.b.c._interface.pathdescription.rev171017.pce.resource.resource.resource
 589                     .TerminationPoint) listZToA.get(i).getResource().getResource();
 590                 // Not used in this version
 591             } else if (listZToA.get(i).getResource()
 592                     .getResource() instanceof org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface
 593                     .pathdescription.rev171017.pce.resource.resource.resource.Link) {
 594                 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce
 595                     .resource.resource.resource.Link link = (org.opendaylight.yang.gen.v1.http.org.transportpce
 596                     .b.c._interface.pathdescription.rev171017.pce.resource.resource.resource.Link) listZToA.get(i)
 597                     .getResource().getResource();
 598                 String clfi = mapLinkFiber.get(link.getLinkId());
 599                 IpAddress fiberIp = mapFiberIp.get(clfi);
 600                 if (clfi != null) {
 601                     RouteObjectIncludeExclude routeObjectIncludeExclude1 = addRouteObjectIncludeExclude(fiberIp, 1,
 602                             index);
 603                     routeObjectIncludeExcludes.add(routeObjectIncludeExclude1);
 604                     index++;
 605                 }
 606             }
 607         }
 608         // Create ExplicitRouteObjects
 609         ExplicitRouteObjects explicitRouteObjects = new ExplicitRouteObjectsBuilder()
 610                 .setRouteObjectIncludeExclude(routeObjectIncludeExcludes).build();
 611
 612         // 1. Create the path request element 1
 613         // Find parameters
 614         // String serviceName = input.getServiceName();
 615         String sourceNode = input.getServiceZEnd().getNodeId();
 616         String destNode = input.getServiceAEnd().getNodeId();
 617
 618         // 1.2 Create a path constraints
 619         Long rate = ztoa.getRate();
 620         // Long wavelengthNumber = ztoa.getZToAWavelengthNumber();
 621         // Create EffectiveFreqSlot
 622         List<EffectiveFreqSlot> effectiveFreqSlot = new ArrayList<>();
 623         EffectiveFreqSlot effectiveFreqSlot1 = new EffectiveFreqSlotBuilder().setM(5).setN(8).build();
 624         effectiveFreqSlot.add(effectiveFreqSlot1);
 625         // Create Te-Bandwidth
 626         TeBandwidth teBandwidth = new TeBandwidthBuilder().setPathBandwidth(new BigDecimal(rate))
 627                 .setTechnology("flexi-grid").setTrxType("openroadm-beta1").setTrxMode("W100G")
 628                 .setEffectiveFreqSlot(effectiveFreqSlot).setSpacing(new BigDecimal(50000000000.0)).build();
 629         // .setMaxNbOfChannel(new Long(80)).setOutputPower(new
 630         // BigDecimal(0.0012589254117941673))
 631         PathConstraints pathConstraints = new PathConstraintsBuilder().setTeBandwidth(teBandwidth).build();
 632         // PathRequest pathRequest1 = new
 633         // PathRequestBuilder().setRequestId(new
 634         // Long(0)).setSource(mapNodeRefIp.get(sourceNode))
 635         // .setDestination(mapNodeRefIp.get(destNode)).setSrcTpId(input.getServiceAEnd().getTxDirection()
 636         //      .getPort().getPortName().getBytes())
 637         // .setDstTpId(input.getServiceAEnd().getRxDirection().getPort().getPortName().getBytes())
 638         //      .setPathConstraints(pathConstraints)
 639         // .setExplicitRouteObjects(explicitRouteObjects).build();
 640         PathRequest pathRequest1 = new PathRequestBuilder().setRequestId(requestId)
 641                 .setSource(mapNodeRefIp.get(sourceNode)).setDestination(mapNodeRefIp.get(destNode))
 642                 .setSrcTpId("srcTpId".getBytes()).setDstTpId("dstTpId".getBytes()).setPathConstraints(pathConstraints)
 643                 .setExplicitRouteObjects(explicitRouteObjects).build();
 644         servicePathRequest.add(pathRequest1);
 645         //readOnlyTransaction.close();
 646         return servicePathRequest;
 647     }
 648
 649     /*
 650      * Create the synchronization
 651      */
 652     public List<Synchronization> extractSynchronization(Long requestId) {
 653         // Create RequestIdNumber
 654         List<Long> requestIdNumber = new ArrayList<>();
 655         requestIdNumber.add(0, new Long(0));
 656         // Create a synchronization
 657         Svec svec = new SvecBuilder().setRelaxable(true).setDisjointness(new TePathDisjointness(true, true, false))
 658                 .setRequestIdNumber(requestIdNumber).build();
 659         List<Synchronization> synchro = new ArrayList<>();
 660         Synchronization synchronization1 = new SynchronizationBuilder().setSynchronizationId(new Long(0)).setSvec(svec)
 661                 .build();
 662         synchro.add(synchronization1);
 663         return (synchro);
 664     }
 665
 666     /*
 667      * Method to add Fiber
 668      */
 669     private Elements addElementsFiber(double latitude, double longitude, String region, String city, String clfi,
 670             double length, double attIn, double lossCoef, double connIn, double connOut, String typeVariety) {
 671         // Create an amplifier after the roadm
 672         Coordinate c1 = new Coordinate(new BigDecimal(latitude));
 673         Coordinate c2 = new Coordinate(new BigDecimal(longitude));
 674         Location location1 = new LocationBuilder().setRegion(region).setCity(city).setLatitude(c1).setLongitude(c2)
 675                 .build();
 676         Metadata metadata1 = new MetadataBuilder().setLocation(location1).build();
 677         Fiber fiber = new FiberBuilder().setLength(new BigDecimal(length)).setLengthUnits(Km.class)
 678                 .setAttIn(new BigDecimal(attIn)).setLossCoef(new BigDecimal(lossCoef)).setConIn(new BigDecimal(connIn))
 679                 .setConOut(new BigDecimal(connOut)).build();
 680         Params params1 = new ParamsBuilder().setFiberroadm(fiber).build();
 681         // TypeElement Fiber = ; //new TypeElement(Fiber);
 682         Elements element1 = new ElementsBuilder().setUid(clfi)
 683                 .setType(org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.Fiber.class)
 684                 .setTypeVariety(typeVariety).setMetadata(metadata1)
 685                 .setElementType(new FiberRoadmBuilder().setParams(params1).build()).build();
 686         return element1;
 687     }
 688
 689     /*
 690      * Method to add Edfa
 691      */
 692     private Elements addElementsEdfa(double latitude, double longitude, String region, String city,
 693             BigDecimal gainTarget, BigDecimal tiltTarget, BigDecimal outVoa, String typeVariety, String uidEdfa) {
 694         // Create an amplifier after the roadm
 695         Coordinate c1 = new Coordinate(new BigDecimal(latitude));
 696         Coordinate c2 = new Coordinate(new BigDecimal(longitude));
 697         Location location1 = new LocationBuilder().setRegion(region).setCity(city).setLatitude(c1).setLongitude(c2)
 698                 .build();
 699         Metadata metadata1 = new MetadataBuilder().setLocation(location1).build();
 700         Operational operational = new OperationalBuilder().setGainTarget(gainTarget).setTiltTarget(tiltTarget)
 701                 .setOutVoa(outVoa).build();
 702         Edfa edfa = new EdfaBuilder()
 703                 // .setTypeVariety(typeVariety)
 704                 .setOperational(operational).build();
 705         Elements element1 = new ElementsBuilder().setUid(uidEdfa)
 706                 // Choose an ip address
 707                 .setType(org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.Edfa.class)
 708                 .setMetadata(metadata1).setElementType(edfa).setTypeVariety(typeVariety).build();
 709         return element1;
 710     }
 711
 712     /*
 713      * Method to add ROADM
 714      */
 715     private Elements addElementsRoadm(double latitude, double longitude, String region, String city,
 716             double targetPchOutDb, String uidRoadm) {
 717
 718         Coordinate c1 = new Coordinate(new BigDecimal(latitude));
 719         Coordinate c2 = new Coordinate(new BigDecimal(longitude));
 720         Location location1 = new LocationBuilder().setRegion(region).setCity(city).setLatitude(c1).setLongitude(c2)
 721                 .build();
 722         Metadata metadata1 = new MetadataBuilder().setLocation(location1).build();
 723         // Create the roadm
 724         Roadm roadm = new RoadmBuilder().setTargetPchOutDb(new BigDecimal(targetPchOutDb)).build();
 725         Params params1 = new ParamsBuilder().setFiberroadm(roadm).build();
 726         Elements element1 = new ElementsBuilder().setUid(uidRoadm)
 727                 .setType(org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.Roadm.class)
 728                 .setMetadata(metadata1).setElementType(new FiberRoadmBuilder().setParams(params1).build()).build();
 729         return element1;
 730     }
 731
 732     /*
 733      * Method to add Transceiver
 734      */
 735     private Elements addElementsTransceiver(double latitude, double longitude, String region, String city,
 736             String uidTrans) {
 737         Coordinate c1 = new Coordinate(new BigDecimal(latitude));
 738         Coordinate c2 = new Coordinate(new BigDecimal(longitude));
 739         Location location1 = new LocationBuilder().setRegion(region).setCity(city).setLatitude(c1).setLongitude(c2)
 740                 .build();
 741         Metadata metadata1 = new MetadataBuilder().setLocation(location1).build();
 742         Transceiver transceiver = new TransceiverBuilder().build();
 743         Elements element1 = new ElementsBuilder().setUid(uidTrans)
 744                 .setType(org.opendaylight.yang.gen.v1.gnpy.gnpy.network.topology.rev181214.Transceiver.class)
 745                 .setMetadata(metadata1).setElementType(transceiver).build();
 746         return element1;
 747     }
 748
 749     /*
 750      * Add routeObjectIncludeExclude
 751      */
 752     private RouteObjectIncludeExclude addRouteObjectIncludeExclude(IpAddress ipAddress, long teTpValue, long index) {
 753         TeNodeId teNodeId = new TeNodeId(ipAddress);
 754         TeTpId teTpId = new TeTpId(teTpValue);
 755         NumUnnumHop numUnnumHop = new org.opendaylight.yang.gen.v1.gnpy.path.rev190502.explicit.route.hop.type.num
 756             .unnum.hop.NumUnnumHopBuilder()
 757             .setNodeId(teNodeId.getIpv4Address().getValue().toString()).setLinkTpId(teTpId.getUint32().toString())
 758             .setHopType(TeHopType.STRICT).build();
 759         Type type1 = new NumUnnumHopBuilder().setNumUnnumHop(numUnnumHop).build();
 760         // Create routeObjectIncludeExclude element 1
 761         RouteObjectIncludeExclude routeObjectIncludeExclude1 = new RouteObjectIncludeExcludeBuilder().setIndex(index)
 762                 .setExplicitRouteUsage(RouteIncludeEro.class).setType(type1).build();
 763         return routeObjectIncludeExclude1;
 764     }
 765
 766     private String fromToNodeForConnection(String id, IpAddress ip) {
 767         String fromToNode = id;
 768         if (ip != null) {
 769             fromToNode = ip.getIpv4Address().getValue().toString();
 770         }
 771         return (fromToNode);
 772     }
 773
 774     private Connections createNewConnection(String srcId, IpAddress srcIp, String destId, IpAddress destIp) {
 775         String fromNode = srcId;
 776         String toNode = destId;
 777         if (srcIp != null) {
 778             fromNode = srcIp.getIpv4Address().getValue().toString();
 779         }
 780         if (destIp != null) {
 781             toNode = destIp.getIpv4Address().getValue().toString();
 782         }
 783         Connections connection1 = new ConnectionsBuilder().setFromNode(fromNode).setToNode(toNode).build();
 784         return (connection1);
 785     }
 786
 787     public List<Elements> getElements() {
 788         return elements;
 789     }
 790
 791     public void setElements(List<Elements> elements) {
 792         this.elements = elements;
 793     }
 794
 795     public List<Connections> getConnections() {
 796         return connections;
 797     }
 798
 799     public void setConnections(List<Connections> connections) {
 800         this.connections = connections;
 801     }
 802
 803     public List<PathRequest> getPathRequest() {
 804         return pathRequest;
 805     }
 806
 807     public void setPathRequest(List<PathRequest> pathRequest) {
 808         this.pathRequest = pathRequest;
 809     }
 810
 811     public List<Synchronization> getSynchronization() {
 812         return synchronization;
 813     }
 814
 815     public void setSynchronization(List<Synchronization> synchronization) {
 816         this.synchronization = synchronization;
 817     }
 818
 819     public List<PathRequest> createEmptyPathRequest(PathComputationRequestInput input, AToZDirection atoz) {
 820         // List of A to Z
 821         // List<AToZ> listAtoZ = atoz.getAToZ();
 822         // int atozSize = listAtoZ.size();
 823
 824         // Create the path request
 825         List<PathRequest> pathRequestList = new ArrayList<>();
 826
 827         // 1. Create the path request element 1
 828         // Find parameters
 829         // String serviceName = input.getServiceName();
 830         String sourceNode = input.getServiceAEnd().getNodeId();
 831         String destNode = input.getServiceZEnd().getNodeId();
 832
 833         // 1.2 Create a path constraints
 834         Long rate = atoz.getRate();
 835
 836         // Create EffectiveFreqSlot
 837         List<EffectiveFreqSlot> effectiveFreqSlot = new ArrayList<>();
 838         EffectiveFreqSlot effectiveFreqSlot1 = new EffectiveFreqSlotBuilder().setM(5).setN(8).build();
 839         effectiveFreqSlot.add(effectiveFreqSlot1);
 840
 841         // Create Te-Bandwidth
 842         TeBandwidth teBandwidth = new TeBandwidthBuilder().setPathBandwidth(new BigDecimal(rate))
 843                 .setTechnology("flexi-grid").setTrxType("openroadm-beta1").setTrxMode("W100G")
 844                 .setEffectiveFreqSlot(effectiveFreqSlot).setSpacing(new BigDecimal(50000000000.0)).build();
 845         PathConstraints pathConstraints = new PathConstraintsBuilder().setTeBandwidth(teBandwidth).build();
 846         PathRequest pathRequest1 = new PathRequestBuilder().setRequestId(new Long(0))
 847                 .setSource(mapNodeRefIp.get(sourceNode)).setDestination(mapNodeRefIp.get(destNode))
 848                 .setSrcTpId("srcTpId".getBytes()).setDstTpId("dstTpId".getBytes()).setPathConstraints(pathConstraints)
 849                 .build();
 850         pathRequestList.add(pathRequest1);
 851         return pathRequestList;
 852     }
 853
 854 }