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.Optional;
  11 import com.google.common.base.Preconditions;
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.Unpooled;
  14 import java.util.ArrayList;
  15 import java.util.List;
  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.protocol.pcep.spi.VendorInformationObjectRegistry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.Pcreq;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcreqBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.bandwidth.object.Bandwidth;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.classtype.object.ClassType;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.endpoints.object.EndpointsObj;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.exclude.route.object.Xro;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.gc.object.Gc;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.include.route.object.Iro;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.load.balancing.object.LoadBalancing;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.Metrics;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.MetricsBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lspa.object.Lspa;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.metric.object.Metric;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.object.Monitoring;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.of.object.Of;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.path.key.object.PathKey;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcc.id.req.object.PccIdReq;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pce.id.object.PceId;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.PcreqMessage;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.PcreqMessageBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.MonitoringRequest;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.MonitoringRequestBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.Requests;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.RequestsBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.Svec;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.SvecBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.monitoring.request.PceIdList;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.monitoring.request.PceIdListBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.requests.PathKeyExpansionBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.requests.SegmentComputation;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.requests.SegmentComputationBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.requests.segment.computation.P2p;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.requests.segment.computation.P2pBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.requests.segment.computation.p2p.ReportedRoute;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.requests.segment.computation.p2p.ReportedRouteBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.Rro;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.vendor.information.objects.VendorInformationObject;
  62
  63 /**
  64  * Parser for {@link Pcreq}
  65  */
  66 public class PCEPRequestMessageParser extends AbstractMessageParser {
  67
  68     public static final int TYPE = 3;
  69
  70     public PCEPRequestMessageParser(final ObjectRegistry registry, final VendorInformationObjectRegistry viRegistry) {
  71         super(registry, viRegistry);
  72     }
  73
  74     @Override
  75     public void serializeMessage(final Message message, final ByteBuf out) {
  76         Preconditions.checkArgument(message instanceof Pcreq, "Wrong instance of Message. Passed instance of %s. Need Pcreq.", message.getClass());
  77         final PcreqMessage msg = ((Pcreq) message).getPcreqMessage();
  78         Preconditions.checkArgument(msg.getRequests() != null && !msg.getRequests().isEmpty(), "Requests cannot be null or empty.");
  79         final ByteBuf buffer = Unpooled.buffer();
  80         if (msg.getMonitoringRequest() != null) {
  81             serializeMonitoringRequest(msg.getMonitoringRequest(), buffer);
  82         }
  83         if (msg.getSvec() != null) {
  84             serializeSvec(msg, buffer);
  85         }
  86         serializeRequest(msg, buffer);
  87         MessageUtil.formatMessage(TYPE, buffer, out);
  88     }
  89
  90     protected void serializeRequest(final PcreqMessage msg, final ByteBuf buffer) {
  91         for (final Requests req : msg.getRequests()) {
  92             serializeObject(req.getRp(), buffer);
  93             serializeVendorInformationObjects(req.getVendorInformationObject(), buffer);
  94             if (req.getPathKeyExpansion() != null) {
  95                 serializeObject(req.getPathKeyExpansion().getPathKey(), buffer);
  96             }
  97             if (req.getSegmentComputation() != null) {
  98                 final SegmentComputation sc = req.getSegmentComputation();
  99                 if (sc.getP2p() != null) {
 100                     serializeP2P(buffer, sc.getP2p());
 101                 }
 102             }
 103         }
 104     }
 105
 106     protected void serializeSvec(final PcreqMessage msg, final ByteBuf buffer) {
 107         for (final Svec s : msg.getSvec()) {
 108             serializeObject(s.getSvec(), buffer);
 109             serializeObject(s.getOf(), buffer);
 110             serializeObject(s.getGc(), buffer);
 111             serializeObject(s.getXro(), buffer);
 112             if (s.getMetric() != null) {
 113                 for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.svec.Metric m : s.getMetric()) {
 114                     serializeObject(m.getMetric(), buffer);
 115                 }
 116             }
 117             serializeVendorInformationObjects(s.getVendorInformationObject(), buffer);
 118         }
 119     }
 120
 121     protected void serializeP2P(final ByteBuf buffer, final P2p p2p) {
 122         serializeObject(p2p.getEndpointsObj(), buffer);
 123         serializeVendorInformationObjects(p2p.getVendorInformationObject(), buffer);
 124         if (p2p.getReportedRoute() != null) {
 125             final ReportedRoute rr = p2p.getReportedRoute();
 126             if (rr != null) {
 127                 serializeObject(rr.getRro(), buffer);
 128                 serializeObject(rr.getBandwidth(), buffer);
 129             }
 130         }
 131         serializeObject(p2p.getLoadBalancing(), buffer);
 132         serializeObject(p2p.getLspa(), buffer);
 133         serializeObject(p2p.getBandwidth(), buffer);
 134         if (p2p.getMetrics() != null) {
 135             for (final Metrics m : p2p.getMetrics()) {
 136                 serializeObject(m.getMetric(), buffer);
 137             }
 138         }
 139         serializeObject(p2p.getIro(), buffer);
 140         serializeObject(p2p.getRro(), buffer);
 141         serializeObject(p2p.getXro(), buffer);
 142         serializeObject(p2p.getOf(), buffer);
 143         serializeObject(p2p.getClassType(), buffer);
 144     }
 145
 146     protected void serializeMonitoringRequest(final MonitoringRequest monReq, final ByteBuf out) {
 147         serializeObject(monReq.getMonitoring(), out);
 148         serializeObject(monReq.getPccIdReq(), out);
 149         if (monReq.getPceIdList() != null) {
 150             for (final PceIdList pceId : monReq.getPceIdList()) {
 151                 serializeObject(pceId.getPceId(), out);
 152             }
 153         }
 154     }
 155
 156     @Override
 157     protected Message validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
 158         Preconditions.checkArgument(objects != null, "Passed list can't be null.");
 159         if (objects.isEmpty()) {
 160             throw new PCEPDeserializerException("Pcrep message cannot be empty.");
 161         }
 162         final PcreqMessageBuilder mBuilder = new PcreqMessageBuilder();
 163         mBuilder.setMonitoringRequest(getMonitoring(objects));
 164         final List<Svec> svecs = getSvecs(objects, errors);
 165         if (!svecs.isEmpty()) {
 166             mBuilder.setSvec(svecs);
 167         }
 168         final List<Requests> requests = getRequests(objects, errors);
 169         if (requests != null) {
 170             mBuilder.setRequests(requests);
 171         } else {
 172             errors.add(createErrorMsg(PCEPErrors.RP_MISSING, Optional.<Rp>absent()));
 173         }
 174         if (!objects.isEmpty()) {
 175             throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
 176         }
 177         return new PcreqBuilder().setPcreqMessage(mBuilder.build()).build();
 178     }
 179
 180     protected List<Svec> getSvecs(final List<Object> objects, final List<Message> errors) {
 181         final List<Svec> svecList = new ArrayList<>();
 182         while (!objects.isEmpty()) {
 183             final SvecBuilder sBuilder = new SvecBuilder();
 184             final Svec svecComp = getValidSvec(sBuilder, objects);
 185             if (svecComp == null) {
 186                 break;
 187             }
 188             svecList.add(svecComp);
 189         }
 190         return svecList;
 191     }
 192
 193     protected List<Requests> getRequests(final List<Object> objects, final List<Message> errors) {
 194         final List<Requests> requests = new ArrayList<>();
 195         while (!objects.isEmpty()) {
 196             final RequestsBuilder rBuilder = new RequestsBuilder();
 197             Rp rpObj = null;
 198             if (!(objects.get(0) instanceof Rp)) {
 199                 // if RP obj is missing return error only
 200                 errors.add(createErrorMsg(PCEPErrors.RP_MISSING, Optional.<Rp>absent()));
 201                 return null;
 202             }
 203             rpObj = (Rp) objects.get(0);
 204             objects.remove(0);
 205             if (!rpObj.isProcessingRule()) {
 206                 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.<Rp>absent()));
 207             } else {
 208                 rBuilder.setRp(rpObj);
 209             }
 210             final List<VendorInformationObject> vendorInfo = addVendorInformationObjects(objects);
 211             if (!vendorInfo.isEmpty()) {
 212                 rBuilder.setVendorInformationObject(vendorInfo);
 213             }
 214             // expansion
 215             if (rpObj.isPathKey() && objects.get(0) instanceof PathKey) {
 216                 rBuilder.setPathKeyExpansion(new PathKeyExpansionBuilder().setPathKey((PathKey) objects.get(0)).build());
 217             }
 218
 219             final P2pBuilder p2pBuilder = new P2pBuilder();
 220
 221             if (!objects.isEmpty() && objects.get(0) instanceof EndpointsObj) {
 222                 final EndpointsObj ep = (EndpointsObj) objects.get(0);
 223                 objects.remove(0);
 224                 if (!ep.isProcessingRule()) {
 225                     errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.of(rpObj)));
 226                 } else {
 227                     p2pBuilder.setEndpointsObj(ep);
 228                 }
 229             } else {
 230                 errors.add(createErrorMsg(PCEPErrors.END_POINTS_MISSING, Optional.of(rpObj)));
 231                 return null;
 232             }
 233             // p2p
 234             if (!rpObj.isP2mp()) {
 235                 final SegmentComputation segm = getSegmentComputation(p2pBuilder, objects, errors, rpObj);
 236                 if (segm != null) {
 237                     rBuilder.setSegmentComputation(segm);
 238                 }
 239             }
 240             requests.add(rBuilder.build());
 241         }
 242         return requests;
 243     }
 244
 245     protected SegmentComputation getSegmentComputation(final P2pBuilder builder, final List<Object> objects, final List<Message> errors,
 246             final Rp rp) {
 247         final List<Metrics> metrics = new ArrayList<>();
 248         final List<VendorInformationObject> viObjects = new ArrayList<>();
 249
 250         State state = State.INIT;
 251         while (!objects.isEmpty() && state != State.END) {
 252             state = insertObject(state, objects, viObjects, builder, metrics, errors, rp);
 253             if (!state.equals(State.END)) {
 254                 objects.remove(0);
 255             }
 256         }
 257         if (!metrics.isEmpty()) {
 258             builder.setMetrics(metrics);
 259         }
 260         if (!viObjects.isEmpty()) {
 261             builder.setVendorInformationObject(viObjects);
 262         }
 263
 264         if (rp.isReoptimization()
 265                 && builder.getBandwidth() != null
 266                 && !builder.getReportedRoute().getBandwidth().getBandwidth().equals(
 267                         new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth(new byte[] { 0 }))
 268                 && builder.getReportedRoute().getRro() == null) {
 269             errors.add(createErrorMsg(PCEPErrors.RRO_MISSING, Optional.of(rp)));
 270             return null;
 271         }
 272         return new SegmentComputationBuilder().setP2p(builder.build()).build();
 273     }
 274
 275     private State insertObject(final State state, final List<Object> objects, final List<VendorInformationObject> viObjects, final P2pBuilder builder, final List<Metrics> metrics, 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                 final ReportedRouteBuilder rrBuilder = new ReportedRouteBuilder();
 281                 rrBuilder.setRro((Rro) obj);
 282                 objects.remove(0);
 283                 final Object nextObj = objects.get(0);
 284                 if (nextObj instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reoptimization.bandwidth.object.Bandwidth) {
 285                     rrBuilder.setBandwidth((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reoptimization.bandwidth.object.Bandwidth) nextObj);
 286                 }
 287                 return State.REPORTED_IN;
 288             }
 289         case REPORTED_IN:
 290             if (obj instanceof VendorInformationObject) {
 291                 viObjects.add((VendorInformationObject) obj);
 292                 return State.REPORTED_IN;
 293             }
 294         case VENDOR_INFO_LIST:
 295             if (obj instanceof LoadBalancing) {
 296                 builder.setLoadBalancing((LoadBalancing) obj);
 297                 return State.LOAD_BIN;
 298             }
 299         case LOAD_BIN:
 300             if (obj instanceof Lspa) {
 301                 builder.setLspa((Lspa) obj);
 302                 return State.LSPA_IN;
 303             }
 304         case LSPA_IN:
 305             if (obj instanceof Bandwidth) {
 306                 builder.setBandwidth((Bandwidth) obj);
 307                 return State.BANDWIDTH_IN;
 308             }
 309         case BANDWIDTH_IN:
 310             if (obj instanceof Metric) {
 311                 metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
 312                 return State.BANDWIDTH_IN;
 313             }
 314         case METRIC_IN:
 315             if (obj instanceof Iro) {
 316                 builder.setIro((Iro) obj);
 317                 return State.IRO_IN;
 318             }
 319         case IRO_IN:
 320             if (obj instanceof Rro) {
 321                 builder.setRro((Rro) obj);
 322                 return State.RRO_IN;
 323             }
 324         case RRO_IN:
 325             if (obj instanceof Xro) {
 326                 builder.setXro((Xro) obj);
 327                 return State.XRO_IN;
 328             }
 329         case XRO_IN:
 330             if (obj instanceof Of) {
 331                 builder.setOf((Of) obj);
 332                 return State.OF_IN;
 333             }
 334         case OF_IN:
 335             if (obj instanceof ClassType) {
 336                 final ClassType classType = (ClassType) obj;
 337                 if (!classType.isProcessingRule()) {
 338                     errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.of(rp)));
 339                 } else {
 340                     builder.setClassType(classType);
 341                 }
 342                 return State.CT_IN;
 343             }
 344         case CT_IN:
 345         case END:
 346             return State.END;
 347         default:
 348             return state;
 349         }
 350     }
 351
 352     private enum State {
 353         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
 354     }
 355
 356     private Svec getValidSvec(final SvecBuilder builder, final List<Object> objects) {
 357         Preconditions.checkArgument(objects != null && !objects.isEmpty(), "Passed list can't be null or empty.");
 358
 359         if (objects.get(0) instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.svec.object.Svec) {
 360             builder.setSvec((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.svec.object.Svec) objects.get(0));
 361             objects.remove(0);
 362         } else {
 363             return null;
 364         }
 365
 366         final List<Metrics> metrics = new ArrayList<>();
 367         final List<VendorInformationObject> viObjects = new ArrayList<>();
 368
 369         Object obj = null;
 370         SvecState state = SvecState.INIT;
 371         while (!objects.isEmpty() && !state.equals(SvecState.END)) {
 372             obj = objects.get(0);
 373             state = insertObject(state, obj, builder, metrics, viObjects);
 374             if (!state.equals(SvecState.END)) {
 375                 objects.remove(0);
 376             }
 377         }
 378         if (!viObjects.isEmpty()) {
 379             builder.setVendorInformationObject(viObjects);
 380         }
 381         return builder.build();
 382     }
 383
 384     private SvecState insertObject(final SvecState state, final Object obj, final SvecBuilder builder, final List<Metrics> metrics, final List<VendorInformationObject> viObjects) {
 385         switch (state) {
 386         case INIT:
 387             if (obj instanceof Of) {
 388                 builder.setOf((Of) obj);
 389                 return SvecState.OF_IN;
 390             }
 391         case OF_IN:
 392             if (obj instanceof Gc) {
 393                 builder.setGc((Gc) obj);
 394                 return SvecState.GC_IN;
 395             }
 396         case GC_IN:
 397             if (obj instanceof Xro) {
 398                 builder.setXro((Xro) obj);
 399                 return SvecState.XRO_IN;
 400             }
 401         case XRO_IN:
 402             if (obj instanceof Metric) {
 403                 metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
 404                 return SvecState.XRO_IN;
 405             }
 406         case METRIC_IN:
 407             if (obj instanceof VendorInformationObject) {
 408                 viObjects.add((VendorInformationObject) obj);
 409                 return SvecState.METRIC_IN;
 410             }
 411         case VENDOR_INFO:
 412         case END:
 413             return SvecState.END;
 414         default:
 415             return state;
 416         }
 417     }
 418
 419     private enum SvecState {
 420         INIT, OF_IN, GC_IN, XRO_IN, METRIC_IN, VENDOR_INFO, END
 421     }
 422
 423     protected MonitoringRequest getMonitoring(final List<Object> objects) {
 424         final MonitoringRequestBuilder builder = new MonitoringRequestBuilder();
 425         if (!objects.isEmpty() && objects.get(0) instanceof Monitoring) {
 426             builder.setMonitoring((Monitoring) objects.get(0));
 427             objects.remove(0);
 428         } else {
 429             return null;
 430         }
 431         if (!objects.isEmpty() && objects.get(0) instanceof PccIdReq) {
 432             builder.setPccIdReq((PccIdReq) objects.get(0));
 433             objects.remove(0);
 434         }
 435         final List<PceIdList> pceIdList = new ArrayList<>();
 436         while(!objects.isEmpty() && objects.get(0) instanceof PceId) {
 437             pceIdList.add(new PceIdListBuilder().setPceId((PceId) objects.get(0)).build());
 438             objects.remove(0);
 439         }
 440         if (!pceIdList.isEmpty()) {
 441             builder.setPceIdList(pceIdList);
 442         }
 443         return builder.build();
 444     }
 445 }