pcep/base-parser/src/main/java/org/opendaylight/protocol/pcep/parser/message/PCEPRequestMessageParser.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.protocol.pcep.parser.message;
   9
  10 import com.google.common.base.Preconditions;
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.buffer.Unpooled;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import java.util.Optional;
  16 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
  17 import org.opendaylight.protocol.pcep.spi.MessageUtil;
  18 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
  19 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
  20 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Pcreq;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.PcreqBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.Bandwidth;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.classtype.object.ClassType;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.endpoints.object.EndpointsObj;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.Xro;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.gc.object.Gc;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.include.route.object.Iro;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.load.balancing.object.LoadBalancing;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.lsp.attributes.Metrics;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.lsp.attributes.MetricsBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.lspa.object.Lspa;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.metric.object.Metric;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.object.Monitoring;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.Of;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.path.key.object.PathKey;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcc.id.req.object.PccIdReq;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pce.id.object.PceId;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.PcreqMessage;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.PcreqMessageBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.MonitoringRequest;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.MonitoringRequestBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.Requests;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.RequestsBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.Svec;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.SvecBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.monitoring.request.PceIdList;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.monitoring.request.PceIdListBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.PathKeyExpansionBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.SegmentComputation;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.SegmentComputationBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.P2p;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.P2pBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2p.ReportedRoute;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.reported.route.object.Rro;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.rp.object.Rp;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.vendor.information.objects.VendorInformationObject;
  60
  61 /**
  62  * Parser for {@link Pcreq}
  63  */
  64 public class PCEPRequestMessageParser extends AbstractMessageParser {
  65
  66     public static final int TYPE = 3;
  67
  68     public PCEPRequestMessageParser(final ObjectRegistry registry) {
  69         super(registry);
  70     }
  71
  72     @Override
  73     public void serializeMessage(final Message message, final ByteBuf out) {
  74         Preconditions.checkArgument(message instanceof Pcreq, "Wrong instance of Message. Passed instance of %s. Need Pcreq.", message.getClass());
  75         final PcreqMessage msg = ((Pcreq) message).getPcreqMessage();
  76         Preconditions.checkArgument(msg.getRequests() != null && !msg.getRequests().isEmpty(), "Requests cannot be null or empty.");
  77         final ByteBuf buffer = Unpooled.buffer();
  78         if (msg.getMonitoringRequest() != null) {
  79             serializeMonitoringRequest(msg.getMonitoringRequest(), buffer);
  80         }
  81         if (msg.getSvec() != null) {
  82             serializeSvec(msg, buffer);
  83         }
  84         serializeRequest(msg, buffer);
  85         MessageUtil.formatMessage(TYPE, buffer, out);
  86     }
  87
  88     protected void serializeRequest(final PcreqMessage msg, final ByteBuf buffer) {
  89         for (final Requests req : msg.getRequests()) {
  90             serializeObject(req.getRp(), buffer);
  91             serializeVendorInformationObjects(req.getVendorInformationObject(), buffer);
  92             if (req.getPathKeyExpansion() != null) {
  93                 serializeObject(req.getPathKeyExpansion().getPathKey(), buffer);
  94             }
  95             if (req.getSegmentComputation() != null) {
  96                 final SegmentComputation sc = req.getSegmentComputation();
  97                 if (sc.getP2p() != null) {
  98                     serializeP2P(buffer, sc.getP2p());
  99                 }
 100             }
 101         }
 102     }
 103
 104     protected void serializeSvec(final PcreqMessage msg, final ByteBuf buffer) {
 105         for (final Svec s : msg.getSvec()) {
 106             serializeObject(s.getSvec(), buffer);
 107             serializeObject(s.getOf(), buffer);
 108             serializeObject(s.getGc(), buffer);
 109             serializeObject(s.getXro(), buffer);
 110             if (s.getMetric() != null) {
 111                 for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.svec.Metric m : s.getMetric()) {
 112                     serializeObject(m.getMetric(), buffer);
 113                 }
 114             }
 115             serializeVendorInformationObjects(s.getVendorInformationObject(), buffer);
 116         }
 117     }
 118
 119     protected void serializeP2P(final ByteBuf buffer, final P2p p2p) {
 120         serializeObject(p2p.getEndpointsObj(), buffer);
 121         serializeVendorInformationObjects(p2p.getVendorInformationObject(), buffer);
 122         if (p2p.getReportedRoute() != null) {
 123             final ReportedRoute rr = p2p.getReportedRoute();
 124             if (rr != null) {
 125                 serializeObject(rr.getRro(), buffer);
 126                 serializeObject(rr.getReoptimizationBandwidth(), buffer);
 127             }
 128         }
 129         serializeObject(p2p.getLoadBalancing(), buffer);
 130         serializeObject(p2p.getLspa(), buffer);
 131         serializeObject(p2p.getBandwidth(), buffer);
 132         if (p2p.getMetrics() != null) {
 133             for (final Metrics m : p2p.getMetrics()) {
 134                 serializeObject(m.getMetric(), buffer);
 135             }
 136         }
 137         serializeObject(p2p.getIro(), buffer);
 138         serializeObject(p2p.getRro(), buffer);
 139         serializeObject(p2p.getXro(), buffer);
 140         serializeObject(p2p.getOf(), buffer);
 141         serializeObject(p2p.getClassType(), buffer);
 142     }
 143
 144     protected void serializeMonitoringRequest(final MonitoringRequest monReq, final ByteBuf out) {
 145         serializeObject(monReq.getMonitoring(), out);
 146         serializeObject(monReq.getPccIdReq(), out);
 147         if (monReq.getPceIdList() != null) {
 148             for (final PceIdList pceId : monReq.getPceIdList()) {
 149                 serializeObject(pceId.getPceId(), out);
 150             }
 151         }
 152     }
 153
 154     @Override
 155     protected Message validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
 156         Preconditions.checkArgument(objects != null, "Passed list can't be null.");
 157         if (objects.isEmpty()) {
 158             throw new PCEPDeserializerException("Pcrep message cannot be empty.");
 159         }
 160         final PcreqMessageBuilder mBuilder = new PcreqMessageBuilder();
 161         mBuilder.setMonitoringRequest(getMonitoring(objects));
 162         final List<Svec> svecs = getSvecs(objects);
 163         if (!svecs.isEmpty()) {
 164             mBuilder.setSvec(svecs);
 165         }
 166         final List<Requests> requests = getRequests(objects, errors);
 167         if (requests != null) {
 168             mBuilder.setRequests(requests);
 169         } else {
 170             errors.add(createErrorMsg(PCEPErrors.RP_MISSING, Optional.empty()));
 171         }
 172         if (!objects.isEmpty()) {
 173             throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
 174         }
 175         return new PcreqBuilder().setPcreqMessage(mBuilder.build()).build();
 176     }
 177
 178     protected List<Svec> getSvecs(final List<Object> objects) {
 179         final List<Svec> svecList = new ArrayList<>();
 180         while (!objects.isEmpty()) {
 181             final SvecBuilder sBuilder = new SvecBuilder();
 182             final Svec svecComp = getValidSvec(sBuilder, objects);
 183             if (svecComp == null) {
 184                 break;
 185             }
 186             svecList.add(svecComp);
 187         }
 188         return svecList;
 189     }
 190
 191     protected List<Requests> getRequests(final List<Object> objects, final List<Message> errors) {
 192         final List<Requests> requests = new ArrayList<>();
 193         while (!objects.isEmpty()) {
 194             final RequestsBuilder rBuilder = new RequestsBuilder();
 195             Rp rpObj = null;
 196             if (!(objects.get(0) instanceof Rp)) {
 197                 // if RP obj is missing return error only
 198                 errors.add(createErrorMsg(PCEPErrors.RP_MISSING, Optional.empty()));
 199                 return null;
 200             }
 201             rpObj = (Rp) objects.get(0);
 202             objects.remove(0);
 203             if (!rpObj.isProcessingRule()) {
 204                 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.empty()));
 205             } else {
 206                 rBuilder.setRp(rpObj);
 207             }
 208             final List<VendorInformationObject> vendorInfo = addVendorInformationObjects(objects);
 209             if (!vendorInfo.isEmpty()) {
 210                 rBuilder.setVendorInformationObject(vendorInfo);
 211             }
 212             // expansion
 213             if (rpObj.isPathKey() && objects.get(0) instanceof PathKey) {
 214                 rBuilder.setPathKeyExpansion(new PathKeyExpansionBuilder().setPathKey((PathKey) objects.get(0)).build());
 215             }
 216
 217             final P2pBuilder p2pBuilder = new P2pBuilder();
 218
 219             if (!objects.isEmpty() && objects.get(0) instanceof EndpointsObj) {
 220                 final EndpointsObj ep = (EndpointsObj) objects.get(0);
 221                 objects.remove(0);
 222                 if (!ep.isProcessingRule()) {
 223                     errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.of(rpObj)));
 224                 } else {
 225                     p2pBuilder.setEndpointsObj(ep);
 226                 }
 227             } else {
 228                 errors.add(createErrorMsg(PCEPErrors.END_POINTS_MISSING, Optional.of(rpObj)));
 229                 return null;
 230             }
 231             // p2p
 232             if (!rpObj.isP2mp()) {
 233                 final SegmentComputation segm = getSegmentComputation(p2pBuilder, objects, errors, rpObj);
 234                 if (segm != null) {
 235                     rBuilder.setSegmentComputation(segm);
 236                 }
 237             }
 238             requests.add(rBuilder.build());
 239         }
 240         return requests;
 241     }
 242
 243     protected SegmentComputation getSegmentComputation(final P2pBuilder builder, final List<Object> objects, final List<Message> errors,
 244             final Rp rp) {
 245         final List<Metrics> metrics = new ArrayList<>();
 246         final List<VendorInformationObject> viObjects = new ArrayList<>();
 247
 248         State state = State.INIT;
 249         while (!objects.isEmpty() && state != State.END) {
 250             state = insertObject(state, objects, viObjects, builder, metrics, errors, rp);
 251             if (!state.equals(State.END)) {
 252                 objects.remove(0);
 253             }
 254         }
 255         if (!metrics.isEmpty()) {
 256             builder.setMetrics(metrics);
 257         }
 258         if (!viObjects.isEmpty()) {
 259             builder.setVendorInformationObject(viObjects);
 260         }
 261
 262         if (rp.isReoptimization()
 263                 && builder.getBandwidth() != null
 264                 && !builder.getReportedRoute().getReoptimizationBandwidth().getBandwidth().equals(
 265                         new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth(new byte[] { 0 }))
 266                 && builder.getReportedRoute().getRro() == null) {
 267             errors.add(createErrorMsg(PCEPErrors.RRO_MISSING, Optional.of(rp)));
 268             return null;
 269         }
 270         return new SegmentComputationBuilder().setP2p(builder.build()).build();
 271     }
 272
 273     private static State insertObject(final State state, final List<Object> objects,
 274             final List<VendorInformationObject> viObjects, final P2pBuilder builder, final List<Metrics> metrics,
 275             final List<Message> errors, final Rp rp) {
 276         final Object obj = objects.get(0);
 277         switch (state) {
 278         case INIT:
 279             if (obj instanceof Rro) {
 280                 builder.setRro((Rro) obj);
 281                 objects.remove(0);
 282                 final Object nextObj = objects.get(0);
 283                 if (nextObj instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types
 284                         .rev181109.reoptimization.bandwidth.object.ReoptimizationBandwidth) {
 285                     builder.setReoptimizationBandwidth((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns
 286                             .yang.pcep.types.rev181109.reoptimization.bandwidth.object
 287                             .ReoptimizationBandwidth) nextObj);
 288                 }
 289                 return State.REPORTED_IN;
 290             }
 291         case REPORTED_IN:
 292             if (obj instanceof VendorInformationObject) {
 293                 viObjects.add((VendorInformationObject) obj);
 294                 return State.REPORTED_IN;
 295             }
 296         case VENDOR_INFO_LIST:
 297             if (obj instanceof LoadBalancing) {
 298                 builder.setLoadBalancing((LoadBalancing) obj);
 299                 return State.LOAD_BIN;
 300             }
 301         case LOAD_BIN:
 302             if (obj instanceof Lspa) {
 303                 builder.setLspa((Lspa) obj);
 304                 return State.LSPA_IN;
 305             }
 306         case LSPA_IN:
 307             if (obj instanceof Bandwidth) {
 308                 builder.setBandwidth((Bandwidth) obj);
 309                 return State.BANDWIDTH_IN;
 310             }
 311         case BANDWIDTH_IN:
 312             if (obj instanceof Metric) {
 313                 metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
 314                 return State.BANDWIDTH_IN;
 315             }
 316         case METRIC_IN:
 317             if (obj instanceof Iro) {
 318                 builder.setIro((Iro) obj);
 319                 return State.IRO_IN;
 320             }
 321         case IRO_IN:
 322             if (obj instanceof Rro) {
 323                 builder.setRro((Rro) obj);
 324                 return State.RRO_IN;
 325             }
 326         case RRO_IN:
 327             if (obj instanceof Xro) {
 328                 builder.setXro((Xro) obj);
 329                 return State.XRO_IN;
 330             }
 331         case XRO_IN:
 332             if (obj instanceof Of) {
 333                 builder.setOf((Of) obj);
 334                 return State.OF_IN;
 335             }
 336         case OF_IN:
 337             if (obj instanceof ClassType) {
 338                 final ClassType classType = (ClassType) obj;
 339                 if (!classType.isProcessingRule()) {
 340                     errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.of(rp)));
 341                 } else {
 342                     builder.setClassType(classType);
 343                 }
 344                 return State.CT_IN;
 345             }
 346         case CT_IN:
 347         case END:
 348             return State.END;
 349         default:
 350             return state;
 351         }
 352     }
 353
 354     private enum State {
 355         INIT, REPORTED_IN, VENDOR_INFO_LIST, LOAD_BIN, LSPA_IN, BANDWIDTH_IN, METRIC_IN, IRO_IN, RRO_IN, XRO_IN, OF_IN, CT_IN, END
 356     }
 357
 358     private static Svec getValidSvec(final SvecBuilder builder, final List<Object> objects) {
 359         Preconditions.checkArgument(objects != null && !objects.isEmpty(), "Passed list can't be null or empty.");
 360
 361         if (objects.get(0) instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.svec.object.Svec) {
 362             builder.setSvec((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.svec.object.Svec) objects.get(0));
 363             objects.remove(0);
 364         } else {
 365             return null;
 366         }
 367
 368         final List<Metrics> metrics = new ArrayList<>();
 369         final List<VendorInformationObject> viObjects = new ArrayList<>();
 370
 371         Object obj = null;
 372         SvecState state = SvecState.INIT;
 373         while (!objects.isEmpty() && !state.equals(SvecState.END)) {
 374             obj = objects.get(0);
 375             state = insertObject(state, obj, builder, metrics, viObjects);
 376             if (!state.equals(SvecState.END)) {
 377                 objects.remove(0);
 378             }
 379         }
 380         if (!viObjects.isEmpty()) {
 381             builder.setVendorInformationObject(viObjects);
 382         }
 383         return builder.build();
 384     }
 385
 386     private static SvecState insertObject(final SvecState state, final Object obj, final SvecBuilder builder,
 387             final List<Metrics> metrics, final List<VendorInformationObject> viObjects) {
 388         switch (state) {
 389         case INIT:
 390             if (obj instanceof Of) {
 391                 builder.setOf((Of) obj);
 392                 return SvecState.OF_IN;
 393             }
 394         case OF_IN:
 395             if (obj instanceof Gc) {
 396                 builder.setGc((Gc) obj);
 397                 return SvecState.GC_IN;
 398             }
 399         case GC_IN:
 400             if (obj instanceof Xro) {
 401                 builder.setXro((Xro) obj);
 402                 return SvecState.XRO_IN;
 403             }
 404         case XRO_IN:
 405             if (obj instanceof Metric) {
 406                 metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
 407                 return SvecState.XRO_IN;
 408             }
 409         case METRIC_IN:
 410             if (obj instanceof VendorInformationObject) {
 411                 viObjects.add((VendorInformationObject) obj);
 412                 return SvecState.METRIC_IN;
 413             }
 414         case VENDOR_INFO:
 415         case END:
 416             return SvecState.END;
 417         default:
 418             return state;
 419         }
 420     }
 421
 422     private enum SvecState {
 423         INIT, OF_IN, GC_IN, XRO_IN, METRIC_IN, VENDOR_INFO, END
 424     }
 425
 426     protected MonitoringRequest getMonitoring(final List<Object> objects) {
 427         final MonitoringRequestBuilder builder = new MonitoringRequestBuilder();
 428         if (!objects.isEmpty() && objects.get(0) instanceof Monitoring) {
 429             builder.setMonitoring((Monitoring) objects.get(0));
 430             objects.remove(0);
 431         } else {
 432             return null;
 433         }
 434         if (!objects.isEmpty() && objects.get(0) instanceof PccIdReq) {
 435             builder.setPccIdReq((PccIdReq) objects.get(0));
 436             objects.remove(0);
 437         }
 438         final List<PceIdList> pceIdList = new ArrayList<>();
 439         while(!objects.isEmpty() && objects.get(0) instanceof PceId) {
 440             pceIdList.add(new PceIdListBuilder().setPceId((PceId) objects.get(0)).build());
 441             objects.remove(0);
 442         }
 443         if (!pceIdList.isEmpty()) {
 444             builder.setPceIdList(pceIdList);
 445         }
 446         return builder.build();
 447     }
 448 }